{"id":4762,"date":"2026-11-06T05:07:10","date_gmt":"2026-11-06T05:07:10","guid":{"rendered":"https:\/\/www.chess.lumn.eu\/wordpress\/?p=4762"},"modified":"2026-11-06T05:07:10","modified_gmt":"2026-11-06T05:07:10","slug":"neo65-turbo-18-mhz-hg440","status":"publish","type":"post","link":"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/11\/06\/neo65-turbo-18-mhz-hg440\/","title":{"rendered":"Neo65 turbo : 18 MHz, avec et sans le module HG440"},"content":{"rendered":"\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display&#038;family=DM+Sans:wght@400;500;700&#038;family=JetBrains+Mono:wght@400;600&#038;display=swap\" rel=\"stylesheet\">\n<style>\n.naum-body{--creme:#f7f4ee;--encre:#2b2b2b;--rouge:#c0392b;--or:#b8863b;--trait:#e3ddd0;--gris:#6b665c;\nmax-width:860px;margin:0 auto;padding:0 0 3rem;background:var(--creme);color:var(--encre);\nfont-family:\"DM 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markerWidth=\"3.2\" markerHeight=\"3.2\" orient=\"auto\"><path d=\"M0,0 L10,5 L0,10 z\" style=\"fill:var(--ink)\"\/><\/marker><marker id=\"ah-pl\" viewBox=\"0 0 10 10\" refX=\"5\" refY=\"5\" markerWidth=\"3.2\" markerHeight=\"3.2\" orient=\"auto\"><path d=\"M0,0 L10,5 L0,10 z\" style=\"fill:var(--played)\"\/><\/marker>\n<\/defs><\/svg>\n<div class=\"hero\">\n<svg class=\"hero-bg\" viewBox=\"0 0 860 320\" preserveAspectRatio=\"xMidYMid slice\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<defs><pattern id=\"r2grid\" width=\"40\" height=\"40\" patternUnits=\"userSpaceOnUse\"><path d=\"M40 0H0v40\" fill=\"none\" stroke=\"#b8863b\" stroke-width=\".5\"\/><\/pattern><\/defs>\n<rect width=\"860\" height=\"320\" fill=\"url(#r2grid)\"\/>\n<circle cx=\"200\" cy=\"160\" r=\"80\" fill=\"none\" stroke=\"#b8863b\" stroke-width=\".8\"\/>\n<circle cx=\"200\" cy=\"160\" r=\"50\" fill=\"none\" stroke=\"#b8863b\" stroke-width=\".5\"\/>\n<line x1=\"280\" y1=\"160\" x2=\"400\" y2=\"160\" stroke=\"#b8863b\" stroke-width=\".5\"\/>\n<circle cx=\"640\" cy=\"100\" r=\"40\" fill=\"none\" stroke=\"#c0392b\" stroke-width=\".6\"\/>\n<line x1=\"680\" y1=\"100\" x2=\"780\" y2=\"100\" stroke=\"#c0392b\" stroke-width=\".4\"\/>\n<\/svg>\n<div class=\"hero-content\">\n<p class=\"eyebrow\">Laboratoire \u00b7 Neo65<\/p>\n<h1 class=\"titre\">Neo65 turbo&nbsp;: 18&nbsp;MHz, avec et sans le module HG440<\/h1>\n<p class=\"sous-titre\">Un programme de 2026 dans un Mephisto modulaire 6502 acc\u00e9l\u00e9r\u00e9, cot\u00e9 contre les machines de son \u00e9poque<\/p>\n<div class=\"hero-machine\">\n<div class=\"hero-svg-wrap\">\n<svg viewBox=\"0 0 220 175\" width=\"220\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Module Mephisto modulaire, dessin stylis\u00e9\">\n<rect x=\"10\" y=\"22\" width=\"200\" height=\"138\" rx=\"5\" fill=\"#2a2420\" stroke=\"#4a4035\" stroke-width=\"1.2\"\/>\n<rect x=\"10\" y=\"22\" width=\"200\" height=\"26\" rx=\"5\" fill=\"#332e28\"\/><rect x=\"10\" y=\"42\" width=\"200\" height=\"6\" fill=\"#332e28\"\/>\n<text x=\"26\" y=\"40\" font-family=\"'DM Serif Display',Georgia,serif\" font-size=\"11\" fill=\"#b8863b\" letter-spacing=\".5\">SHAHMATIC<\/text>\n<text x=\"140\" y=\"40\" font-family=\"'DM Sans',sans-serif\" font-size=\"8.5\" fill=\"#a09882\" letter-spacing=\"1\">NEO65<\/text>\n<rect x=\"26\" y=\"56\" width=\"168\" height=\"34\" rx=\"2\" fill=\"#2a1a12\" stroke=\"#4a3a2a\" stroke-width=\".7\"\/>\n<text x=\"110\" y=\"80\" text-anchor=\"middle\" font-family=\"'JetBrains Mono',monospace\" font-size=\"17\" fill=\"#ff5a3a\" opacity=\".9\" letter-spacing=\"3\">TG8+<\/text>\n<rect x=\"26\" y=\"98\" width=\"78\" height=\"40\" rx=\"2\" fill=\"#221d19\" stroke=\"#4a4035\" stroke-width=\".6\"\/>\n<text x=\"65\" y=\"113\" text-anchor=\"middle\" font-family=\"'JetBrains Mono',monospace\" font-size=\"7\" fill=\"#8a8578\">65C02<\/text>\n<text x=\"65\" y=\"127\" text-anchor=\"middle\" font-family=\"'JetBrains Mono',monospace\" font-size=\"9\" fill=\"#b8863b\">4,9 \u2192 18<\/text>\n<rect x=\"114\" y=\"98\" width=\"80\" height=\"40\" rx=\"2\" fill=\"#221d19\" stroke=\"#b8863b\" stroke-width=\".6\" stroke-dasharray=\"2 2\"\/>\n<text x=\"154\" y=\"113\" text-anchor=\"middle\" font-family=\"'JetBrains Mono',monospace\" font-size=\"7\" fill=\"#8a8578\">MODULE<\/text>\n<text x=\"154\" y=\"127\" text-anchor=\"middle\" font-family=\"'JetBrains Mono',monospace\" font-size=\"9\" fill=\"#b8863b\">HG440<\/text>\n<\/svg>\n<\/div>\n<div class=\"hero-specs\">\n<div class=\"spec\"><div class=\"sv\">1868<\/div><div class=\"sl\">son livre \u00b18<\/div><\/div>\n<div class=\"spec\"><div class=\"sv\">1823<\/div><div class=\"sl\">HG440 \u00b18<\/div><\/div>\n<div class=\"spec\"><div class=\"sv\">+159<\/div><div class=\"sl\">sur 4,9 MHz<\/div><\/div>\n<div class=\"spec\"><div class=\"sv\">1183<\/div><div class=\"sl\">parties<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"article-body\">\n\n<div class=\"badge\">Deux gauntlets termin\u00e9s \u00b7 classement Ordo du 5 novembre 2026<\/div>\n\n<p class=\"chapeau\">Le Shahmatic Neo65 est un programme d&#8217;\u00e9checs \u00e9crit en 2026 pour le mat\u00e9riel d&#8217;un Mephisto modulaire&nbsp;: un 65C02, 8&nbsp;Ko de m\u00e9moire vive, 48&nbsp;Ko de ROM. \u00c0 sa fr\u00e9quence d&#8217;origine, 4,9&nbsp;MHz, il est cot\u00e9 1709. Pouss\u00e9 \u00e0 18&nbsp;MHz dans l&#8217;\u00e9mulateur, il monte \u00e0 <strong>1868 \u00b18<\/strong> avec son propre livre, au niveau du Super Expert C de Novag, au-dessus du MM&nbsp;IV et du MM&nbsp;V. Avec le module d&#8217;ouvertures HG440 du Mephisto, il ne fait que <strong>1823 \u00b18<\/strong>&nbsp;: le livre d&#8217;\u00e9poque lui co\u00fbte 45&nbsp;points. Et une partie \u00e0 retenir&nbsp;: une Dame et deux Tours offertes au MM&nbsp;V d&#8217;Ed Schr\u00f6der.<\/p>\n\n<div class=\"chiffre-cle\">\n<div class=\"cc\"><div class=\"val\">1868<\/div><div class=\"lab\">avec son livre, 586 parties<\/div><\/div>\n<div class=\"cc\"><div class=\"val\">1823<\/div><div class=\"lab\">avec le module HG440, 597 parties<\/div><\/div>\n<div class=\"cc\"><div class=\"val\">+159<\/div><div class=\"lab\">sur Neo65 \u00e0 4,9 MHz (1709)<\/div><\/div>\n<div class=\"cc\"><div class=\"val\">\u221245<\/div><div class=\"lab\">ce que co\u00fbte le HG440<\/div><\/div>\n<\/div>\n\n<h2 class=\"sect\">1. Deux gauntlets, huit adversaires<\/h2>\n<p>Les deux versions ont jou\u00e9 le m\u00eame gauntlet contre huit machines du Mac, du Turbo 16K de Saitek au Super Expert C de Novag, environ 75&nbsp;parties par adversaire. Seule diff\u00e9rence&nbsp;: le livre d&#8217;ouvertures. La premi\u00e8re version joue le livre de Neo65, la seconde le module HG440, enfich\u00e9 comme on le faisait sur un vrai Mephisto modulaire.