 peregrineshahinandJoost VandeVondele
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48f7c74f15
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Fix Potential in TB cutoffs for NMP.
Removes the second dependency on beta and caps the return value to VALUE_TB_WIN_IN_MAX_PLY - 1
Earlier tests:
STC:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 193632 W: 51372 L: 51326 D: 90934
Ptnml(0-2): 447, 20111, 55687, 20091, 480
https://tests.stockfishchess.org/tests/view/6486ee4465ffe077ca125bc1
LTC:
LLR: 2.97 (-2.94,2.94) <-1.75,0.25>
Total: 331758 W: 89538 L: 89624 D: 152596
Ptnml(0-2): 114, 30121, 105516, 29993, 135
https://tests.stockfishchess.org/tests/view/6489401af42a44347ed7be42
updated constant:
LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 100260 W: 27143 L: 27017 D: 46100
Ptnml(0-2): 34, 8842, 32248, 8976, 30
https://tests.stockfishchess.org/tests/view/6492fcafdc7002ce609c818c
closes: https://github.com/official-stockfish/Stockfish/pull/4632
fixes: https://github.com/official-stockfish/Stockfish/issues/4598
bench: 2370027
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2023-06-22 10:26:17 +02:00 |
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peregrineshahinandJoost VandeVondele
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14bfec2a98
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Consistent bench extraction with fishtest.
Consistent with recent fishtest commit https://github.com/glinscott/fishtest/commit/c0d174396f7fb1c0b3243aaa6cc73769079f3ff9
closes https://github.com/official-stockfish/Stockfish/pull/4619
No functional change
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2023-06-14 18:34:57 +02:00 |
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peregrineshahinandJoost VandeVondele
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b60738e01b
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Fix no previous moves on root.
guards against no previous move existing if qSearch is called on the root node (i.e. when razoring).
Passed Non-regression STC:
https://tests.stockfishchess.org/tests/view/647d242d726f6b400e408143
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 53120 W: 14167 L: 13976 D: 24977
Ptnml(0-2): 109, 5597, 14981, 5740, 133
closes https://github.com/official-stockfish/Stockfish/pull/4604
Bench: 2551691
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2023-06-06 21:07:43 +02:00 |
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peregrineshahinandJoost VandeVondele
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28442195c7
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Clean up after "Simplify away complexity in evaluation"
closes https://github.com/official-stockfish/Stockfish/pull/4555
No functional change.
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2023-05-07 22:31:03 +02:00 |
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peregrineshahinandJoost VandeVondele
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4ad2713e19
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Fix capturing underpromotions issue
Fix underpromotion captures are generated amongst quiets although dealt with as a capture_stage in search, this makes not skipping them when move count pruning kicks-in consistent with updating their histories amongst captures.
Passed STC:
https://tests.stockfishchess.org/tests/view/6415579f65775d3b539e7537
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 118896 W: 31678 L: 31553 D: 55665
Ptnml(0-2): 356, 12911, 32793, 13028, 360
Passed LTC:
https://tests.stockfishchess.org/tests/view/641633b965775d3b539e9e95
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 126800 W: 34255 L: 34148 D: 58397
Ptnml(0-2): 57, 12216, 38763, 12291, 73
see also discussion in https://github.com/official-stockfish/Stockfish/pull/4436
closes https://github.com/official-stockfish/Stockfish/pull/4452
bench: 3979409
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2023-04-12 20:38:43 +02:00 |
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peregrineshahinandJoost VandeVondele
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3f01e3f41f
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Allow PvNode in futility pruning for captures.
Passed non-regression STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 148128 W: 39428 L: 39333 D: 69367
Ptnml(0-2): 492, 16326, 40315, 16457, 474
https://tests.stockfishchess.org/tests/view/641c2dbfdb43ab2ba6f804e8
Passed non-regression LTC:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 376256 W: 100906 L: 101039 D: 174311
Ptnml(0-2): 186, 36697, 114494, 36566, 185
https://tests.stockfishchess.org/tests/view/641d33b2db43ab2ba6f83338
closes https://github.com/official-stockfish/Stockfish/pull/4470
bench: 4935616
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2023-03-29 21:46:23 +02:00 |
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peregrineshahinandJoost VandeVondele
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515b66f188
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Fix null move issue
Fix altering for stats landing on B1 Square after a null move and fix considering counter-moves on A1 for root node.
fixes https://github.com/official-stockfish/Stockfish/issues/4333 by preventing calls to from_sq and to_sq functions over null-moves and none-moves.
closes https://github.com/official-stockfish/Stockfish/pull/4448
bench: 4980082
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2023-03-19 11:25:48 +01:00 |
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peregrineshahinandJoost VandeVondele
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1370127fcd
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Simplify both quiet check evasions' conditions
passed Non-regression STC:
https://tests.stockfishchess.org/tests/view/6370b647f1b748d4819e0b64
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 162904 W: 43249 L: 43171 D: 76484
Ptnml(0-2): 491, 17089, 46220, 17155, 497
closes https://github.com/official-stockfish/Stockfish/pull/4228
No functional change
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2022-11-23 21:36:22 +01:00 |
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peregrineshahinandJoost VandeVondele
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232bf19be4
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Simplify both position calls in useClassical
Simplify the use of classical evaluation when using default settings to only be dependent on piece count and decisive PSQ
passed STC:
https://tests.stockfishchess.org/tests/view/632d32a7006ef9eb96d86ce9
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 108048 W: 28904 L: 28763 D: 50381
Ptnml(0-2): 383, 12060, 29006, 12183, 392
passed LTC:
https://tests.stockfishchess.org/tests/view/632d705a006ef9eb96d87649
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 76600 W: 20671 L: 20516 D: 35413
Ptnml(0-2): 34, 7533, 23023, 7664, 46
Inspired by sorais, credit to him.
closes https://github.com/official-stockfish/Stockfish/pull/4177
bench 4173163
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2022-09-27 07:54:36 +02:00 |
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