{"id":2862,"date":"2026-01-25T19:00:19","date_gmt":"2026-01-25T19:00:19","guid":{"rendered":"https:\/\/www.chess.lumn.eu\/wordpress\/?p=2862"},"modified":"2026-01-25T19:00:20","modified_gmt":"2026-01-25T19:00:20","slug":"blog","status":"publish","type":"post","link":"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/01\/25\/blog\/","title":{"rendered":"Blog"},"content":{"rendered":"<style type='text\/css' media='all'>#rt-tpg-container-2970349529 .rt-holder .rt-woo-info .price{color:#0367bf;}body .rt-tpg-container .rt-tpg-isotope-buttons .selected,\n\t\t\t\t\t#rt-tpg-container-2970349529 .layout12 .rt-holder:hover .rt-detail,\n\t\t\t\t\t#rt-tpg-container-2970349529 .isotope8 .rt-holder:hover .rt-detail,\n\t\t\t\t\t#rt-tpg-container-2970349529 .carousel8 .rt-holder:hover .rt-detail,\n\t\t\t\t\t#rt-tpg-container-2970349529 .layout13 .rt-holder .overlay .post-info,\n\t\t\t\t\t#rt-tpg-container-2970349529 .isotope9 .rt-holder .overlay .post-info,\n\t\t\t\t\t#rt-tpg-container-2970349529.rt-tpg-container .layout4 .rt-holder .rt-detail,\n\t\t\t\t\t.rt-modal-2970349529 .md-content,\n\t\t\t\t\t.rt-modal-2970349529 .md-content > .rt-md-content-holder .rt-md-content,\n\t\t\t\t\t.rt-popup-wrap-2970349529.rt-popup-wrap .rt-popup-navigation-wrap,\n\t\t\t\t\t#rt-tpg-container-2970349529 .carousel9 .rt-holder .overlay .post-info{background-color:#0367bf;}#rt-tpg-container-2970349529 .layout5 .rt-holder .overlay, #rt-tpg-container-2970349529 .isotope2 .rt-holder .overlay, #rt-tpg-container-2970349529 .carousel2 .rt-holder .overlay,#rt-tpg-container-2970349529 .layout15 .rt-holder h3, #rt-tpg-container-2970349529 .isotope11 .rt-holder h3, #rt-tpg-container-2970349529 .carousel11 .rt-holder h3, #rt-tpg-container-2970349529 .layout16 .rt-holder h3,\n\t\t\t\t\t#rt-tpg-container-2970349529 .isotope12 .rt-holder h3, #rt-tpg-container-2970349529 .carousel12 .rt-holder h3 {background-color:rgba(3,103,191,0.8);}#rt-tpg-container-2970349529 .read-more a{border-radius:px;}#rt-tpg-container-2970349529 .rt-img-holder img.rt-img-responsive,#rt-tpg-container-2970349529 .rt-img-holder,\n\t\t\t\t\t#rt-tpg-container-2970349529 .rt-post-overlay .post-img,\n\t\t\t\t\t#rt-tpg-container-2970349529 .post-sm .post-img,\n\t\t\t\t\t#rt-tpg-container-2970349529 .rt-post-grid .post-img,\n\t\t\t\t\t#rt-tpg-container-2970349529 .post-img img {border-radius:px;}<\/style><div class='rt-container-fluid rt-tpg-container tpg-shortcode-main-wrapper ' id='rt-tpg-container-2970349529'   data-layout='layout1' data-grid-style='even' data-desktop-col='3'  data-tab-col='2'  data-mobile-col='1' data-sc-id='2857'><div data-title='Loading ...' class='rt-row rt-content-loader   layout1 tpg-even '><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"3507\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"3507\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/03\/30\/calibrationelo\/\"><img width=\"300\" height=\"249\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2026\/03\/Gemini_Generated_Image_3qqfec3qqfec3qqf-300x249.png\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"3507\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/03\/30\/calibrationelo\/\">Calibration ELO : \u00e9chelle de Jacob<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>30 March, 2026<\/span><\/div><div class='tpg-excerpt'>Description par le d\u00e9tail de ma m\u00e9thode pour calibrer en performance des moteurs d'\u00e9checs.<\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"3481\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"3481\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/03\/08\/laffaire-rybka\/\"><img width=\"300\" height=\"253\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2026\/03\/Gemini_Generated_Image_16qwm816qwm816qw-300x253.png\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"3481\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/03\/08\/laffaire-rybka\/\">L&#8217;Affaire Rybka<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>8 March, 2026<\/span><\/div><div class='tpg-excerpt'>De 2011 \u00e0 2015, l'affaire Rybka a fractur\u00e9 la communaut\u00e9 du chess computing en deux camps irr\u00e9conciliables : d'un c\u00f4t\u00e9 l'ICGA, qui a banni \u00e0 vie Vasik Rajlich et annul\u00e9 ses quatre titres mondiaux pour d\u00e9rivation non d\u00e9clar\u00e9e du moteur open source Fruit ; de l'autre, des figures aussi respect\u00e9es que le math\u00e9maticien S\u00f8ren Riis et le double champion du monde Ed Schr\u00f6der, qui ont d\u00e9nonc\u00e9 une proc\u00e9dure vici\u00e9e par les conflits d'int\u00e9r\u00eat. Entre preuves techniques contest\u00e9es, retournements spectaculaires et arbitrage partiel de la FIDE, la question fondamentale \u2014 Rybka \u00e9tait-il ou non un d\u00e9riv\u00e9 de Fruit ? \u2014 n'a jamais \u00e9t\u00e9 tranch\u00e9e, faute d'un code source que Rajlich n'a jamais rendu public.