<\/p>\n<div class=\"tbl-wrap\"><table>\n<thead><tr><th>Adversaire<\/th><th class=\"n\">Elo<\/th><th class=\"n\">Son livre<\/th><th class=\"n\">Perf<\/th><th class=\"n\">HG440<\/th><th class=\"n\">Perf<\/th><th class=\"n\">\u00c9cart<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Novag Super Expert C v3.6<\/td><td class=\"n\">1880<\/td><td class=\"n\">41,5 \/ 76<\/td><td class=\"n\">1912<\/td><td class=\"n\">31,5 \/ 76<\/td><td class=\"n\">1820<\/td><td class=\"n\">-92<\/td><\/tr>\n<tr><td>Mephisto MM IV (v7.10)<\/td><td class=\"n\">1818<\/td><td class=\"n\">36 \/ 70<\/td><td class=\"n\">1828<\/td><td class=\"n\">28 \/ 73<\/td><td class=\"n\">1736<\/td><td class=\"n\">-92<\/td><\/tr>\n<tr><td>Mephisto MM V (v5.1)<\/td><td class=\"n\">1812<\/td><td class=\"n\">43,5 \/ 66<\/td><td class=\"n\">1927<\/td><td class=\"n\">40,5 \/ 73<\/td><td class=\"n\">1850<\/td><td class=\"n\">-77<\/td><\/tr>\n<tr><td>Novag Constellation Forte A<\/td><td class=\"n\">1803<\/td><td class=\"n\">50,5 \/ 76<\/td><td class=\"n\">1922<\/td><td class=\"n\">46 \/ 76<\/td><td class=\"n\">1877<\/td><td class=\"n\">-45<\/td><\/tr>\n<tr><td>Fidelity Par Excellence (B)<\/td><td class=\"n\">1768<\/td><td class=\"n\">29,5 \/ 74<\/td><td class=\"n\">1697<\/td><td class=\"n\">34 \/ 75<\/td><td class=\"n\">1735<\/td><td class=\"n\">+38<\/td><\/tr>\n<tr><td>Saitek Prisma<\/td><td class=\"n\">1724<\/td><td class=\"n\">57 \/ 76<\/td><td class=\"n\">1915<\/td><td class=\"n\">52,5 \/ 76<\/td><td class=\"n\">1864<\/td><td class=\"n\">-51<\/td><\/tr>\n<tr><td>Saitek Simultano (ver. B)<\/td><td class=\"n\">1713<\/td><td class=\"n\">56,5 \/ 73<\/td><td class=\"n\">1927<\/td><td class=\"n\">53,5 \/ 72<\/td><td class=\"n\">1897<\/td><td class=\"n\">-30<\/td><\/tr>\n<tr><td>Saitek Turbo 16K<\/td><td class=\"n\">1437<\/td><td class=\"n\">65,5 \/ 75<\/td><td class=\"n\">1772<\/td><td class=\"n\">67,5 \/ 76<\/td><td class=\"n\">1797<\/td><td class=\"n\">+25<\/td><\/tr>\n<tr class=\"tot\"><td>Total (adversaire moyen)<\/td><td class=\"n\">1744<\/td><td class=\"n\">380 \/ 586<\/td><td class=\"n\">1868<\/td><td class=\"n\">353,5 \/ 597<\/td><td class=\"n\">1823<\/td><td class=\"n\">\u221245<\/td><\/tr>\n<\/tbody><\/table><\/div>\n<p class=\"legende\">Cotes Ordo du 5&nbsp;novembre 2026 (<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/10\/22\/performance-elo\/\">liste maison<\/a>). Perf&nbsp;= cote de l&#8217;adversaire + 400\u00b7log<sub>10<\/sub>(p\/(1\u2212p)). Les cotes de Neo65 (1868 et 1823) sont celles d&#8217;Ordo, qui p\u00e8se toutes les parties de la liste ensemble. Parties acc\u00e9l\u00e9r\u00e9es sur MacBook Pro M1 Max, MAME 0.289.<\/p>\n<p>Avec son livre, Neo65 marque 64,8&nbsp;% (333&nbsp;victoires, 94&nbsp;nulles, 159&nbsp;d\u00e9faites). Avec le HG440, 59,2&nbsp;% (309, 89, 199). Il bat nettement le MM&nbsp;V et le Forte A, fait jeu \u00e9gal avec le MM&nbsp;IV, et prend le dessus sur le Super Expert C. Un seul adversaire lui r\u00e9siste vraiment&nbsp;: le Par Excellence de Fidelity (Dan et Kathe Spracklen), o\u00f9 il ne marque que 40 \u00e0 45&nbsp;%, alors que cette machine est cot\u00e9e 100&nbsp;points plus bas.<\/p>\n\n<h2 class=\"sect\">2. Ce que valent 18&nbsp;MHz<\/h2>\n<p>Le 65C02 du Mephisto modulaire tourne \u00e0 4,9152&nbsp;MHz. \u00c0 18&nbsp;MHz, il va 3,66&nbsp;fois plus vite. L&#8217;id\u00e9e n&#8217;est pas neuve&nbsp;: \u00e0 l&#8217;\u00e9poque, des kits d&#8217;acc\u00e9l\u00e9ration faisaient d\u00e9j\u00e0 tourner ces modules \u00e0 18&nbsp;MHz, et MAME en \u00e9mule un pour le MM&nbsp;IV. Neo65 gagne <strong>159&nbsp;points<\/strong>, soit 85&nbsp;points par doublement de fr\u00e9quence. C&#8217;est plus que le <a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/11\/02\/mephisto-risc-ii-56mhz\/\">Mephisto RISC II \u00e0 56&nbsp;MHz<\/a> (75 par doublement)&nbsp;: un programme qui ne voit que trois ou quatre demi-coups profite de chaque n\u0153ud suppl\u00e9mentaire.<\/p>\n<div class=\"fig\"><svg viewBox=\"0 0 760 310\" role=\"img\" aria-label=\"Neo65 sur l'\u00e9chelle de la liste maison\" style=\"width:100%;height:auto;display:block\"><line x1=\"90.5\" y1=\"8\" x2=\"90.5\" y2=\"298\" stroke=\"#e3ddd0\"\/><text x=\"90.5\" y=\"308\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">1700<\/text><line x1=\"242.9\" y1=\"8\" x2=\"242.9\" y2=\"298\" stroke=\"#e3ddd0\"\/><text x=\"242.9\" y=\"308\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">1750<\/text><line x1=\"395.2\" y1=\"8\" x2=\"395.2\" y2=\"298\" stroke=\"#e3ddd0\"\/><text x=\"395.2\" y=\"308\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">1800<\/text><line x1=\"547.6\" y1=\"8\" x2=\"547.6\" y2=\"298\" stroke=\"#e3ddd0\"\/><text x=\"547.6\" y=\"308\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">1850<\/text><line x1=\"700.0\" y1=\"8\" x2=\"700.0\" y2=\"298\" stroke=\"#e3ddd0\"\/><text x=\"700.0\" y=\"308\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">1900<\/text><line x1=\"60\" y1=\"22\" x2=\"639.0\" y2=\"22\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"639.0\" cy=\"22\" r=\"4\" fill=\"#6b665c\"\/><text x=\"629.0\" y=\"16\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Novag Super Expert C <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1880<\/tspan><\/text><line x1=\"60\" y1=\"48\" x2=\"605.5\" y2=\"48\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"605.5\" cy=\"48\" r=\"4\" fill=\"#6b665c\"\/><text x=\"595.5\" y=\"42\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Cray Blitz, 486DX 33 MHz <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1869<\/tspan><\/text><line x1=\"60\" y1=\"74\" x2=\"602.5\" y2=\"74\" stroke=\"#c0392b\" stroke-width=\"3\" opacity=\"1\"\/><circle cx=\"602.5\" cy=\"74\" r=\"5\" fill=\"#c0392b\"\/><text x=\"592.5\" y=\"68\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\" font-weight=\"700\">Neo65 turbo, son livre <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1868<\/tspan><\/text><line x1=\"60\" y1=\"100\" x2=\"572.0\" y2=\"100\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"572.0\" cy=\"100\" r=\"4\" fill=\"#6b665c\"\/><text x=\"562.0\" y=\"94\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Novag Turquoise <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1858<\/tspan><\/text><line x1=\"60\" y1=\"126\" x2=\"465.3\" y2=\"126\" stroke=\"#c0392b\" stroke-width=\"3\" opacity=\"1\"\/><circle cx=\"465.3\" cy=\"126\" r=\"5\" fill=\"#c0392b\"\/><text x=\"475.3\" y=\"130\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\" font-weight=\"700\">Neo65 turbo, HG440 <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1823<\/tspan><\/text><line x1=\"60\" y1=\"152\" x2=\"450.1\" y2=\"152\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"450.1\" cy=\"152\" r=\"4\" fill=\"#6b665c\"\/><text x=\"460.1\" y=\"156\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Mephisto MM IV <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1818<\/tspan><\/text><line x1=\"60\" y1=\"178\" x2=\"431.8\" y2=\"178\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"431.8\" cy=\"178\" r=\"4\" fill=\"#6b665c\"\/><text x=\"441.8\" y=\"182\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Mephisto MM V <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1812<\/tspan><\/text><line x1=\"60\" y1=\"204\" x2=\"404.4\" y2=\"204\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"404.4\" cy=\"204\" r=\"4\" fill=\"#6b665c\"\/><text x=\"414.4\" y=\"208\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Novag Constellation Forte A <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1803<\/tspan><\/text><line x1=\"60\" y1=\"230\" x2=\"297.7\" y2=\"230\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"297.7\" cy=\"230\" r=\"4\" fill=\"#6b665c\"\/><text x=\"307.7\" y=\"234\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Fidelity Par Excellence <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1768<\/tspan><\/text><line x1=\"60\" y1=\"256\" x2=\"163.6\" y2=\"256\" stroke=\"#6b665c\" stroke-width=\"1.5\" opacity=\"0.45\"\/><circle cx=\"163.6\" cy=\"256\" r=\"4\" fill=\"#6b665c\"\/><text x=\"173.6\" y=\"260\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\">Saitek Prisma <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1724<\/tspan><\/text><line x1=\"60\" y1=\"282\" x2=\"117.9\" y2=\"282\" stroke=\"#c0392b\" stroke-width=\"3\" opacity=\"1\"\/><circle cx=\"117.9\" cy=\"282\" r=\"5\" fill=\"#c0392b\"\/><text x=\"127.9\" y=\"286\" text-anchor=\"start\" font-family=\"DM Sans,sans-serif\" font-size=\"12\" fill=\"#2b2b2b\" font-weight=\"700\">Neo65 \u00e0 4,9 MHz <tspan font-family=\"JetBrains Mono,monospace\" font-size=\"11\">1709<\/tspan><\/text><\/svg><\/div>\n<p class=\"legende\">Cotes Ordo de la liste maison, 5&nbsp;novembre 2026 (\u00b18 \u00e0 \u00b111). En rouge, Neo65.<\/p>\n<p>Avec son livre, Neo65 turbo se place exactement au niveau de Cray Blitz sur un 486DX \u00e0 33&nbsp;MHz (1869), juste sous le Super Expert C (1880). M\u00eame avec le module HG440, il reste devant le MM&nbsp;IV (1818) et le MM&nbsp;V (1812) d&#8217;Ed Schr\u00f6der, les deux programmes qui faisaient la r\u00e9putation de ce mat\u00e9riel.<\/p>\n\n<h2 class=\"sect\">3. Le module HG440 co\u00fbte 45&nbsp;points<\/h2>\n<p>L&#8217;\u00e9cart entre les deux versions, 45&nbsp;points pour deux marges de \u00b18, est bien plus large que l&#8217;incertitude. Les deux versions ont le m\u00eame programme, la m\u00eame fr\u00e9quence et les m\u00eames adversaires&nbsp;: seul le livre change.<\/p>\n<p><strong>Le HG440 joue plus longtemps de m\u00e9moire.<\/strong> Neo65 sort de son propre livre apr\u00e8s 4,9&nbsp;coups en moyenne, et du HG440 apr\u00e8s 7,2&nbsp;coups. Un livre plus long n&#8217;est pas forc\u00e9ment meilleur&nbsp;: il conduit Neo65 dans des positions choisies pour d&#8217;autres programmes.<\/p>\n<p><strong>Il change aussi le r\u00e9pertoire.<\/strong> Avec son livre, Neo65 ouvre 1.e4 dans 63&nbsp;% de ses parties avec les Blancs, et marque 73&nbsp;% avec ce coup. Avec le HG440, 1.e4 tombe \u00e0 43&nbsp;%, au profit de 1.d4 et 1.c4, plus lents et plus ferm\u00e9s. Avec les Noirs, il passe de la d\u00e9fense indienne (1\u2026Cf6, 68&nbsp;parties) \u00e0 1\u2026d5 et 1\u2026e5. Neo65 calcule peu et voit mal les plans \u00e0 long terme&nbsp;: les positions ouvertes, o\u00f9 la tactique d\u00e9cide vite, lui conviennent mieux.<\/p>\n<p><strong>Les pertes se concentrent sur les meilleurs adversaires.<\/strong> Contre le Super Expert C et le MM&nbsp;IV, la performance chute d&#8217;environ 90&nbsp;points. Contre le Par Excellence et le Turbo 16K, le HG440 fait au contraire un peu mieux. Une hypoth\u00e8se&nbsp;: le MM&nbsp;IV et le MM&nbsp;V ont \u00e9t\u00e9 pr\u00e9par\u00e9s avec la m\u00eame th\u00e9orie que ce module, sorti chez le m\u00eame fabricant, et s&#8217;y sentent chez eux.<\/p>\n<div class=\"retenir\"><span class=\"mot\">Ce qu&#8217;il faut retenir<\/span>\n<p>Un livre d&#8217;ouvertures n&#8217;a pas de valeur en soi&nbsp;: il vaut ce que valent, pour le programme qui les joue, les positions o\u00f9 il le d\u00e9pose. Le livre de Neo65, plus court et tourn\u00e9 vers 1.e4, lui rapporte 45&nbsp;points de plus que le module de biblioth\u00e8que d&#8217;\u00e9poque.<\/p>\n<\/div>\n\n<h2 class=\"sect\">4. La partie la plus spectaculaire<\/h2>\n<p class=\"eyebrow\">Gauntlet de Neo65 turbo HG440 \u00b7 novembre 2026 \u00b7 parties acc\u00e9l\u00e9r\u00e9es sur Mac<\/p>\n<div class=\"joueurs\"><span>Shahmatic Neo65 18 MHz HG440<b>1823<\/b><\/span><span>Mephisto MM V (v5.1)<b>1812<\/b><\/span><span>1-0 en 39 coups<\/span><\/div>\n<p>Elle a \u00e9t\u00e9 jou\u00e9e par la version la plus faible, celle du module HG440, contre le Mephisto MM&nbsp;V, le successeur du MM&nbsp;IV dans le m\u00eame bo\u00eetier. Les deux programmes partagent la m\u00eame th\u00e9orie, sortent de leur livre au m\u00eame coup, puis Neo65 donne sa Dame, ses deux Tours, et fait Dame pour mater. Les commentaires citent Stockfish&nbsp;16 (profondeur 20, point de vue de Neo65).<\/p>\n<div class=\"fig\"><svg viewBox=\"0 0 760 230\" role=\"img\" aria-label=\"\u00c9valuation Stockfish du point de vue de Neo65, demi-coup par demi-coup\" style=\"width:100%;height:auto;display:block\"><rect x=\"40\" y=\"12\" width=\"708\" height=\"96.0\" fill=\"rgba(192,57,43,.06)\"\/><line x1=\"40\" y1=\"204.0\" x2=\"748\" y2=\"204.0\" stroke=\"#e3ddd0\" stroke-width=\"1\"\/><text x=\"34\" y=\"208.0\" text-anchor=\"end\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">-10<\/text><line x1=\"40\" y1=\"156.0\" x2=\"748\" y2=\"156.0\" stroke=\"#e3ddd0\" stroke-width=\"1\"\/><text x=\"34\" y=\"160.0\" text-anchor=\"end\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">-5<\/text><line x1=\"40\" y1=\"108.0\" x2=\"748\" y2=\"108.0\" stroke=\"#b9b09c\" stroke-width=\"1\"\/><text x=\"34\" y=\"112.0\" text-anchor=\"end\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">0<\/text><line x1=\"40\" y1=\"60.0\" x2=\"748\" y2=\"60.0\" stroke=\"#e3ddd0\" stroke-width=\"1\"\/><text x=\"34\" y=\"64.0\" text-anchor=\"end\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">+5<\/text><line x1=\"40\" y1=\"12.0\" x2=\"748\" y2=\"12.0\" stroke=\"#e3ddd0\" stroke-width=\"1\"\/><text x=\"34\" y=\"16.0\" text-anchor=\"end\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">+10<\/text><polyline points=\"40.0,104.9 49.3,105.9 58.6,104.9 67.9,105.3 77.3,106.2 86.6,106.5 95.9,106.6 105.2,107.0 114.5,106.5 123.8,107.1 133.2,106.8 142.5,106.5 151.8,106.4 161.1,104.1 170.4,106.9 179.7,106.8 189.1,106.4 198.4,105.7 207.7,105.9 217.0,105.9 226.3,106.7 235.6,106.7 244.9,107.9 254.3,107.3 263.6,108.3 272.9,108.0 282.2,108.2 291.5,105.9 300.8,107.7 310.2,105.9 319.5,108.0 328.8,103.4 338.1,103.1 347.4,98.5 356.7,99.8 366.1,100.6 375.4,101.2 384.7,92.4 394.0,101.2 403.3,98.9 412.6,99.3 421.9,98.4 431.3,108.0 440.6,98.1 449.9,109.7 459.2,109.5 468.5,109.7 477.8,74.3 487.2,108.4 496.5,67.5 505.8,65.5 515.1,66.5 524.4,66.2 533.7,65.4 543.1,65.2 552.4,59.4 561.7,60.0 571.0,58.9 580.3,58.0 589.6,12.0 598.9,12.0 608.3,12.0 617.6,12.0 626.9,12.0 636.2,12.0 645.5,12.0 654.8,12.0 664.2,12.0 673.5,12.0 682.8,12.0 692.1,12.0 701.4,12.0 710.7,12.0 720.1,12.0 729.4,12.0 738.7,12.0 748.0,12.0\" fill=\"none\" stroke=\"#c0392b\" stroke-width=\"2.2\"\/><line x1=\"217.0\" y1=\"12\" x2=\"217.0\" y2=\"204\" stroke=\"#b8863b\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/><text x=\"217.0\" y=\"222\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">10<\/text><line x1=\"403.3\" y1=\"12\" x2=\"403.3\" y2=\"204\" stroke=\"#b8863b\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/><text x=\"403.3\" y=\"222\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">20<\/text><line x1=\"589.6\" y1=\"12\" x2=\"589.6\" y2=\"204\" stroke=\"#b8863b\" stroke-width=\"1\" stroke-dasharray=\"2 4\"\/><text x=\"589.6\" y=\"222\" text-anchor=\"middle\" font-family=\"JetBrains Mono,monospace\" font-size=\"10.5\" fill=\"#6b665c\">30<\/text><circle cx=\"477.8\" cy=\"74.3\" r=\"3.6\" fill=\"#b8863b\"\/><text x=\"470.8\" y=\"96.3\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"11\" fill=\"#2b2b2b\">24\u2026Td8 ?