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path: root/src/board/engine.rs
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* feat: implement piece-square tables99-accuracyeug-vs2023-01-30-26/+85
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* fix: do not account queen in mobility correcltyeug-vs2023-01-30-1/+5
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* fix: allow a little gap when widening windowseug-vs2023-01-30-2/+2
| | | | This prevents infinite loop when exact score = alpha or beta
* feat: slightly alter evaluation coefficientseug-vs2023-01-30-1/+4
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* fix: remove search instabilityeug-vs2023-01-29-1/+1
| | | | Strictly check depth when comparing transposition table entry
* fix: cutoff even when hash move is not a PV nodeeug-vs2023-01-29-2/+13
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* fix: correct zero-window size in PV-searcheug-vs2023-01-29-1/+2
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* fix: correctly process cutoffs in i-deepeningeug-vs2023-01-29-8/+11
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* feat: immediately return score of hash moveseug-vs2023-01-29-8/+24
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* feat: put killers directly after winning captureseug-vs2023-01-29-19/+43
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| * fix: do not use killers outside of movelisteug-vs2023-01-29-29/+28
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| * feat: implement killer heuristiceug-vs2023-01-29-3/+28
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| | * tmp: killer moveseug-vs2023-01-27-3/+30
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* | | feat: enhance negamax with PV-searcheug-vs2023-01-29-1/+18
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* | feat: change default window size 0.25 -> 0.5eug-vs2023-01-29-3/+3
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* | test: add weird bishop sacrifice test-caseeug-vs2023-01-29-1/+14
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* | test: add weird knight sacrifice test-caseeug-vs2023-01-29-3/+16
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* | fix: correclty count legal moveseug-vs2023-01-29-1/+3
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* | test: add checkmate test caseeug-vs2023-01-29-1/+17
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* | feat: improve logs in iterative deepeningeug-vs2023-01-29-2/+5
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* | refactor: exponentially grow windows on researcheug-vs2023-01-29-7/+9
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* | feat: prioritize checkmate brancheseug-vs2023-01-29-2/+16
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* | test: some evaluation sanity checkseug-vs2023-01-28-3/+119
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* | fix: correctly calculate king tropismeug-vs2023-01-28-3/+3
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* | fix: scale king tropism by opponent materialeug-vs2023-01-27-35/+39
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* | feat: add king tropism to evaluationeug-vs2023-01-27-1/+27
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* | refactor: separate hash_move functioneug-vs2023-01-27-12/+16
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* | feat: more efficiently order moveseug-vs2023-01-27-8/+13
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* feat: prioritize equal captures over non-captureseug-vs2023-01-27-15/+22
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* feat: improve eval_move performanceeug-vs2023-01-27-9/+12
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* feat: calculate pawn structure penaltyeug-vs2023-01-27-1/+41
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* feat: add max depth to iterative deepeningeug-vs2023-01-27-6/+8
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* fix: correctly update aspiration windoweug-vs2023-01-27-0/+2
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* feat: gradually widen aspiration windowseug-vs2023-01-27-4/+4
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* test: add endgame position perft testeug-vs2023-01-26-0/+10
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* fix: correct castle validationseug-vs2023-01-26-2/+2
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* feat: correctly evaluate pawns at higher rankseug-vs2023-01-26-2/+24
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* fix: do not write result after window cutoffeug-vs2023-01-26-8/+9
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* feat: prioritize winning captures in move orderingeug-vs2023-01-26-3/+4
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* feat: include All-nodes in transposition tableeug-vs2023-01-26-0/+8
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* feat: use moves at cut-nodes as hash moves tooeug-vs2023-01-25-2/+10
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* feat: add aspiration windows to iterative_deepningeug-vs2023-01-25-4/+22
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* feat!: check if transposition hash truly matcheseug-vs2023-01-25-9/+10
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* Revert "refactor: return recoverable errors from make_move"eug-vs2023-01-25-6/+3
| | | | This reverts commit 8dc121b0e08cd25fab3eacde9318d7adaac1f2a4.
* feat: implement iterative deepeningeug-vs2023-01-25-15/+30
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* feat: enable quiscence in negamaxeug-vs2023-01-25-12/+22
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* feat: implement move orderingeug-vs2023-01-25-0/+20
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* refactor: return recoverable errors from make_moveeug-vs2023-01-25-3/+6
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* feat: check PV move first but not discard otherseug-vs2023-01-25-10/+11
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* feat: only include PV nodes in transposition tableeug-vs2023-01-25-16/+0
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