<\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"2244\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"2244\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/01\/26\/kathleen-dan-spracklen\/\"><img width=\"300\" height=\"209\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2022\/01\/SargonSpracklens1978_2-300x209.jpg\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"2244\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/01\/26\/kathleen-dan-spracklen\/\">Update : Kathleen &#038; Dan Spracklen<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>26 January, 2026<\/span><span class='post-tags-links'><i class='fa fa-tags '><\/i><a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/tag\/dan-kate-spracklen\/\" rel=\"tag\">Dan et Kate Spracklen<\/a><span class=\"rt-separator\">,<\/span><a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/tag\/fidelity\/\" rel=\"tag\">Fidelity<\/a><span class=\"rt-separator\">,<\/span><a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/tag\/saitek\/\" rel=\"tag\">Saitek<\/a><\/span><\/div><div class='tpg-excerpt'>Update &#8211; Kathleen and Dan Spracklen Je viens de trouver une interview du couple de programmeurs vedettes de Fidelity. L&#8217;interview a \u00e9t\u00e9 recueilli pour le compte du mus\u00e9e des \u00e9checs en 2005, et je trouve que c&#8217;est une tr\u00e8s belle page de l&#8217;histoire des \u00e9chiquiers \u00e9lectroniques qui y est cont\u00e9e. La voici en int\u00e9gralit\u00e9&#8230;en anglais,&hellip;&nbsp;<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2026\/01\/26\/kathleen-dan-spracklen\/\">Read More &raquo;Update : Kathleen &#038; Dan Spracklen<\/a><\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"2168\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"2168\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2022\/01\/24\/fidelity_innovation\/\"><img width=\"300\" height=\"264\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2022\/01\/fidelity_designer_2000_pic-300x264.gif\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"2168\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2022\/01\/24\/fidelity_innovation\/\">Quand Fidelity innove<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>24 January, 2022<\/span><span class='post-tags-links'><i class='fa fa-tags '><\/i><a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/tag\/dan-kate-spracklen\/\" rel=\"tag\">Dan et Kate Spracklen<\/a><span class=\"rt-separator\">,<\/span><a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/tag\/fidelity\/\" rel=\"tag\">Fidelity<\/a><\/span><\/div><div class='tpg-excerpt'>Quand Fidelity innove Cela fait un petit bout de temps que j&#8217;avais envie de rechercher dans mes documents des articles qui ont salu\u00e9 le parcours d&#8217;innovation de l&#8217;entreprise Fidelity en mati\u00e8re d&#8217;\u00e9checs \u00e9lectroniques. Ces innovations durant la fin des ann\u00e9es 80 ont consist\u00e9 en : Premier micro avec tables de hachage. Premier micro utilisant l&#8217;apprentissage&hellip;&nbsp;<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2022\/01\/24\/fidelity_innovation\/\">Read More &raquo;Quand Fidelity innove<\/a><\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"2069\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"2069\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/12\/03\/designer_swap\/\"><img width=\"300\" height=\"218\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2021\/12\/DSC08240_2-300x218.jpg\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"2069\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/12\/03\/designer_swap\/\">Les chaises musicales chez Fidelity<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>3 December, 