Databases
PlayChess Engine Room Games:
These game bases have been gently cleaned to better reflect statistical move probability in rated engine play. Draws, and wins attributed to time or disconnects have been removed. Additional filtering should be considered before inclusion into opening book databases. More complete bases of engine room games may be found at Spaghettichess (Draws makeup over 40% of engine vs. engine games)
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2006 wins & losses.rar
(103.4M) -
2007 wins & losses.rar
(45M) -
2008-a January wins & losses.rar
(35.3M) -
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2008-c March wins & losses.rar
(42.9M) -
2008-d April wins & losses.rar
(36.4M) -
2008-e May wins & losses.rar
(37.7M) -
2008-f June wins & losses.rar
(32.6M) -
2008-g July wins & losses.rar
(38.4M) -
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2008-j October wins & losses.rar
(34.4M) -
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2009-a January wins & losses.rar
(35.7M) -
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PAL Freestyle Tournaments 1-8.rar
(1.5M)Caution should be used in including any of these Freestyle games into book bases. While there are some innovative lines among these games, there are also many early draws and questionable resignations in positions that afford winning possibilities.