<\/text><circle cx=\"496.5\" cy=\"67.5\" r=\"3.6\" fill=\"#b8863b\"\/><text x=\"489.5\" y=\"57.5\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"11\" fill=\"#2b2b2b\">25\u2026Ce5 ?<\/text><circle cx=\"598.9\" cy=\"12.0\" r=\"3.6\" fill=\"#b8863b\"\/><text x=\"591.9\" y=\"30.0\" text-anchor=\"end\" font-family=\"DM Sans,sans-serif\" font-size=\"11\" fill=\"#2b2b2b\">31.Td8 !!<\/text><\/svg><\/div>\n<p class=\"legende\">\u00c9valuation Stockfish&nbsp;16 du point de vue de Neo65 (Blancs) apr\u00e8s chaque demi-coup, plafonn\u00e9e \u00e0 \u00b110&nbsp;; au-del\u00e0, le mat est forc\u00e9.<\/p>\n\n<h3 class=\"ssect\">La partie comment\u00e9e, coup par coup<\/h3>\n<p class=\"coup\"><span class=\"cps\">1.d4<\/span> Le Shahmatic Neo65 a les Blancs. Il tourne dans un Mephisto modulaire \u00e9mul\u00e9 dont le 65C02 est pouss\u00e9 \u00e0 18\u00a0MHz, et il joue pour la premi\u00e8re fois avec le module d&#8217;ouvertures HG440 enfich\u00e9. En face, le Mephisto MM\u00a0V d&#8217;Ed Schr\u00f6der (1990), \u00e0 sa fr\u00e9quence d&#8217;origine.<\/p>\n<p class=\"coup\"><span class=\"cps\">1\u2026Cf6 2.c4 e6 3.Cc3 Fb4 4.e3 O-O<\/span> D\u00e9fense nimzo-indienne, variante Rubinstein (4.e3). Les deux machines r\u00e9citent leur livre en quelques dixi\u00e8mes de seconde.<\/p>\n<p class=\"coup\"><span class=\"cps\">5.Fd3 d5 6.Cf3 c5 7.O-O Cc6 8.a3 Fxc3 9.bxc3 dxc4 10.Fxc4 Dc7<\/span> La ligne principale de la Rubinstein, telle qu&#8217;on la jouait dans les ann\u00e9es 1980&nbsp;: les Noirs ont pris la paire de Fous blancs contre la structure, et la Dame c7 pr\u00e9pare \u2026e5.<\/p>\n<p class=\"coup\"><span class=\"cps\">11.Fd3 e5<\/span> <b>11\u2026e5.<\/b> Dernier coup de livre des deux c\u00f4t\u00e9s&nbsp;: le module HG440 et la biblioth\u00e8que interne du MM\u00a0V s&#8217;arr\u00eatent au m\u00eame endroit. Stockfish&nbsp;: +0,14, position \u00e9gale.<\/p>\n<p class=\"coup\"><span class=\"cps\">12.dxe5<\/span> <b>12.dxe5.<\/b> Neo65 commence \u00e0 calculer (4,7\u00a0s). Stockfish pr\u00e9f\u00e9rait 12.Dc2, mais l&#8217;\u00e9cart est minime.<\/p>\n<p class=\"coup\"><span class=\"cps\">12\u2026Cxe5 13.Cxe5 Dxe5 14.Dc2 Fg4 15.Tb1 b6 16.h3 Fe6<\/span> <\/p>\n<p class=\"coup\"><span class=\"cps\">17.c4<\/span> <b>17.c4&nbsp;!<\/b> Le pion double c3 devient un pion actif, et la Tour b1 regarde d\u00e9j\u00e0 la colonne b. Stockfish&nbsp;: +0,48.<\/p>\n<p class=\"coup\"><span class=\"cps\">17\u2026Dg5 18.e4 Dh4 19.e5<\/span> <b>19.e5.<\/b> Le pion chasse le Cavalier f6 vers d7 et prend de l&#8217;espace. Les Blancs ont la paire de Fous et l&#8217;initiative.<\/p>\n<p class=\"coup\"><span class=\"cps\">19\u2026Cd7 20.Te1<\/span> <b>20.Te1.<\/b> Stockfish pr\u00e9f\u00e9rait 20.Fe4 (+1,6), mais l&#8217;id\u00e9e est la m\u00eame&nbsp;: tout soutenir le pion e5.<\/p>\n<p class=\"coup\"><span class=\"cps\">20\u2026Tae8 21.Te4<\/span> <b>21.Te4.<\/b> La Tour monte \u00e0 la quatri\u00e8me rang\u00e9e et chasse la Dame noire, qui ne trouve plus de bonne case.<\/p>\n<p class=\"coup\"><span class=\"cps\">21\u2026Dh5 22.Ff4 Ff5<\/span> <b>22\u2026Ff5.<\/b> Le MM\u00a0V propose l&#8217;\u00e9change des Fous de cases blanches pour soulager sa Dame.<\/p>\n<p class=\"coup\"><span class=\"cps\">23.Tee1<\/span> <b>23.Tee1.<\/b> Neo65 refuse de se compliquer la vie en g4 (meilleur selon Stockfish, +1,03) et ram\u00e8ne sa Tour.<\/p>\n<p class=\"coup\"><span class=\"cps\">23\u2026Fxd3 24.Dxd3 Td8<\/span> <b>24\u2026Td8&nbsp;?<\/b> La faute qui ouvre la partie. Il fallait 24\u2026Cb8 (Stockfish \u22120,16)&nbsp;; apr\u00e8s le coup de la partie, Stockfish donne +3,5 aux Blancs, car la Tour d8 laisse la case e6 sans surveillance.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"3r1rk1\/p2n1ppp\/1p6\/2p1P2q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 w - - 1 25\" data-u=\"e8d8\"><\/div><figcaption>Apr\u00e8s 24\u2026Td8&nbsp;? (Blancs au trait)&nbsp;: la case e6 n&#8217;est plus gard\u00e9e.<\/figcaption><\/figure>\n<p class=\"coup\"><span class=\"cps\">25.e6<\/span> <b>25.e6&nbsp;!?<\/b> Le coup le plus spectaculaire, pas le plus fort. Stockfish pr\u00e9f\u00e9rait 25.Tbd1 (+3,5)&nbsp;; apr\u00e8s 25.e6, la seule d\u00e9fense 25\u2026Cf6 tient l&#8217;\u00e9galit\u00e9. Mais le pion e6 menace exf7+ et coupe la d\u00e9fense noire en deux&nbsp;: sur un 65C02 \u00e0 quelques milliers de n\u0153uds par coup, c&#8217;est le genre de coup qui force l&#8217;adversaire \u00e0 trouver la seule parade.<\/p>\n<p class=\"coup\"><span class=\"cps\">25\u2026Ce5<\/span> <b>25\u2026Ce5&nbsp;?<\/b> Le MM\u00a0V ne la trouve pas. Le Cavalier attaque la Dame d3 mais se met dans un clouage dont il ne sortira pas. Stockfish&nbsp;: +4,2.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"3r1rk1\/p4ppp\/1p2P3\/2p1n2q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 w - - 1 26\" data-u=\"d7e5\"><\/div><figcaption>Apr\u00e8s 25.e6 Ce5&nbsp;?&nbsp;: le Cavalier attaque la Dame d3, mais il est clou\u00e9 sur la Dame h5 et le Fou f4 le vise.<\/figcaption><\/figure>\n<p class=\"coup\"><span class=\"cps\">26.Dg3<\/span> <b>26.Dg3&nbsp;!<\/b> La Dame s&#8217;\u00e9carte avec une menace double&nbsp;: Fxe5 suivi de Dxg7 mat, et exf7+. Le Cavalier e5 est attaqu\u00e9 trois fois.<\/p>\n<p class=\"coup\"><span class=\"cps\">26\u2026Td3<\/span> <b>26\u2026Td3.<\/b> Le MM\u00a0V contre-attaque la Dame. C&#8217;est sa meilleure ressource, et elle ne suffit pas.<\/p>\n<p class=\"coup\"><span class=\"cps\">27.Txe5<\/span> <b>27.Txe5&nbsp;!<\/b> Neo65 laisse sa Dame en prise. La Tour prend le Cavalier et attaque la Dame noire en h5.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"5rk1\/p4ppp\/1p2P3\/2p1R2q\/2P2B2\/P2r2QP\/5PP1\/1R4K1 b - - 0 27\" data-u=\"e1e5\"><\/div><figcaption>Apr\u00e8s 27.Txe5&nbsp;!&nbsp;: la Dame g3 est en prise, la Dame noire aussi.<\/figcaption><\/figure>\n<p class=\"coup\"><span class=\"cps\">27\u2026Txg3 28.Txh5<\/span> <b>27\u2026Txg3 28.Txh5.<\/b> Les deux Dames ont disparu, mais le compte n&#8217;est pas nul&nbsp;: les Blancs ont gagn\u00e9 le Cavalier e5 au passage, et leur pion e6 est \u00e0 deux pas de la promotion.<\/p>\n<p class=\"coup\"><span class=\"cps\">28\u2026Txa3 29.e7<\/span> <b>29.e7&nbsp;!<\/b> Le pion avance avec menace d&#8217;exf8=D+.<\/p>\n<p class=\"coup\"><span class=\"cps\">29\u2026Te8 30.Td1<\/span> <b>30.Td1.<\/b> La deuxi\u00e8me Tour vient appuyer la promotion par la colonne d.<\/p>\n<p class=\"coup\"><span class=\"cps\">30\u2026g6<\/span> <b>30\u2026g6.<\/b> Le MM\u00a0V attaque la Tour h5, qu&#8217;il croit pouvoir prendre au coup suivant.