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<span id="CrayBlitz"></span>
=Cray Blitz=
[[Cray Blitz]] applied a special draw heuristic, not uniformly using zero as draw score, but rather zero plus the [[Ply|ply]] distance to the [[Root|root]] to prefer later draws rather than a draw now. Additionally, the draw score range is disjoint from [[Evaluation|evaluation]] scores, which then exclude values around zero by adding or subtracting appropriate offsets if either greater or equal, or less than zero <ref>[[Harry Nelson]], [[Robert Hyatt]] ('''1988'''). ''The Draw Heuristic of Cray Blitz''. [[ICGA Journal#11_1|ICCA Journal]], Vol. 11, No. 1, pp. 3-9.]]</ref>.
=Draw Topics=
=Publications=
* [[David Slate]] ('''1984'''). ''Interior-node Score Bounds in a Brute-force Chess Program.'' [[ICGA Journal#7_4|ICCA Journal]], Vol. 7, No. 4, pp. 184-192]]* [[Harry Nelson]], [[Robert Hyatt]] ('''1988'''). ''The Draw Heuristic of Cray Blitz''. [[ICGA Journal#11_1|ICCA Journal]], Vol. 11, No. 1, pp. 3-9. ]]* [[Ernst A. Heinz]] ('''1998''') ''[http://people.csail.mit.edu/heinz/dt/node33.html Efficient Interior-Node Recognition]''. [[ICGA Journal#21_3|ICCA Journal]], Vol. 21, No. 3, pp. 156-167]]
* [[Vladan Vučković]], [[Đorđe Vidanović]] ('''2004'''). ''A New Approach to Draw Detection by Move Repetition in Computer Chess Programming.'' [https://arxiv.org/abs/cs/0406038 arXiv:cs/0406038] <ref>[https://www.stmintz.com/ccc/index.php?id=380201 Draw Detection by Move Repetition Procedure -- Comments] by [[Đorđe Vidanović]], [[CCC]], August 01, 2004</ref>
* [[Guy Haworth]] ('''2021'''). ''Chess without draws''. [[ICGA Journal#43_2|ICGA Journal, Vol. 43, No. 2]]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=40388 Repetitions/50 moves and TT] by [[Sergei Markoff]], [[CCC]], September 13, 2011 » [[Fifty-move Rule]]
* [http://www.talkchess.com/forum/viewtopic.php?t=44167 Texel recipe to fix TT draws scores] by [[Marco Costalba]], [[CCC]], June 23, 2012 » [[Texel]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=44702 Draw value] by [[Fermin Serrano]], [[CCC]], August 06, 2012
* [http://www.open-chess.org/viewtopic.php?f=5&t=2172 Draw aversion] by [[Don Dailey]], [[Computer Chess Forums|OpenChess Forum]], December 16, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=50321 Value draw] by [[Marek Kwiatkowski]], [[CCC]], December 04, 2013
* [http://www.talkchess.com/forum/viewtopic.php?t=63906 Reporting a draw in UCI] by Vince Sempronio, [[CCC]], May 05, 2017 » [[UCI]]
* [http://www.talkchess.com/forum/viewtopic.php?t=64719 Ways to avoid "Draw Death" in Computer Chess] by [[Kai Laskos]], [[CCC]], July 25, 2017 » [[Match Statistics]], [[Playing Strength]]
* [https://groups.google.com/d/msg/fishcooking/WgN3KD0ThA4/iIk2j0RhBAAJ Draw rate] by [[Stephane Nicolet]], [[Computer Chess Forums|FishCooking]], March 07, 2018 » [[Stockfish]]
* [http://www.talkchess.com/forum/viewtopic.php?t=67102 Draw scores in TT] by [[Srdja Matovic]], [[CCC]], April 14, 2018 » [[Score#DrawScore|Draw Score]], [[Transposition Table]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=68558 Rebel Book Draw?] by [[John Merlino]], [[CCC]], October 03, 2018 » [[Opening Book]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=69069 Are draws hard to predict?] by [[Daniel Shawul]], [[CCC]], November 27, 2018 » [[Neural Networks]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=71707 Why does stockfish randomise draw evaluations?] by konsolas[[Vincent Tang]], [[CCC]], September 01, 2019 » [[Stockfish]], [[Draw Evaluation]], [[Score#DrawScore|Draw Score]], [[Search with Random Leaf Values]]==2020 ...==* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77544 what is the rating of engines when you do not count draws?] by [[Uri Blass]], [[CCC]], June 23, 2021 » [[Match Statistics]], [[Playing Strength]]* [https://talkchess.com/forum3/viewtopic.php?f=2&t=82889&p=955526#p955526 Re: Chess is a Draw] by [[Larry Kaufman]], [[CCC]], December 03, 2023
=External Links=
