Rating CEDR=3761
Timestamp: 1714565450
Use capture history to better judge which sacrifices to explore
This idea has been bouncing around a while. @Vizvezdenec tried it a couple years ago in Stockfish without results, but its recent arrival in Ethereal inspired him and thence me to try it afresh in Stockfish.
(Also factor out the now-common code with futpruning for captures.)
STC:
https://tests.stockfishchess.org/tests/view/662355bc3fe04ce4cefc18ac
LLR: 2.92 (-2.94,2.94) <0.00,2.00>
Total: 45760 W: 11970 L: 11640 D: 22150 Elo +2.51
Ptnml(0-2): 124, 5371, 11625, 5571, 189
LTC:
https://tests.stockfishchess.org/tests/view/662dda396115ff6764c817c9
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 243828 W: 62042 L: 61287 D: 120499 Elo +1.08
Ptnml(0-2): 211, 27202, 66329, 27965, 207
closes https://github.com/official-stockfish/Stockfish/pull/5200
Bench: 1480008
Stockfish 20240210 - results:
Stockfish 16.1 | 13.5/26 | +1 | 26 Games |
Deep Blue 20240315-killer | 13/26 | +0 | 26 Games |
Yuliirma 4.0 | 13/26 | +0 | 26 Games |
Raid 3.6 TR | 13/26 | +0 | 26 Games |
Yuli GM Pro 16 | 12.5/26 | -1 | 26 Games |
JigSaw 5.5i | 12.5/26 | -1 | 26 Games |
Crystal 8 | 14/24 | +4 | 24 Games |
Marauders 3.3i | 13/24 | +2 | 24 Games |
Cool Iris 12.20 D-3072 | 12.5/24 | +1 | 24 Games |
Brainlearn 28 | 12.5/24 | +1 | 24 Games |
ShashChess 35.2 | 12/24 | +0 | 24 Games |
HypnoS 220424 | 12/24 | +0 | 24 Games |
SF-PRO 13.04.2024 | 11.5/22 | +1 | 22 Games |
CorChess 20240422 | 11.5/22 | +1 | 22 Games |
RubiChess 20240112 | 4/6 | +2 | 6 Games |
Obsidian 12.0 | 3.5/6 | +1 | 6 Games |
SugaR AI SE | 3/6 | +0 | 6 Games |
Berserk 13 | 3/6 | +0 | 6 Games |
AbbyStein 2.8 | 2.5/5 | +0 | 5 Games |
Ethereal 14.25 | 3/4 | +2 | 4 Games |
PlentyChess 1.0.0 | 2/4 | +0 | 4 Games |
Download:
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