<\/p>\n<p class=\"coup\"><span class=\"cps\">31.Td8<\/span> <b>31.Td8&nbsp;!!<\/b> Neo65 abandonne la Tour h5 et en offre une deuxi\u00e8me. Si 31\u2026Txd8, exd8=D et les Blancs restent avec une Dame. Stockfish&nbsp;: +11,7.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"3Rr1k1\/p3Pp1p\/1p4p1\/2p4R\/2P2B2\/r6P\/5PP1\/6K1 b - - 1 31\" data-u=\"d1d8\"><\/div><figcaption>Apr\u00e8s 31.Td8&nbsp;!!&nbsp;: la Tour h5 est offerte, et la Tour d8 cloue la Tour e8 sur le pion \u00e0 promouvoir.<\/figcaption><\/figure>\n<p class=\"coup\"><span class=\"cps\">31\u2026gxh5<\/span> <b>31\u2026gxh5.<\/b> Le MM\u00a0V prend la Tour. Il a maintenant une Tour d&#8217;avance, mais la promotion ne peut plus \u00eatre emp\u00each\u00e9e.<\/p>\n<p class=\"coup\"><span class=\"cps\">32.Txe8+<\/span> <b>32.Txe8+.<\/b> La Tour prend la Tour de blocage avec \u00e9chec. Stockfish annonce un mat en 9.<\/p>\n<p class=\"coup\"><span class=\"cps\">32\u2026Rg7 33.Fe5+<\/span> <b>33.Fe5+.<\/b> Le Fou entre dans l&#8217;attaque avec \u00e9chec. 33.Tg8+ matait un peu plus vite, mais tout gagne.<\/p>\n<p class=\"coup\"><span class=\"cps\">33\u2026f6 34.Tg8+<\/span> <b>34.Tg8+&nbsp;!!<\/b> Le dernier sacrifice&nbsp;: la Tour se donne pour d\u00e9vier le Roi de la case de promotion.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"6R1\/p3P1kp\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 b - - 1 34\" data-u=\"e8g8\"><\/div><figcaption>Apr\u00e8s 34.Tg8+&nbsp;!!&nbsp;: la Tour se donne pour lib\u00e9rer la case de promotion.<\/figcaption><\/figure>\n<p class=\"coup\"><span class=\"cps\">34\u2026Rxg8<\/span> <b>34\u2026Rxg8.<\/b> Forc\u00e9.<\/p>\n<p class=\"coup\"><span class=\"cps\">35.e8=D+<\/span> <b>35.e8=D+.<\/b> Le pion e, parti de e5 au 19<sup>e<\/sup> coup, devient Dame avec \u00e9chec.<\/p>\n<p class=\"coup\"><span class=\"cps\">35\u2026Rg7 36.De7+ Rg8 37.Fxf6<\/span> <b>37.Fxf6.<\/b> Le Fou prend le dernier pion de la protection. La menace Dg7 mat ne peut plus \u00eatre par\u00e9e.<\/p>\n<p class=\"coup\"><span class=\"cps\">37\u2026Ta1+ 38.Fxa1<\/span> <b>37\u2026Ta1+ 38.Fxa1.<\/b> Un \u00e9chec de d\u00e9sespoir.<\/p>\n<p class=\"coup\"><span class=\"cps\">38\u2026a5 39.Dg7#<\/span> <b>39.Dg7#.<\/b> Mat. Neo65 a donn\u00e9 sa Dame, deux Tours et a promu&nbsp;: le Mephisto MM\u00a0V finit avec une Tour de plus et un Roi pris dans le filet de la Dame et du Fou a1.<\/p>\n<figure class=\"diag\"><div class=\"r2d\" data-f=\"6k1\/6Qp\/1p6\/p1p4p\/2P5\/7P\/5PP1\/B5K1 b - - 1 39\" data-u=\"e7g7\"><\/div><figcaption>Position finale&nbsp;: 39.Dg7#.<\/figcaption><\/figure>\n\n<h3 class=\"ssect\">Rejouer la partie<\/h3>\n<div class=\"rejeu\" id=\"r2-rejeu\">\n<div>\n<div id=\"r2-board\"><\/div>\n<div class=\"rj-ctrl\">\n<button type=\"button\" id=\"r2-deb\" aria-label=\"D\u00e9but\">\u23ee<\/button>\n<button type=\"button\" id=\"r2-prec\" aria-label=\"Coup pr\u00e9c\u00e9dent\">\u25c0<\/button>\n<button type=\"button\" id=\"r2-suiv\" aria-label=\"Coup suivant\">\u25b6<\/button>\n<button type=\"button\" id=\"r2-fin\" aria-label=\"Fin\">\u23ed<\/button>\n<span class=\"rj-pos\" id=\"r2-pos\"><\/span>\n<\/div>\n<\/div>\n<div>\n<div class=\"rj-com\" id=\"r2-com\" aria-live=\"polite\"><\/div>\n<div class=\"rj-liste\" id=\"r2-liste\"><\/div>\n<\/div>\n<\/div>\n<p class=\"legende\">Cliquez un coup, ou utilisez les fl\u00e8ches \u2190 \u2192 du clavier une fois l&#8217;\u00e9chiquier survol\u00e9. Les coups en gras sont comment\u00e9s. Sous chaque commentaire&nbsp;: le temps de r\u00e9flexion de la machine qui vient de jouer, et l&#8217;\u00e9valuation de Stockfish du point de vue de Neo65.<\/p>\n\n<h2 class=\"sect\">5. Deux autres parties<\/h2>\n<h3 class=\"ssect\">Une marche du Roi contre le MM&nbsp;IV<\/h3>\n<p>Avec son livre, Neo65 joue la variante empoisonn\u00e9e de la fran\u00e7aise contre le MM&nbsp;IV (1.e4 e6 2.d4 d5 3.Cc3 Fb4 4.e5 c5 5.a3 Fxc3+ 6.bxc3 Ce7 7.Dg4). Il prend les pions g7 et h7, perd le fil, et son Roi part de c1 sous une pluie d&#8217;\u00e9checs&nbsp;: a3, b3, c3, c4, c5, d5, e6, f5, et retour en e6 une dizaine de fois. Stockfish annonce un mat en 17 pour les Noirs. Le MM&nbsp;IV ne le trouve pas&nbsp;: 36\u2026Dc8+&nbsp;?? permet 37.Rxe5, le Roi blanc s&#8217;abrite derri\u00e8re les Noirs, et Neo65 mate au 43<sup>e<\/sup> coup.<\/p>\n<h3 class=\"ssect\">Une promotion en Cavalier contre le MM&nbsp;V<\/h3>\n<p>Avec le HG440 et les Noirs, dans une Caro-Kann, Neo65 pousse un pion jusqu&#8217;en b1 et le promeut en Cavalier&nbsp;: 34\u2026b1=C+. La promotion donne \u00e9chec au Roi d2, la Tour e1 doit la prendre, et la Dame noire mate en trois coups (35.Txb1 Dxf2+ 36.Rd3 De3+ 37.Rc4 Dc3#).<\/p>\n\n<h2 class=\"sect\">6. M\u00e9thodologie<\/h2>\n<ul class=\"sources\">\n<li>Neo65&nbsp;: ROM 65C02 de 48&nbsp;Ko pour le pilote MAME <code>mm4rebel<\/code> (Mephisto modulaire, 8&nbsp;Ko de m\u00e9moire vive), inject\u00e9e par le greffon chessengine de CB-Emu. Version turbo&nbsp;: m\u00eame ROM, 65C02 \u00e0 18&nbsp;MHz.<\/li>\n<li>Version HG440&nbsp;: le livre de Neo65 est d\u00e9sactiv\u00e9 et remplac\u00e9 par le module d&#8217;ouvertures HG440 du Mephisto modulaire.<\/li>\n<li>Tournoi&nbsp;: MacBook Pro M1 Max, MAME 0.289, arbitre python-chess, toutes les machines acc\u00e9l\u00e9r\u00e9es. 1183&nbsp;parties jou\u00e9es les 4 et 5&nbsp;novembre 2026.<\/li>\n<li>Cotes&nbsp;: Ordo, liste maison du 5&nbsp;novembre 2026. Neo65 \u00e0 4,9&nbsp;MHz&nbsp;: 1709 \u00b18 sur 630&nbsp;parties.<\/li>\n<li>Analyses de contr\u00f4le&nbsp;: Stockfish&nbsp;16, profondeur 20.<\/li>\n<\/ul>\n<p class=\"sig\">chess.lumn.eu \u00b7 laboratoire \u00b7 novembre 2026<\/p>\n<\/div>\n<script>\n(function(){\nvar R = [{\"f\": \"rnbqkbnr\/pppppppp\/8\/8\/3P4\/8\/PPP1PPPP\/RNBQKBNR b KQkq - 0 1\", \"s\": \"d4\", \"u\": \"d2d4\", \"w\": true, \"n\": 1, \"c\": \"Le Shahmatic Neo65 a les Blancs. Il tourne dans un Mephisto modulaire \u00e9mul\u00e9 dont le 65C02 est pouss\u00e9 \u00e0 18\u00a0MHz, et il joue pour la premi\u00e8re fois avec le module d'ouvertures HG440 enfich\u00e9. En face, le Mephisto MM\u00a0V d'Ed Schr\u00f6der (1990), \u00e0 sa fr\u00e9quence d'origine.\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,32\"}, {\"f\": \"rnbqkb1r\/pppppppp\/5n2\/8\/3P4\/8\/PPP1PPPP\/RNBQKBNR w KQkq - 1 2\", \"s\": \"Cf6\", \"u\": \"g8f6\", \"w\": false, \"n\": 1, \"c\": \"\", \"m\": \"livre (0,4 s)\", \"sf\": \"+0,22\"}, {\"f\": \"rnbqkb1r\/pppppppp\/5n2\/8\/2PP4\/8\/PP2PPPP\/RNBQKBNR b KQkq - 0 2\", \"s\": \"c4\", \"u\": \"c2c4\", \"w\": true, \"n\": 2, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,32\"}, {\"f\": \"rnbqkb1r\/pppp1ppp\/4pn2\/8\/2PP4\/8\/PP2PPPP\/RNBQKBNR w KQkq - 0 3\", \"s\": \"e6\", \"u\": \"e7e6\", \"w\": false, \"n\": 2, \"c\": \"\", \"m\": \"livre (0,2 s)\", \"sf\": \"+0,28\"}, {\"f\": \"rnbqkb1r\/pppp1ppp\/4pn2\/8\/2PP4\/2N5\/PP2PPPP\/R1BQKBNR b KQkq - 1 3\", \"s\": \"Cc3\", \"u\": \"b1c3\", \"w\": true, \"n\": 3, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,19\"}, {\"f\": \"rnbqk2r\/pppp1ppp\/4pn2\/8\/1bPP4\/2N5\/PP2PPPP\/R1BQKBNR w KQkq - 2 4\", \"s\": \"Fb4\", \"u\": \"f8b4\", \"w\": false, \"n\": 3, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,16\"}, {\"f\": \"rnbqk2r\/pppp1ppp\/4pn2\/8\/1bPP4\/2N1P3\/PP3PPP\/R1BQKBNR b KQkq - 0 4\", \"s\": \"e3\", \"u\": \"e2e3\", \"w\": true, \"n\": 4, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,15\"}, {\"f\": \"rnbq1rk1\/pppp1ppp\/4pn2\/8\/1bPP4\/2N1P3\/PP3PPP\/R1BQKBNR w KQ - 1 5\", \"s\": \"O-O\", \"u\": \"e8g8\", \"w\": false, \"n\": 4, \"c\": \"D\u00e9fense nimzo-indienne, variante Rubinstein (4.e3). Les deux machines r\u00e9citent leur livre en quelques dixi\u00e8mes de seconde.