https:\/\/twitter.com\/sTeamTraen\/status\/1567521153094230016<\/p>\n
<\/p>\n
Regarding computer help there is an interesting video\u00a0<\/span><\/p>\n <\/p>\n<\/iframe><\/p>\n<p><!--more--><\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/hFcSwSIw9nE\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p> <\/p>\n<p><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-qvutc0\">I recolored the Excel Sheet of recent tournaments <\/span><a class=\"css-4rbku5 css-18t94o4 css-901oao css-16my406 r-1cvl2hr r-1loqt21 r-poiln3 r-bcqeeo r-qvutc0\" dir=\"ltr\" role=\"link\" href=\"https:\/\/t.co\/YvlKTfaQ8e\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><span class=\"css-901oao css-16my406 r-poiln3 r-hiw28u r-qvk6io r-bcqeeo r-qvutc0\" aria-hidden=\"true\">https:\/\/<\/span>docs.google.com\/spreadsheets\/d<span class=\"css-901oao css-16my406 r-poiln3 r-hiw28u r-qvk6io r-bcqeeo r-qvutc0\" aria-hidden=\"true\">\/127lwTsR-2Daz0JqN1TbZ8FgITX9Df9TyXT1gtjlZ5nk\/edit#gid=0<\/span><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-lrvibr r-qvutc0\" aria-hidden=\"true\">\u2026<\/span><\/a><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-qvutc0\"> but cannot detect any pattern. Maybe it does not make sense to analyze completed games but only “super moves”?<\/span><\/p>\n<p><a href=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2.jpg\" rel=\"key\" data-rel=\"key-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20742 size-medium\" src=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-620x752.jpg\" alt=\"\" width=\"620\" height=\"752\" srcset=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-620x752.jpg 620w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-412x500.jpg 412w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-768x931.jpg 768w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2.jpg 1002w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/p>\n<p> <\/p>\n<p>The distribution of scores (in particular scores >72) is, however, suspicious as there are way too many 100′ scores.<\/p>\n<pre class=\"brush: php; title: ; notranslate\" title=\"\">\r\nread.xlsx(fn, sheet = "Sheet1", startRow = 1, colNames = TRUE, rowNames = FALSE, rows = NULL, cols = NULL, check.names = FALSE) %>%\r\n\tselect(1,5:19) %>%\r\n\tslice(1:51) %>%\r\n\tmelt(., id.vars="Tournament") %>%\r\n\tggplot( aes(x=value) ) +\t\r\n\tgeom_histogram(binwidth=1, aes(y=..density..),fill="blue") +\r\n\tgeom_density(alpha=.2, fill="red")\r\n<\/pre>\n<p>which produces<\/p>\n<p><a href=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg\" rel=\"key\" data-rel=\"key-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20743 size-full\" src=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg\" alt=\"\" width=\"600\" height=\"600\" srcset=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg 600w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-500x500.jpeg 500w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-150x150.jpeg 150w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-120x120.jpeg 120w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><strong>Oct 6, 2022<\/strong><\/p>\n<p>Chess.com published the Niemann report at <a href=\"https:\/\/www.chess.com\/blog\/CHESScom\/hans-niemann-report\">https:\/\/www.chess.com\/blog\/CHESScom\/hans-niemann-report<\/a> saying<\/p>\n<blockquote><p>in our view there is a lack of concrete statistical evidence that he cheated in his game with Magnus or in any other over-the-board (\u201cOTB\u201d)\u2014i.e., in-person\u2014games. … While his performance in some of these [online] matches may seem to be within the realm of some statistical possibility, the probability of any single player performing this well across this many games is incredibly low … The basic concept of cheat detection, particularly at the top level of chess, is both statistical and manual, involving:<br \/>\n\u2022 Comparing the moves made to engine recommended moves<br \/>\n\u2022 Removing some moves (opening, some endgame)<br \/>\n\u2022 Focusing on key\/critical moves<br \/>\n\u2022 Discussing with a panel of trained analysts and strong players<br \/>\n\u2022 Comparing player past performance and known strength profile<br \/>\n\u2022 Comparing a player\u2019s performance to performances of comparable peers<br \/>\n\u2022 Looking at the statistical significance of the results (ex. \u201c1 in a million chance of happening<br \/>\nnaturally\u201d)<br \/>\n\u2022 Looking at if there are behavioral factors at play (ex. \u201cbrowser behavior\u201d)<br \/>\n\u2022 Reviewing time usage when compared to difficulty of the moves on the board<br \/>\nChess.com employs highly-rated and Grandmaster (GM) Fair Play Analysts precisely because there are many situations where humans are required to understand how \u201chuman\u201d vs. \u201ccomputer\u201d a move actually is. Human chess and computer chess are different, even at the highest levels. The best humans play at an Elo rating of 2800. \u201cStockfish,\u201d the most powerful chess engine, has an estimated rating of more than 3500…<\/p><\/blockquote>\n\n<p> <\/p>\n<div class=\"bottom-note\">\n <span class=\"mod1\">CC-BY-NC Science Surf , accessed 06.04.2026<\/span>\n <\/div>","protected":false},"excerpt":{"rendered":"<p>https:\/\/twitter.com\/sTeamTraen\/status\/1567521153094230016 Regarding computer help there is an interesting video\u00a0 CC-BY-NC Science Surf , accessed 06.04.2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-20741","post","type-post","status-publish","format-standard","hentry","category-asthma-allergy"],"_links":{"self":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/comments?post=20741"}],"version-history":[{"count":19,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741\/revisions"}],"predecessor-version":[{"id":20819,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741\/revisions\/20819"}],"wp:attachment":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/media?parent=20741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/categories?post=20741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/tags?post=20741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/iframe><\/p>\n<p><!