2021<\/span><\/div><div class='tpg-excerpt'>Les chaises musicales chez Fidelity Voil\u00e0, j&#8217;ai enfin retrouv\u00e9 un Fidelity Designer 2000 Display sur un site de petites annonces espagnol. Pay\u00e9 le mercredi, arriv\u00e9 le vendredi, mais que fait la poste fran\u00e7aise ? L&#8217;\u00e9chiquier est dans un tr\u00e8s bel \u00e9tat contrairement au premier que j&#8217;ai eu. Je me proposais de r\u00e9cup\u00e9rer mon Designer 2100&hellip;&nbsp;<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/12\/03\/designer_swap\/\">Read More &raquo;Les chaises musicales chez Fidelity<\/a><\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"1872\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"1872\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/10\/11\/elementor-1872\/\"><img width=\"300\" height=\"156\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2021\/10\/Image00001-300x156.jpg\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"1872\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/10\/11\/elementor-1872\/\">Saitek Corona R\u00e9surrection<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>11 October, 2021<\/span><\/div><div class='tpg-excerpt'>Saitek Corona R\u00e9surrection Je suis fan du Saitek Corona mais son esth\u00e9tique m&#8217;a toujours br\u00fbl\u00e9 la r\u00e9tine. Il est laid! Enfin, son cadre est laid. J&#8217;ai donc d\u00e9cid\u00e9 de passer de laid \u00e0 lait : troquer son cadre br\u00fbnatre-teinte-ind\u00e9finissable pour un blanc virginal. Non content d&#8217;affubler la b\u00eate d&#8217;une couleur atroce, voil\u00e0 t-y pas que&hellip;&nbsp;<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/10\/11\/elementor-1872\/\">Read More &raquo;Saitek Corona R\u00e9surrection<\/a><\/div><\/div><\/div><\/div><div class=\"rt-col-md-4 rt-col-sm-6 rt-col-xs-12 even-grid-item rt-grid-item\" data-id=\"1715\"><div class=\"rt-holder\"><div class=\"rt-img-holder\"><a data-id=\"1715\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/03\/10\/les-processeurs-risc-pour-echiquiers\/\"><img width=\"300\" height=\"235\" src=\"https:\/\/www.chess.lumn.eu\/wordpress\/wp-content\/uploads\/2021\/03\/CM-512K-300x235.jpg\" class=\"rt-img-responsive \" alt=\"\" \/><\/a><\/div><div class='rt-detail'><h3 class=\"entry-title\"><a data-id=\"1715\" class=\"\" href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/03\/10\/les-processeurs-risc-pour-echiquiers\/\">Les processeurs RISC pour \u00e9chiquiers<\/a><\/h3><div class='post-meta-user  '><span class='date'><i class='far fa-calendar-alt '><\/i>10 March, 2021<\/span><\/div><div class='tpg-excerpt'>Les processeurs RISC pour \u00e9chiquiers Au d\u00e9but, nous pouvions classer les microprocesseurs commerciaux en quatre cat\u00e9gories : mono-puce, 8 bits, 16 bits et 32 bits. Le microprocesseur mono-puce par excellence \u00e9tait le 6301Y, avec des registres sur 8 bits et une fr\u00e9quence d\u2019horloge typique de 8 MHz. Les 8 bits haut de gamme \u00e9taient \u00e9quip\u00e9s&hellip;&nbsp;<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/2021\/03\/10\/les-processeurs-risc-pour-echiquiers\/\">Read More &raquo;Les processeurs RISC pour \u00e9chiquiers<\/a><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"categories":[1],"tags":[],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"valterd","author_link":"https:\/\/www.chess.lumn.eu\/wordpress\/author\/valterd\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.chess.lumn.eu\/wordpress\/category\/uncategorized\/\" rel=\"category tag\">Uncategorized<\/a>","rttpg_excerpt":null,"_links":{"self":[{"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/posts\/2862"}],"collection":[{"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/comments?post=2862"}],"version-history":[{"count":1,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/posts\/2862\/revisions"}],"predecessor-version":[{"id":2863,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/posts\/2862\/revisions\/2863"}],"wp:attachment":[{"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/media?parent=2862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/categories?post=2862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chess.lumn.eu\/wordpress\/wp-json\/wp\/v2\/tags?post=2862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}