\", \"m\": \"livre (0,2 s)\", \"sf\": \"+0,10\"}, {\"f\": \"rnbq1rk1\/pppp1ppp\/4pn2\/8\/1bPP4\/2NBP3\/PP3PPP\/R1BQK1NR b KQ - 2 5\", \"s\": \"Fd3\", \"u\": \"f1d3\", \"w\": true, \"n\": 5, \"c\": \"\", \"m\": \"livre (0,5 s)\", \"sf\": \"+0,16\"}, {\"f\": \"rnbq1rk1\/ppp2ppp\/4pn2\/3p4\/1bPP4\/2NBP3\/PP3PPP\/R1BQK1NR w KQ - 0 6\", \"s\": \"d5\", \"u\": \"d7d5\", \"w\": false, \"n\": 5, \"c\": \"\", \"m\": \"livre (0,4 s)\", \"sf\": \"+0,09\"}, {\"f\": \"rnbq1rk1\/ppp2ppp\/4pn2\/3p4\/1bPP4\/2NBPN2\/PP3PPP\/R1BQK2R b KQ - 1 6\", \"s\": \"Cf3\", \"u\": \"g1f3\", \"w\": true, \"n\": 6, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,12\"}, {\"f\": \"rnbq1rk1\/pp3ppp\/4pn2\/2pp4\/1bPP4\/2NBPN2\/PP3PPP\/R1BQK2R w KQ - 0 7\", \"s\": \"c5\", \"u\": \"c7c5\", \"w\": false, \"n\": 6, \"c\": \"\", \"m\": \"livre (0,2 s)\", \"sf\": \"+0,16\"}, {\"f\": \"rnbq1rk1\/pp3ppp\/4pn2\/2pp4\/1bPP4\/2NBPN2\/PP3PPP\/R1BQ1RK1 b - - 1 7\", \"s\": \"O-O\", \"u\": \"e1g1\", \"w\": true, \"n\": 7, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,17\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2pp4\/1bPP4\/2NBPN2\/PP3PPP\/R1BQ1RK1 w - - 2 8\", \"s\": \"Cc6\", \"u\": \"b8c6\", \"w\": false, \"n\": 7, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,41\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2pp4\/1bPP4\/P1NBPN2\/1P3PPP\/R1BQ1RK1 b - - 0 8\", \"s\": \"a3\", \"u\": \"a2a3\", \"w\": true, \"n\": 8, \"c\": \"\", \"m\": \"livre (0,5 s)\", \"sf\": \"+0,11\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2pp4\/2PP4\/P1bBPN2\/1P3PPP\/R1BQ1RK1 w - - 0 9\", \"s\": \"Fxc3\", \"u\": \"b4c3\", \"w\": false, \"n\": 8, \"c\": \"\", \"m\": \"livre (0,2 s)\", \"sf\": \"+0,13\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2pp4\/2PP4\/P1PBPN2\/5PPP\/R1BQ1RK1 b - - 0 9\", \"s\": \"bxc3\", \"u\": \"b2c3\", \"w\": true, \"n\": 9, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,17\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2p5\/2pP4\/P1PBPN2\/5PPP\/R1BQ1RK1 w - - 0 10\", \"s\": \"dxc4\", \"u\": \"d5c4\", \"w\": false, \"n\": 9, \"c\": \"\", \"m\": \"livre (0,4 s)\", \"sf\": \"+0,24\"}, {\"f\": \"r1bq1rk1\/pp3ppp\/2n1pn2\/2p5\/2BP4\/P1P1PN2\/5PPP\/R1BQ1RK1 b - - 0 10\", \"s\": \"Fxc4\", \"u\": \"d3c4\", \"w\": true, \"n\": 10, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,22\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/2n1pn2\/2p5\/2BP4\/P1P1PN2\/5PPP\/R1BQ1RK1 w - - 1 11\", \"s\": \"Dc7\", \"u\": \"d8c7\", \"w\": false, \"n\": 10, \"c\": \"La ligne principale de la Rubinstein, telle qu'on la jouait dans les ann\u00e9es 1980&nbsp;: les Noirs ont pris la paire de Fous blancs contre la structure, et la Dame c7 pr\u00e9pare \u2026e5.\", \"m\": \"livre (0,4 s)\", \"sf\": \"+0,22\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/2n1pn2\/2p5\/3P4\/P1PBPN2\/5PPP\/R1BQ1RK1 b - - 2 11\", \"s\": \"Fd3\", \"u\": \"c4d3\", \"w\": true, \"n\": 11, \"c\": \"\", \"m\": \"livre (0,3 s)\", \"sf\": \"+0,14\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/2n2n2\/2p1p3\/3P4\/P1PBPN2\/5PPP\/R1BQ1RK1 w - - 0 12\", \"s\": \"e5\", \"u\": \"e6e5\", \"w\": false, \"n\": 11, \"c\": \"<b>11\u2026e5.<\/b> Dernier coup de livre des deux c\u00f4t\u00e9s&nbsp;: le module HG440 et la biblioth\u00e8que interne du MM\u00a0V s'arr\u00eatent au m\u00eame endroit. Stockfish&nbsp;: +0,14, position \u00e9gale.\", \"m\": \"livre (0,2 s)\", \"sf\": \"+0,14\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/2n2n2\/2p1P3\/8\/P1PBPN2\/5PPP\/R1BQ1RK1 b - - 0 12\", \"s\": \"dxe5\", \"u\": \"d4e5\", \"w\": true, \"n\": 12, \"c\": \"<b>12.dxe5.<\/b> Neo65 commence \u00e0 calculer (4,7\u00a0s). Stockfish pr\u00e9f\u00e9rait 12.Dc2, mais l'\u00e9cart est minime.\", \"m\": \"4,7 s de r\u00e9flexion\", \"sf\": \"+0,01\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/5n2\/2p1n3\/8\/P1PBPN2\/5PPP\/R1BQ1RK1 w - - 0 13\", \"s\": \"Cxe5\", \"u\": \"c6e5\", \"w\": false, \"n\": 12, \"c\": \"\", \"m\": \"4,8 s de r\u00e9flexion\", \"sf\": \"+0,07\"}, {\"f\": \"r1b2rk1\/ppq2ppp\/5n2\/2p1N3\/8\/P1PBP3\/5PPP\/R1BQ1RK1 b - - 0 13\", \"s\": \"Cxe5\", \"u\": \"f3e5\", \"w\": true, \"n\": 13, \"c\": \"\", \"m\": \"4,0 s de r\u00e9flexion\", \"sf\": \"\u22120,03\"}, {\"f\": \"r1b2rk1\/pp3ppp\/5n2\/2p1q3\/8\/P1PBP3\/5PPP\/R1BQ1RK1 w - - 0 14\", \"s\": \"Dxe5\", \"u\": \"c7e5\", \"w\": false, \"n\": 13, \"c\": \"\", \"m\": \"4,1 s de r\u00e9flexion\", \"sf\": \"0,00\"}, {\"f\": \"r1b2rk1\/pp3ppp\/5n2\/2p1q3\/8\/P1PBP3\/2Q2PPP\/R1B2RK1 b - - 1 14\", \"s\": \"Dc2\", \"u\": \"d1c2\", \"w\": true, \"n\": 14, \"c\": \"\", \"m\": \"3,5 s de r\u00e9flexion\", \"sf\": \"\u22120,02\"}, {\"f\": \"r4rk1\/pp3ppp\/5n2\/2p1q3\/6b1\/P1PBP3\/2Q2PPP\/R1B2RK1 w - - 2 15\", \"s\": \"Fg4\", \"u\": \"c8g4\", \"w\": false, \"n\": 14, \"c\": \"\", \"m\": \"3,6 s de r\u00e9flexion\", \"sf\": \"+0,22\"}, {\"f\": \"r4rk1\/pp3ppp\/5n2\/2p1q3\/6b1\/P1PBP3\/2Q2PPP\/1RB2RK1 b - - 3 15\", \"s\": \"Tb1\", \"u\": \"a1b1\", \"w\": true, \"n\": 15, \"c\": \"\", \"m\": \"3,2 s de r\u00e9flexion\", \"sf\": \"+0,03\"}, {\"f\": \"r4rk1\/p4ppp\/1p3n2\/2p1q3\/6b1\/P1PBP3\/2Q2PPP\/1RB2RK1 w - - 0 16\", \"s\": \"b6\", \"u\": \"b7b6\", \"w\": false, \"n\": 15, \"c\": \"\", \"m\": \"3,1 s de r\u00e9flexion\", \"sf\": \"+0,22\"}, {\"f\": \"r4rk1\/p4ppp\/1p3n2\/2p1q3\/6b1\/P1PBP2P\/2Q2PP1\/1RB2RK1 b - - 0 16\", \"s\": \"h3\", \"u\": \"h2h3\", \"w\": true, \"n\": 16, \"c\": \"\", \"m\": \"2,7 s de r\u00e9flexion\", \"sf\": \"0,00\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p1q3\/8\/P1PBP2P\/2Q2PP1\/1RB2RK1 w - - 1 17\", \"s\": \"Fe6\", \"u\": \"g4e6\", \"w\": false, \"n\": 16, \"c\": \"\", \"m\": \"2,8 s de r\u00e9flexion\", \"sf\": \"+0,48\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p1q3\/2P5\/P2BP2P\/2Q2PP1\/1RB2RK1 b - - 0 17\", \"s\": \"c4\", \"u\": \"c3c4\", \"w\": true, \"n\": 17, \"c\": \"<b>17.c4&nbsp;!<\/b> Le pion double c3 devient un pion actif, et la Tour b1 regarde d\u00e9j\u00e0 la colonne b. Stockfish&nbsp;: +0,48.\", \"m\": \"2,5 s de r\u00e9flexion\", \"sf\": \"+0,51\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p3q1\/2P5\/P2BP2P\/2Q2PP1\/1RB2RK1 w - - 1 18\", \"s\": \"Dg5\", \"u\": \"e5g5\", \"w\": false, \"n\": 17, \"c\": \"\", \"m\": \"2,6 s de r\u00e9flexion\", \"sf\": \"+0,99\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p3q1\/2P1P3\/P2B3P\/2Q2PP1\/1RB2RK1 b - - 0 18\", \"s\": \"e4\", \"u\": \"e3e4\", \"w\": true, \"n\": 18, \"c\": \"\", \"m\": \"2,4 s de r\u00e9flexion\", \"sf\": \"+0,85\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p5\/2P1P2q\/P2B3P\/2Q2PP1\/1RB2RK1 w - - 1 19\", \"s\": \"Dh4\", \"u\": \"g5h4\", \"w\": false, \"n\": 18, \"c\": \"\", \"m\": \"2,4 s de r\u00e9flexion\", \"sf\": \"+0,77\"}, {\"f\": \"r4rk1\/p4ppp\/1p2bn2\/2p1P3\/2P4q\/P2B3P\/2Q2PP1\/1RB2RK1 b - - 0 19\", \"s\": \"e5\", \"u\": \"e4e5\", \"w\": true, \"n\": 19, \"c\": \"<b>19.e5.