--more--><\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/hFcSwSIw9nE\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p> <\/p>\n<p><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-qvutc0\">I recolored the Excel Sheet of recent tournaments <\/span><a class=\"css-4rbku5 css-18t94o4 css-901oao css-16my406 r-1cvl2hr r-1loqt21 r-poiln3 r-bcqeeo r-qvutc0\" dir=\"ltr\" role=\"link\" href=\"https:\/\/t.co\/YvlKTfaQ8e\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><span class=\"css-901oao css-16my406 r-poiln3 r-hiw28u r-qvk6io r-bcqeeo r-qvutc0\" aria-hidden=\"true\">https:\/\/<\/span>docs.google.com\/spreadsheets\/d<span class=\"css-901oao css-16my406 r-poiln3 r-hiw28u r-qvk6io r-bcqeeo r-qvutc0\" aria-hidden=\"true\">\/127lwTsR-2Daz0JqN1TbZ8FgITX9Df9TyXT1gtjlZ5nk\/edit#gid=0<\/span><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-lrvibr r-qvutc0\" aria-hidden=\"true\">\u2026<\/span><\/a><span class=\"css-901oao css-16my406 r-poiln3 r-bcqeeo r-qvutc0\"> but cannot detect any pattern. Maybe it does not make sense to analyze completed games but only “super moves”?<\/span><\/p>\n<p><a href=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2.jpg\" rel=\"key\" data-rel=\"key-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20742 size-medium\" src=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-620x752.jpg\" alt=\"\" width=\"620\" height=\"752\" srcset=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-620x752.jpg 620w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-412x500.jpg 412w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2-768x931.jpg 768w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/FduD-aCXgAAAIM2.jpg 1002w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/a><\/p>\n<p> <\/p>\n<p>The distribution of scores (in particular scores >72) is, however, suspicious as there are way too many 100′ scores.<\/p>\n<pre class=\"brush: php; title: ; notranslate\" title=\"\">\r\nread.xlsx(fn, sheet = "Sheet1", startRow = 1, colNames = TRUE, rowNames = FALSE, rows = NULL, cols = NULL, check.names = FALSE) %>%\r\n\tselect(1,5:19) %>%\r\n\tslice(1:51) %>%\r\n\tmelt(., id.vars="Tournament") %>%\r\n\tggplot( aes(x=value) ) +\t\r\n\tgeom_histogram(binwidth=1, aes(y=..density..),fill="blue") +\r\n\tgeom_density(alpha=.2, fill="red")\r\n<\/pre>\n<p>which produces<\/p>\n<p><a href=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg\" rel=\"key\" data-rel=\"key-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-20743 size-full\" src=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg\" alt=\"\" width=\"600\" height=\"600\" srcset=\"https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot.jpeg 600w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-500x500.jpeg 500w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-150x150.jpeg 150w, https:\/\/www.wjst.de\/blog\/wp-content\/uploads\/2022\/09\/Rplot-120x120.jpeg 120w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><strong>Oct 6, 2022<\/strong><\/p>\n<p>Chess.com published the Niemann report at <a href=\"https:\/\/www.chess.com\/blog\/CHESScom\/hans-niemann-report\">https:\/\/www.chess.com\/blog\/CHESScom\/hans-niemann-report<\/a> saying<\/p>\n<blockquote><p>in our view there is a lack of concrete statistical evidence that he cheated in his game with Magnus or in any other over-the-board (\u201cOTB\u201d)\u2014i.e., in-person\u2014games. … While his performance in some of these [online] matches may seem to be within the realm of some statistical possibility, the probability of any single player performing this well across this many games is incredibly low … The basic concept of cheat detection, particularly at the top level of chess, is both statistical and manual, involving:<br \/>\n\u2022 Comparing the moves made to engine recommended moves<br \/>\n\u2022 Removing some moves (opening, some endgame)<br \/>\n\u2022 Focusing on key\/critical moves<br \/>\n\u2022 Discussing with a panel of trained analysts and strong players<br \/>\n\u2022 Comparing player past performance and known strength profile<br \/>\n\u2022 Comparing a player\u2019s performance to performances of comparable peers<br \/>\n\u2022 Looking at the statistical significance of the results (ex. \u201c1 in a million chance of happening<br \/>\nnaturally\u201d)<br \/>\n\u2022 Looking at if there are behavioral factors at play (ex. \u201cbrowser behavior\u201d)<br \/>\n\u2022 Reviewing time usage when compared to difficulty of the moves on the board<br \/>\nChess.com employs highly-rated and Grandmaster (GM) Fair Play Analysts precisely because there are many situations where humans are required to understand how \u201chuman\u201d vs. \u201ccomputer\u201d a move actually is. Human chess and computer chess are different, even at the highest levels. The best humans play at an Elo rating of 2800. \u201cStockfish,\u201d the most powerful chess engine, has an estimated rating of more than 3500…<\/p><\/blockquote>\n\n<p> <\/p>\n<div class=\"bottom-note\">\n <span class=\"mod1\">CC-BY-NC Science Surf , accessed 06.04.2026<\/span>\n <\/div>","protected":false},"excerpt":{"rendered":"<p>https:\/\/twitter.com\/sTeamTraen\/status\/1567521153094230016 Regarding computer help there is an interesting video\u00a0 CC-BY-NC Science Surf , accessed 06.04.2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-20741","post","type-post","status-publish","format-standard","hentry","category-asthma-allergy"],"_links":{"self":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/comments?post=20741"}],"version-history":[{"count":19,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741\/revisions"}],"predecessor-version":[{"id":20819,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/20741\/revisions\/20819"}],"wp:attachment":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/media?parent=20741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/categories?post=20741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/tags?post=20741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}