Commit Graph
9 Commits
Author SHA1 Message Date
Shawn XuandJoost VandeVondele 4a2291ed33 Simplify Away Quadruple Extension
Passed non-regression VVLTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 90792 W: 23155 L: 23018 D: 44619
Ptnml(0-2): 6, 8406, 28432, 8549, 3
https://tests.stockfishchess.org/tests/view/664ffa4ca86388d5e27d8e7a

Passed non-regression VLTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 288136 W: 72608 L: 72659 D: 142869
Ptnml(0-2): 38, 30258, 83525, 30211, 36
https://tests.stockfishchess.org/tests/view/66551609a86388d5e27db9ae

closes https://github.com/official-stockfish/Stockfish/pull/5293

bench 1501735
2024-05-30 14:16:17 +02:00
Shawn XuandDisservin ae7eef51fd Simplify Fail Low Bonus Formula
Tested against PR #5299

Passed Non-regression STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 76352 W: 19797 L: 19619 D: 36936
Ptnml(0-2): 236, 9017, 19509, 9161, 253
https://tests.stockfishchess.org/tests/view/66564f60a86388d5e27dd307

Passed Non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 114624 W: 28946 L: 28821 D: 56857
Ptnml(0-2): 59, 12675, 31714, 12810, 54
https://tests.stockfishchess.org/tests/view/6656543da86388d5e27dd329

closes https://github.com/official-stockfish/Stockfish/pull/5301

Bench: 1212167
2024-05-29 19:01:50 +02:00
Shawn XuandDisservin c39b98b9e3 Simplify Away History Updates in Multicut
Passed Non-regression STC:
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 44896 W: 11600 L: 11388 D: 21908
Ptnml(0-2): 140, 5230, 11532, 5370, 176
https://tests.stockfishchess.org/tests/view/664cee31830eb9f886616a80

Passed Non-regression LTC:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 56832 W: 14421 L: 14234 D: 28177
Ptnml(0-2): 37, 6251, 15643, 6458, 27
https://tests.stockfishchess.org/tests/view/664cfd4e830eb9f886616aa6

closes https://github.com/official-stockfish/Stockfish/pull/5281

Bench: 1119412
2024-05-23 21:30:33 +02:00
Shawn XuandJoost VandeVondele f27a9be29c Reduce When TTValue is Above Alpha
Passed STC:
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 53376 W: 13818 L: 13476 D: 26082
Ptnml(0-2): 156, 6212, 13626, 6522, 172
https://tests.stockfishchess.org/tests/view/664aa261830eb9f8866145e5

Passed LTC:
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 393444 W: 100096 L: 99042 D: 194306
Ptnml(0-2): 191, 43516, 108248, 44582, 185
https://tests.stockfishchess.org/tests/view/664ab54f830eb9f88661463c

closes https://github.com/official-stockfish/Stockfish/pull/5276

Bench: 1024562
2024-05-21 08:40:37 +02:00
Shawn XuandJoost VandeVondele 4edd1a389e Simplify Away Quadruple Extensions
serendipitous gainer

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 95472 W: 24176 L: 24031 D: 47265
Ptnml(0-2): 52, 10533, 26414, 10692, 45
https://tests.stockfishchess.org/tests/live_elo/6647fa596dcff0d1d6b05efa

Passed VVLTC 70+7 th 7:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 6772 W: 1793 L: 1583 D: 3396
Ptnml(0-2): 0, 502, 2172, 712, 0
https://tests.stockfishchess.org/tests/live_elo/6648277a6dcff0d1d6b05ffb

Passed VVLTC 70+7 th 7 (2x):
https://tests.stockfishchess.org/tests/view/66484c896dcff0d1d6b0619d
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 5424 W: 1469 L: 1254 D: 2701
Ptnml(0-2): 0, 394, 1710, 607, 1

closes https://github.com/official-stockfish/Stockfish/pull/5259

Bench: 1441794
2024-05-18 09:32:21 +02:00
Shawn XuandJoost VandeVondele 285f1d2a66 Tweak NMP Formula
Passed STC:
LLR: 2.99 (-2.94,2.94) <0.00,2.00>
Total: 241728 W: 62440 L: 61811 D: 117477
Ptnml(0-2): 914, 28467, 61458, 29126, 899
https://tests.stockfishchess.org/tests/live_elo/6645992993ce6da3e93b5b99

Passed LTC:
LLR: 2.96 (-2.94,2.94) <0.50,2.50>
Total: 167850 W: 42620 L: 42030 D: 83200
Ptnml(0-2): 82, 18412, 46354, 18988, 89
https://tests.stockfishchess.org/tests/live_elo/6647c5726dcff0d1d6b05dd3

closes https://github.com/official-stockfish/Stockfish/pull/5257

Bench: 1636018
2024-05-18 09:26:42 +02:00
Shawn XuandJoost VandeVondele 540545d127 simplify away quietCheckEvasions pruning
simplifies away the pruning of quiet evasion moves in quiescent search.

Passed STC:
LLR: 2.98 (-2.94,2.94) <-1.75,0.25>
Total: 343520 W: 88356 L: 88470 D: 166694
Ptnml(0-2): 1061, 40073, 89706, 39759, 1161
https://tests.stockfishchess.org/tests/view/663c7ddfc0b75d7f7b980f3b

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 168744 W: 42454 L: 42384 D: 83906
Ptnml(0-2): 75, 18678, 46782, 18776, 61
https://tests.stockfishchess.org/tests/view/663ce34fc0b75d7f7b981ed9

closes https://github.com/official-stockfish/Stockfish/pull/5231

bench 3681552
2024-05-13 07:16:59 +02:00
Shawn XuandJoost VandeVondele c43425b0b1 Simplify Away Negative Extension
This patch simplifies away the negative extension applied when the value returned by the transposition table is assumed to fail low over the value of reduced search.

Passed STC:
LLR: 2.99 (-2.94,2.94) <-1.75,0.25>
Total: 248736 W: 64293 L: 64302 D: 120141
Ptnml(0-2): 925, 29833, 62831, 29884, 895
https://tests.stockfishchess.org/tests/view/663bee3bca93dad645f7f64a

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 254970 W: 64289 L: 64308 D: 126373
Ptnml(0-2): 110, 28428, 70422, 28421, 104
https://tests.stockfishchess.org/tests/view/663c11f0c0b75d7f7b97d4bb

closes https://github.com/official-stockfish/Stockfish/pull/5226

Bench: 2353057
2024-05-09 09:02:57 +02:00
Shawn XuandJoost VandeVondele e13e4cfb83 Simplify NMP Condition
Remove eval >= ss->staticEval condition for Null Move Pruning.

Passed non-regression STC:
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 44000 W: 11420 L: 11202 D: 21378
Ptnml(0-2): 174, 5243, 10978, 5401, 204
https://tests.stockfishchess.org/tests/live_elo/6603ee490ec64f0526c57984

Passed non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 82956 W: 20978 L: 20818 D: 41160
Ptnml(0-2): 54, 9353, 22499, 9523, 49
https://tests.stockfishchess.org/tests/live_elo/660464b50ec64f0526c5804d

closes https://github.com/official-stockfish/Stockfish/pull/5142

Bench 1759189
2024-03-29 10:18:40 +01:00