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Tweak cutnode reduction #2868

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@locutus2 locutus2 commented Jul 30, 2020

Less reduction for second move at non-check CUT node with depth <= 10

STC:
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 38680 W: 7490 L: 7245 D: 23945
Ptnml(0-2): 643, 4441, 8967, 4606, 683
https://tests.stockfishchess.org/tests/view/5f21e1782f7e63962b99f451

LTC:
LLR: 2.95 (-2.94,2.94) {0.25,1.75}
Total: 71976 W: 9003 L: 8636 D: 54337
Ptnml(0-2): 440, 6414, 21972, 6663, 499
https://tests.stockfishchess.org/tests/view/5f2245762f7e63962b99f4bd

Bench: 4623578

STC:
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 38680 W: 7490 L: 7245 D: 23945
Ptnml(0-2): 643, 4441, 8967, 4606, 683
https://tests.stockfishchess.org/tests/view/5f21e1782f7e63962b99f451

LTC:
LLR: 2.95 (-2.94,2.94) {0.25,1.75}
Total: 71976 W: 9003 L: 8636 D: 54337
Ptnml(0-2): 440, 6414, 21972, 6663, 499
https://tests.stockfishchess.org/tests/view/5f2245762f7e63962b99f4bd

Bench: 4623578
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silversolver1 commented Jul 30, 2020

perhaps we should specify them as non-inCheck cut nodes so as to differentiate them from nodes that givesCheck?

@snicolet snicolet changed the title Less reduction for second move at non-check CUT node with depth <= 10. Tweak cutnode reduction Jul 31, 2020
@snicolet snicolet added the to be merged Will be merged shortly label Jul 31, 2020
@snicolet snicolet closed this in 9587eee Jul 31, 2020
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Merged via 9587eee, congrats :-)

noobpwnftw pushed a commit to noobpwnftw/Stockfish that referenced this pull request Aug 15, 2020
Less reduction for second move at non-check CUT node with depth <= 10.

STC:
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 38680 W: 7490 L: 7245 D: 23945
Ptnml(0-2): 643, 4441, 8967, 4606, 683
https://tests.stockfishchess.org/tests/view/5f21e1782f7e63962b99f451

LTC:
LLR: 2.95 (-2.94,2.94) {0.25,1.75}
Total: 71976 W: 9003 L: 8636 D: 54337
Ptnml(0-2): 440, 6414, 21972, 6663, 499
https://tests.stockfishchess.org/tests/view/5f2245762f7e63962b99f4bd

closes official-stockfish#2868

Bench: 4746616
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