<\/b> Le pion chasse le Cavalier f6 vers d7 et prend de l'espace. Les Blancs ont la paire de Fous et l'initiative.\", \"m\": \"2,2 s de r\u00e9flexion\", \"sf\": \"+0,71\"}, {\"f\": \"r4rk1\/p2n1ppp\/1p2b3\/2p1P3\/2P4q\/P2B3P\/2Q2PP1\/1RB2RK1 w - - 1 20\", \"s\": \"Cd7\", \"u\": \"f6d7\", \"w\": false, \"n\": 19, \"c\": \"\", \"m\": \"2,3 s de r\u00e9flexion\", \"sf\": \"+1,63\"}, {\"f\": \"r4rk1\/p2n1ppp\/1p2b3\/2p1P3\/2P4q\/P2B3P\/2Q2PP1\/1RB1R1K1 b - - 2 20\", \"s\": \"Te1\", \"u\": \"f1e1\", \"w\": true, \"n\": 20, \"c\": \"<b>20.Te1.<\/b> Stockfish pr\u00e9f\u00e9rait 20.Fe4 (+1,6), mais l'id\u00e9e est la m\u00eame&nbsp;: tout soutenir le pion e5.\", \"m\": \"2,1 s de r\u00e9flexion\", \"sf\": \"+0,71\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p2b3\/2p1P3\/2P4q\/P2B3P\/2Q2PP1\/1RB1R1K1 w - - 3 21\", \"s\": \"Tae8\", \"u\": \"a8e8\", \"w\": false, \"n\": 20, \"c\": \"\", \"m\": \"2,2 s de r\u00e9flexion\", \"sf\": \"+0,95\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p2b3\/2p1P3\/2P1R2q\/P2B3P\/2Q2PP1\/1RB3K1 b - - 4 21\", \"s\": \"Te4\", \"u\": \"e1e4\", \"w\": true, \"n\": 21, \"c\": \"<b>21.Te4.<\/b> La Tour monte \u00e0 la quatri\u00e8me rang\u00e9e et chasse la Dame noire, qui ne trouve plus de bonne case.\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"+0,91\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p2b3\/2p1P2q\/2P1R3\/P2B3P\/2Q2PP1\/1RB3K1 w - - 5 22\", \"s\": \"Dh5\", \"u\": \"h4h5\", \"w\": false, \"n\": 21, \"c\": \"\", \"m\": \"2,1 s de r\u00e9flexion\", \"sf\": \"+1,00\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p2b3\/2p1P2q\/2P1RB2\/P2B3P\/2Q2PP1\/1R4K1 b - - 6 22\", \"s\": \"Ff4\", \"u\": \"c1f4\", \"w\": true, \"n\": 22, \"c\": \"\", \"m\": \"2,1 s de r\u00e9flexion\", \"sf\": \"0,00\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p6\/2p1Pb1q\/2P1RB2\/P2B3P\/2Q2PP1\/1R4K1 w - - 7 23\", \"s\": \"Ff5\", \"u\": \"e6f5\", \"w\": false, \"n\": 22, \"c\": \"<b>22\u2026Ff5.<\/b> Le MM\u00a0V propose l'\u00e9change des Fous de cases blanches pour soulager sa Dame.\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"+1,03\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p6\/2p1Pb1q\/2P2B2\/P2B3P\/2Q2PP1\/1R2R1K1 b - - 8 23\", \"s\": \"Tee1\", \"u\": \"e4e1\", \"w\": true, \"n\": 23, \"c\": \"<b>23.Tee1.<\/b> Neo65 refuse de se compliquer la vie en g4 (meilleur selon Stockfish, +1,03) et ram\u00e8ne sa Tour.\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"\u22120,18\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p6\/2p1P2q\/2P2B2\/P2b3P\/2Q2PP1\/1R2R1K1 w - - 0 24\", \"s\": \"Fxd3\", \"u\": \"f5d3\", \"w\": false, \"n\": 23, \"c\": \"\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"\u22120,16\"}, {\"f\": \"4rrk1\/p2n1ppp\/1p6\/2p1P2q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 b - - 0 24\", \"s\": \"Dxd3\", \"u\": \"c2d3\", \"w\": true, \"n\": 24, \"c\": \"\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"\u22120,18\"}, {\"f\": \"3r1rk1\/p2n1ppp\/1p6\/2p1P2q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 w - - 1 25\", \"s\": \"Td8\", \"u\": \"e8d8\", \"w\": false, \"n\": 24, \"c\": \"<b>24\u2026Td8&nbsp;?<\/b> La faute qui ouvre la partie. Il fallait 24\u2026Cb8 (Stockfish \u22120,16)&nbsp;; apr\u00e8s le coup de la partie, Stockfish donne +3,5 aux Blancs, car la Tour d8 laisse la case e6 sans surveillance.\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"+3,51\"}, {\"f\": \"3r1rk1\/p2n1ppp\/1p2P3\/2p4q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 b - - 0 25\", \"s\": \"e6\", \"u\": \"e5e6\", \"w\": true, \"n\": 25, \"c\": \"<b>25.e6&nbsp;!?<\/b> Le coup le plus spectaculaire, pas le plus fort. Stockfish pr\u00e9f\u00e9rait 25.Tbd1 (+3,5)&nbsp;; apr\u00e8s 25.e6, la seule d\u00e9fense 25\u2026Cf6 tient l'\u00e9galit\u00e9. Mais le pion e6 menace exf7+ et coupe la d\u00e9fense noire en deux&nbsp;: sur un 65C02 \u00e0 quelques milliers de n\u0153uds par coup, c'est le genre de coup qui force l'adversaire \u00e0 trouver la seule parade.\", \"m\": \"2,0 s de r\u00e9flexion\", \"sf\": \"\u22120,04\"}, {\"f\": \"3r1rk1\/p4ppp\/1p2P3\/2p1n2q\/2P2B2\/P2Q3P\/5PP1\/1R2R1K1 w - - 1 26\", \"s\": \"Ce5\", \"u\": \"d7e5\", \"w\": false, \"n\": 25, \"c\": \"<b>25\u2026Ce5&nbsp;?<\/b> Le MM\u00a0V ne la trouve pas. Le Cavalier attaque la Dame d3 mais se met dans un clouage dont il ne sortira pas. Stockfish&nbsp;: +4,2.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,22\"}, {\"f\": \"3r1rk1\/p4ppp\/1p2P3\/2p1n2q\/2P2B2\/P5QP\/5PP1\/1R2R1K1 b - - 2 26\", \"s\": \"Dg3\", \"u\": \"d3g3\", \"w\": true, \"n\": 26, \"c\": \"<b>26.Dg3&nbsp;!<\/b> La Dame s'\u00e9carte avec une menace double&nbsp;: Fxe5 suivi de Dxg7 mat, et exf7+. Le Cavalier e5 est attaqu\u00e9 trois fois.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,43\"}, {\"f\": \"5rk1\/p4ppp\/1p2P3\/2p1n2q\/2P2B2\/P2r2QP\/5PP1\/1R2R1K1 w - - 3 27\", \"s\": \"Td3\", \"u\": \"d8d3\", \"w\": false, \"n\": 26, \"c\": \"<b>26\u2026Td3.<\/b> Le MM\u00a0V contre-attaque la Dame. C'est sa meilleure ressource, et elle ne suffit pas.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,32\"}, {\"f\": \"5rk1\/p4ppp\/1p2P3\/2p1R2q\/2P2B2\/P2r2QP\/5PP1\/1R4K1 b - - 0 27\", \"s\": \"Txe5\", \"u\": \"e1e5\", \"w\": true, \"n\": 27, \"c\": \"<b>27.Txe5&nbsp;!<\/b> Neo65 laisse sa Dame en prise. La Tour prend le Cavalier et attaque la Dame noire en h5.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,35\"}, {\"f\": \"5rk1\/p4ppp\/1p2P3\/2p1R2q\/2P2B2\/P5rP\/5PP1\/1R4K1 w - - 0 28\", \"s\": \"Txg3\", \"u\": \"d3g3\", \"w\": false, \"n\": 27, \"c\": \"<b>27\u2026Txg3 28.Txh5.<\/b> Les deux Dames ont disparu, mais le compte n'est pas nul&nbsp;: les Blancs ont gagn\u00e9 le Cavalier e5 au passage, et leur pion e6 est \u00e0 deux pas de la promotion.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,44\"}, {\"f\": \"5rk1\/p4ppp\/1p2P3\/2p4R\/2P2B2\/P5rP\/5PP1\/1R4K1 b - - 0 28\", \"s\": \"Txh5\", \"u\": \"e5h5\", \"w\": true, \"n\": 28, \"c\": \"\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+4,46\"}, {\"f\": \"5rk1\/p4ppp\/1p2P3\/2p4R\/2P2B2\/r6P\/5PP1\/1R4K1 w - - 0 29\", \"s\": \"Txa3\", \"u\": \"g3a3\", \"w\": false, \"n\": 28, \"c\": \"\", \"m\": \"1,8 s de r\u00e9flexion\", \"sf\": \"+5,06\"}, {\"f\": \"5rk1\/p3Pppp\/1p6\/2p4R\/2P2B2\/r6P\/5PP1\/1R4K1 b - - 0 29\", \"s\": \"e7\", \"u\": \"e6e7\", \"w\": true, \"n\": 29, \"c\": \"<b>29.e7&nbsp;!<\/b> Le pion avance avec menace d'exf8=D+.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+5,00\"}, {\"f\": \"4r1k1\/p3Pppp\/1p6\/2p4R\/2P2B2\/r6P\/5PP1\/1R4K1 w - - 1 30\", \"s\": \"Te8\", \"u\": \"f8e8\", \"w\": false, \"n\": 29, \"c\": \"\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+5,11\"}, {\"f\": \"4r1k1\/p3Pppp\/1p6\/2p4R\/2P2B2\/r6P\/5PP1\/3R2K1 b - - 2 30\", \"s\": \"Td1\", \"u\": \"b1d1\", \"w\": true, \"n\": 30, \"c\": \"<b>30.Td1.