Simplify away extra conditions in countermoves based pruning. #3468
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Merged via 61e1c66, thanks :-) |
snicolet
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May 16, 2021
Simplify away two extra conditions in countermoves based pruning. These conditions (both of them) were introduced quite a long time ago via speculative LTCs and seem to no longer bring any benefit. passed STC https://tests.stockfishchess.org/tests/view/609e81f35085663412d08f31 LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 28488 W: 2487 L: 2382 D: 23619 Ptnml(0-2): 87, 1919, 10123, 2032, 83 passed LTC https://tests.stockfishchess.org/tests/view/609e9c085085663412d08f59 LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 33176 W: 1219 L: 1155 D: 30802 Ptnml(0-2): 13, 1036, 14423, 1106, 10 closes official-stockfish/Stockfish#3468 Bench: 4749514
snicolet
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May 17, 2021
Simplify away two extra conditions in countermoves based pruning. These conditions (both of them) were introduced quite a long time ago via speculative LTCs and seem to no longer bring any benefit. passed STC https://tests.stockfishchess.org/tests/view/609e81f35085663412d08f31 LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 28488 W: 2487 L: 2382 D: 23619 Ptnml(0-2): 87, 1919, 10123, 2032, 83 passed LTC https://tests.stockfishchess.org/tests/view/609e9c085085663412d08f59 LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 33176 W: 1219 L: 1155 D: 30802 Ptnml(0-2): 13, 1036, 14423, 1106, 10 closes official-stockfish/Stockfish#3468 Bench: 4749514
BM123499
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May 18, 2021
Simplify away two extra conditions in countermoves based pruning. These conditions (both of them) were introduced quite a long time ago via speculative LTCs and seem to no longer bring any benefit. passed STC https://tests.stockfishchess.org/tests/view/609e81f35085663412d08f31 LLR: 2.96 (-2.94,2.94) <-2.50,0.50> Total: 28488 W: 2487 L: 2382 D: 23619 Ptnml(0-2): 87, 1919, 10123, 2032, 83 passed LTC https://tests.stockfishchess.org/tests/view/609e9c085085663412d08f59 LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 33176 W: 1219 L: 1155 D: 30802 Ptnml(0-2): 13, 1036, 14423, 1106, 10 closes official-stockfish#3468 Bench: 4749514
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passed STC
https://tests.stockfishchess.org/tests/view/609e81f35085663412d08f31
LLR: 2.96 (-2.94,2.94) <-2.50,0.50>
Total: 28488 W: 2487 L: 2382 D: 23619
Ptnml(0-2): 87, 1919, 10123, 2032, 83
passed LTC
https://tests.stockfishchess.org/tests/view/609e9c085085663412d08f59
LLR: 2.95 (-2.94,2.94) <-2.50,0.50>
Total: 33176 W: 1219 L: 1155 D: 30802
Ptnml(0-2): 13, 1036, 14423, 1106, 10
This conditions (both of them) were introduced quite a long time ago via speculative LTCs and seem to no longer bring any benefit.
bench 4524255