...bit word]] or register covers the whole board. Even more bitboard friendly is [[Checkers]] with 32-bit bitboards and less [[Pieces#PieceTypeCoding|piece-
Of course bitboards are not only about the existence of pieces - it is a general purpose, '''set-wise''' data-structure fitting in one 64-bit regi
26 KB (3,485 words) - 18:37, 12 March 2022
Computer chess is actively discussed in several Discord channels:
* [https://groups.google.com/forum/#!forum/shogi-l SHOGI-L]
7 KB (997 words) - 10:20, 22 February 2024
Several lists of computer chess programs or '''Chess engines''', which is the chess playing part of the chess program, relying on proprietary or [[Pr
* [[:Category:Shogi]]
33 KB (3,508 words) - 02:43, 20 October 2022
A '''Protocol''' is a [https://en.wikipedia.org/wiki/Formal_methods formal description] of [htt
The aim of computer chess protocols is to define a standard to let a chess engine communicate with [[User Interfac
9 KB (1,194 words) - 09:29, 3 July 2021
...he latter situation might indicate that some kind of merging or re-editing is necessary.
* [[CSA]] - Computer Shogi Association
10 KB (1,192 words) - 22:14, 18 November 2020
...[Marco Costalba]], [[CCC]], October 02, 2011</ref>. From that, the project is being developed and maintained by the [[:Category:Stockfish Contributor|Sto
A synergy effect with the [[Shogi]] community led to the promising branch of [[Stockfish NNUE]], courtesy of
65 KB (8,362 words) - 13:19, 1 March 2024
* [[World Computer Shogi Championship]]
* [http://www.talkchess.com/forum/viewtopic.php?t=65061 What is a Match?] by [[Henk van den Belt]], [[CCC]], September 01, 2017
9 KB (1,042 words) - 14:09, 11 October 2023
...fish#TestingFramework|Testing Framework]] called ''Fishtest''. Leela Chess is [[:Category:Open Source|open source]], released under the terms of [[Free S
The goal is to build a strong chess playing entity following the same type of [[Deep Le
35 KB (4,831 words) - 15:09, 10 August 2023
Don Beal is author and co-author of following chess programs <ref>[https://www.game-ai-
...with the Null Move.'' [[Advances in Computer Chess 5]], a revised version is published ('''1990''') under the title ''A Generalized Quiescence Search Al
14 KB (1,937 words) - 17:07, 16 November 2020
...ary Games''. [[Advances in Computer Games 9]], pp. 157-174. [http://www.ru.is/faculty/yngvi/pdf/BjornssonM01b.pdf pdf]</ref>, with the aim to improve the
...h"></span>A difficulty in tuning and automated tuning of engine parameters is measuring [[Playing Strength|playing strength]]. Using small sets of [[Tes
91 KB (12,241 words) - 21:01, 28 March 2022
...e which is presumed to be the common ancestor of the games of [[Chess]], [[Shogi]] and [[Chinese Chess]] <ref>[https://en.wikipedia.org/wiki/Origins_of_ches
3 KB (396 words) - 11:20, 14 December 2019
...nd the value of White's position after each is calculated; the move played is that which maximizes this value. In calculating the value of a position, th
...squares to which that piece might legally move (whether or not that square is occupied by a piece) added up. Thus an opening move of e4 increases the val
14 KB (2,114 words) - 20:50, 8 December 2019
...[[Karen Simonyan]], [[Demis Hassabis]] ('''2017'''). ''Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm''. [https://ar
MCTS is based on randomized explorations of the [[Search Space|search space]]. Usin
76 KB (10,188 words) - 16:36, 1 December 2021
...zing player is assured of and the maximum score that the minimizing player is assured of respectively. Consider the following example...
...lower bound]]. We know that we can achieve at least that, so anything that is clearly worse can be ignored.
37 KB (5,099 words) - 16:20, 1 December 2021
...nstance as history score chart indexed by ply. Related to Machine learning is [https://en.wikipedia.org/wiki/Evolutionary_computation evolutionary comput
...rol in Adversary Games''. [[Advances in Computer Games 9]], [http://www.ru.is/faculty/yngvi/pdf/BjornssonM01b.pdf pdf]</ref> or [[Time Management|time us
137 KB (18,484 words) - 00:18, 19 December 2021
...But what if you were to search one move deeper and find that the next move is PxQ? You didn't win a pawn, you actually lost a queen. Hence the need to ma
...rches are typically very short, about 50%-90% nodes are spent there, so it is worthwhile to apply some [[Pruning|pruning]] there. Apart from not trying m
25 KB (3,459 words) - 10:30, 15 June 2021
...[[Upper Bound|upper bound]]. The none [[Recursion|recursive]] [[ProbCut]] is applied at both types of none [[Node Types#PV|PV-nodes]]. Rather than immed
...ory Pruning <ref>[https://www.stmintz.com/ccc/index.php?id=434817 Re: What is History Pruning?] by [[Tord Romstad]], [[CCC]], July 03, 2005</ref>
16 KB (2,174 words) - 11:35, 16 June 2021
...th]] of the subtree under the null move. The value of this depth reduction is known as [[Depth Reduction R|R]].
...It determines the answer by assuming Black does nothing on his turn, that is, by playing a "No Move" and then seeing if White can enforce an immediate c
40 KB (5,641 words) - 18:55, 25 December 2020
...not show an escape. ProbCut is a generalization of this method in that it is game independent. It was tested by incorporating it in Buro's already stron
...of a deeper search with depth ''d > d'''. A way to model this relationship is by means of a [https://en.wikipedia.org/wiki/Linear_model linear model]:
17 KB (2,330 words) - 12:12, 2 May 2020
...current position. If this does not exceed alpha then the futility pruning is triggered to skip this move (which further means setting a flag like ''f_pr
Futility pruning is not used when the [[Side to move|side to move]] is in [[Check|check]] , or when either [[Alpha|alpha]] or [[Beta|beta]] are cl
15 KB (2,022 words) - 09:48, 8 July 2021