<\/b> La deuxi\u00e8me Tour vient appuyer la promotion par la colonne d.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+5,21\"}, {\"f\": \"4r1k1\/p3Pp1p\/1p4p1\/2p4R\/2P2B2\/r6P\/5PP1\/3R2K1 w - - 0 31\", \"s\": \"g6\", \"u\": \"g7g6\", \"w\": false, \"n\": 30, \"c\": \"<b>30\u2026g6.<\/b> Le MM\u00a0V attaque la Tour h5, qu'il croit pouvoir prendre au coup suivant.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"+11,74\"}, {\"f\": \"3Rr1k1\/p3Pp1p\/1p4p1\/2p4R\/2P2B2\/r6P\/5PP1\/6K1 b - - 1 31\", \"s\": \"Td8\", \"u\": \"d1d8\", \"w\": true, \"n\": 31, \"c\": \"<b>31.Td8&nbsp;!!<\/b> Neo65 abandonne la Tour h5 et en offre une deuxi\u00e8me. Si 31\u2026Txd8, exd8=D et les Blancs restent avec une Dame. Stockfish&nbsp;: +11,7.\", \"m\": \"1,8 s de r\u00e9flexion\", \"sf\": \"+13,56\"}, {\"f\": \"3Rr1k1\/p3Pp1p\/1p6\/2p4p\/2P2B2\/r6P\/5PP1\/6K1 w - - 0 32\", \"s\": \"gxh5\", \"u\": \"g6h5\", \"w\": false, \"n\": 31, \"c\": \"<b>31\u2026gxh5.<\/b> Le MM\u00a0V prend la Tour. Il a maintenant une Tour d'avance, mais la promotion ne peut plus \u00eatre emp\u00each\u00e9e.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 9 pour Neo65\"}, {\"f\": \"4R1k1\/p3Pp1p\/1p6\/2p4p\/2P2B2\/r6P\/5PP1\/6K1 b - - 0 32\", \"s\": \"Txe8+\", \"u\": \"d8e8\", \"w\": true, \"n\": 32, \"c\": \"<b>32.Txe8+.<\/b> La Tour prend la Tour de blocage avec \u00e9chec. Stockfish annonce un mat en 9.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 7 pour Neo65\"}, {\"f\": \"4R3\/p3Ppkp\/1p6\/2p4p\/2P2B2\/r6P\/5PP1\/6K1 w - - 1 33\", \"s\": \"Rg7\", \"u\": \"g8g7\", \"w\": false, \"n\": 32, \"c\": \"\", \"m\": \"1,8 s de r\u00e9flexion\", \"sf\": \"mat en 7 pour Neo65\"}, {\"f\": \"4R3\/p3Ppkp\/1p6\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 b - - 2 33\", \"s\": \"Fe5+\", \"u\": \"f4e5\", \"w\": true, \"n\": 33, \"c\": \"<b>33.Fe5+.<\/b> Le Fou entre dans l'attaque avec \u00e9chec. 33.Tg8+ matait un peu plus vite, mais tout gagne.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 8 pour Neo65\"}, {\"f\": \"4R3\/p3P1kp\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 w - - 0 34\", \"s\": \"f6\", \"u\": \"f7f6\", \"w\": false, \"n\": 33, \"c\": \"\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 6 pour Neo65\"}, {\"f\": \"6R1\/p3P1kp\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 b - - 1 34\", \"s\": \"Tg8+\", \"u\": \"e8g8\", \"w\": true, \"n\": 34, \"c\": \"<b>34.Tg8+&nbsp;!!<\/b> Le dernier sacrifice&nbsp;: la Tour se donne pour d\u00e9vier le Roi de la case de promotion.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 5 pour Neo65\"}, {\"f\": \"6k1\/p3P2p\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 w - - 0 35\", \"s\": \"Rxg8\", \"u\": \"g7g8\", \"w\": false, \"n\": 34, \"c\": \"<b>34\u2026Rxg8.<\/b> Forc\u00e9.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 5 pour Neo65\"}, {\"f\": \"4Q1k1\/p6p\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 b - - 0 35\", \"s\": \"e8=D+\", \"u\": \"e7e8q\", \"w\": true, \"n\": 35, \"c\": \"<b>35.e8=D+.<\/b> Le pion e, parti de e5 au 19<sup>e<\/sup> coup, devient Dame avec \u00e9chec.\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 4 pour Neo65\"}, {\"f\": \"4Q3\/p5kp\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 w - - 1 36\", \"s\": \"Rg7\", \"u\": \"g8g7\", \"w\": false, \"n\": 35, \"c\": \"\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 4 pour Neo65\"}, {\"f\": \"8\/p3Q1kp\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 b - - 2 36\", \"s\": \"De7+\", \"u\": \"e8e7\", \"w\": true, \"n\": 36, \"c\": \"\", \"m\": \"0,5 s de r\u00e9flexion\", \"sf\": \"mat en 3 pour Neo65\"}, {\"f\": \"6k1\/p3Q2p\/1p3p2\/2p1B2p\/2P5\/r6P\/5PP1\/6K1 w - - 3 37\", \"s\": \"Rg8\", \"u\": \"g7g8\", \"w\": false, \"n\": 36, \"c\": \"\", \"m\": \"1,9 s de r\u00e9flexion\", \"sf\": \"mat en 3 pour Neo65\"}, {\"f\": \"6k1\/p3Q2p\/1p3B2\/2p4p\/2P5\/r6P\/5PP1\/6K1 b - - 0 37\", \"s\": \"Fxf6\", \"u\": \"e5f6\", \"w\": true, \"n\": 37, \"c\": \"<b>37.Fxf6.<\/b> Le Fou prend le dernier pion de la protection. La menace Dg7 mat ne peut plus \u00eatre par\u00e9e.\", \"m\": \"0,3 s de r\u00e9flexion\", \"sf\": \"mat en 2 pour Neo65\"}, {\"f\": \"6k1\/p3Q2p\/1p3B2\/2p4p\/2P5\/7P\/5PP1\/r5K1 w - - 1 38\", \"s\": \"Ta1+\", \"u\": \"a3a1\", \"w\": false, \"n\": 37, \"c\": \"<b>37\u2026Ta1+ 38.Fxa1.<\/b> Un \u00e9chec de d\u00e9sespoir.\", \"m\": \"0,8 s de r\u00e9flexion\", \"sf\": \"mat en 2 pour Neo65\"}, {\"f\": \"6k1\/p3Q2p\/1p6\/2p4p\/2P5\/7P\/5PP1\/B5K1 b - - 0 38\", \"s\": \"Fxa1\", \"u\": \"f6a1\", \"w\": true, \"n\": 38, \"c\": \"\", \"m\": \"0,3 s de r\u00e9flexion\", \"sf\": \"mat en 1 pour Neo65\"}, {\"f\": \"6k1\/4Q2p\/1p6\/p1p4p\/2P5\/7P\/5PP1\/B5K1 w - - 0 39\", \"s\": \"a5\", \"u\": \"a7a5\", \"w\": false, \"n\": 38, \"c\": \"\", \"m\": \"0,4 s de r\u00e9flexion\", \"sf\": \"mat en 1 pour Neo65\"}, {\"f\": \"6k1\/6Qp\/1p6\/p1p4p\/2P5\/7P\/5PP1\/B5K1 b - - 1 39\", \"s\": \"Dg7#\", \"u\": \"e7g7\", \"w\": true, \"n\": 39, \"c\": \"<b>39.Dg7#.<\/b> Mat. 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(m.n + \".\" + m.s) : (m.n + \"\u2026\" + m.s); }\n\/\/ liste des coups\nvar h = \"\";\nfor(var i = 0; i < R.length; i += 2){\nh += '<div class=\"no\">' + R[i].n + '.<\/div>';\nh += '<button type=\"button\" data-i=\"' + i + '\"' + (R[i].c ? ' class=\"cm\"' : '') + '>' + R[i].s + '<\/button>';\nh += (i + 1 < R.length) ? '<button type=\"button\" data-i=\"' + (i+1) + '\"' + (R[i+1].c ? ' class=\"cm\"' : '') + '>' + R[i+1].s + '<\/button>' : '<div><\/div>';\n}\nliste.innerHTML = h;\n[].slice.call(liste.querySelectorAll(\"button\")).forEach(function(b){\nvar k = parseInt(b.getAttribute(\"data-i\"), 10); btns[k] = b;\nb.addEventListener(\"click\", function(){ aller(k); });\n});\nfunction aller(i){\ncur = Math.max(-1, Math.min(R.length - 1, i));\nvar fen = cur < 0 ? START : R[cur].f;\nboardEl.innerHTML = svg(fen, cur < 0 ? null : R[cur].u);\npos.textContent = cur < 0 ? \"position de d\u00e9part\" : label(cur);\nbtns.forEach(function(b, k){ if(b) b.className = (R[k].c ? \"cm\" : \"\") + (k === cur ? \" on\" : \"\"); });\nif(cur >= 0 && btns[cur]){\nvar b = btns[cur], top = b.offsetTop - liste.offsetTop;\nif(top < liste.scrollTop || top > liste.scrollTop + liste.clientHeight - 24) liste.scrollTop = top - 60;\n}\nif(cur < 0){\ncom.innerHTML = '<p>Shahmatic Neo65 18&nbsp;MHz HG440 (Blancs) contre Mephisto MM&nbsp;V (Noirs). Avancez avec \u25b6 ou cliquez un coup&nbsp;; les coups en gras sont comment\u00e9s.<\/p>';\nreturn;\n}\nvar m = R[cur], qui = m.w ? \"Neo65\" : \"MM V\";\nvar t = (m.c && m.c.indexOf('<b>') === 0) ? m.c : '<strong>' + label(cur) + '<\/strong> ' + (m.c || \"\");\nvar ev = [];\nif(m.m) ev.push(qui + \"&nbsp;: \" + m.m);\nif(m.sf) ev.push(\"Stockfish (point de vue de Neo65)&nbsp;: \" + m.sf);\ncom.innerHTML = '<p style=\"margin:0\">' + t + '<\/p>' + (ev.length ? 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