Modify ttPv Reduction #4994
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Modify ttPv Reduction #4994
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bench 1376648
Disservin
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windfishballad
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Jan 23, 2024
This patch allows a partial reduction decrease when a node is likely to fail low, and increases the reduction decrease when a node has failed high. Passed STC: https://tests.stockfishchess.org/tests/view/65a626e779aa8af82b9722bc LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 157824 W: 40332 L: 39835 D: 77657 Ptnml(0-2): 543, 18617, 40098, 19108, 546 Passed LTC: https://tests.stockfishchess.org/tests/view/65a7290279aa8af82b97328a LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 57228 W: 14475 L: 14111 D: 28642 Ptnml(0-2): 34, 6278, 15633, 6628, 41 closes official-stockfish#4994 Bench: 1364759
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This patch allows a partial reduction decrease when a node is likely to fail low, and increases the reduction decrease when a node has failed high.
Passed STC:
https://tests.stockfishchess.org/tests/view/65a626e779aa8af82b9722bc
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 157824 W: 40332 L: 39835 D: 77657
Ptnml(0-2): 543, 18617, 40098, 19108, 546
Passed LTC:
https://tests.stockfishchess.org/tests/view/65a7290279aa8af82b97328a
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 57228 W: 14475 L: 14111 D: 28642
Ptnml(0-2): 34, 6278, 15633, 6628, 41
Bench: 1376648