Dev Builds » 20240117-1755

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:55:12 584765 4002 1434 616 1952 +72.03 ± 5.01 0 141 916 929 15 +147.73 ± 11.21
ncm-dbt-02 06:55:17 586269 3998 1433 623 1942 +71.38 ± 5.02 1 144 910 932 12 +147.07 ± 11.25
ncm-dbt-03 06:53:54 587395 4000 1459 638 1903 +72.34 ± 4.92 4 118 942 925 11 +150.1 ± 11.01
ncm-dbt-04 06:55:02 570545 4012 1476 633 1903 +74.11 ± 4.94 0 127 924 940 15 +152.5 ± 11.14
ncm-dbt-05 06:56:10 583944 3988 1423 611 1954 +71.74 ± 5.04 1 144 903 934 12 +147.9 ± 11.3
20000 7225 3121 9654 +72.32 ± 2.23 6 674 4595 4660 65 +149.06 ± 5.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
401378 ncm-dbt-01 584916 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
401377 ncm-dbt-04 568315 12 6 1 5 +154.04 ± 216.13 0 1 1 2 2 +190.85 ± 619.3
401376 ncm-dbt-05 585674 488 172 80 236 +66.29 ± 14.57 0 21 111 111 1 +136.14 ± 32.4
401375 ncm-dbt-03 588004 500 172 67 261 +74.06 ± 13.44 0 13 120 116 1 +153.86 ± 30.8
401374 ncm-dbt-02 585843 498 170 76 252 +66.38 ± 15.05 0 27 101 121 0 +137.98 ± 33.98
401373 ncm-dbt-01 583992 500 185 82 233 +72.61 ± 14.27 0 18 113 117 2 +148.85 ± 32.06
401372 ncm-dbt-04 569989 500 187 85 228 +71.88 ± 13.96 0 15 121 111 3 +145.54 ± 30.73
401371 ncm-dbt-03 588132 500 173 87 240 +60.36 ± 13.64 1 15 132 101 1 +124.6 ± 29.14
401370 ncm-dbt-05 584622 500 176 75 249 +71.16 ± 14.08 0 19 111 120 0 +148.85 ± 32.4
401369 ncm-dbt-02 583824 500 191 81 228 +77.7 ± 13.86 0 15 111 123 1 +162.35 ± 32.31
401368 ncm-dbt-01 582485 500 187 71 242 +82.1 ± 14.27 0 15 107 125 3 +169.27 ± 32.98
401367 ncm-dbt-04 568355 500 184 73 243 +78.43 ± 13.58 0 13 114 122 1 +164.07 ± 31.75
401366 ncm-dbt-03 587197 500 182 76 242 +74.79 ± 14.34 0 17 113 117 3 +152.18 ± 32.04
401365 ncm-dbt-05 581361 500 172 71 257 +71.16 ± 14.22 0 20 109 121 0 +148.85 ± 32.73
401364 ncm-dbt-01 584076 500 170 80 250 +63.23 ± 14.34 0 23 114 113 0 +130.94 ± 31.98
401363 ncm-dbt-02 587622 500 184 68 248 +82.1 ± 13.52 0 13 108 129 0 +174.55 ± 32.75
401362 ncm-dbt-04 570749 500 190 81 229 +76.97 ± 14.13 0 16 111 121 2 +158.93 ± 32.34
401361 ncm-dbt-03 587325 500 184 85 231 +69.71 ± 13.88 1 13 124 110 2 +143.89 ± 30.23
401360 ncm-dbt-01 584034 500 181 85 234 +67.54 ± 14.51 0 22 111 116 1 +138.99 ± 32.43
401359 ncm-dbt-02 584916 500 187 75 238 +79.17 ± 14.04 1 10 119 116 4 +162.35 ± 30.85
401358 ncm-dbt-05 583950 500 176 71 253 +74.06 ± 14.18 0 16 116 115 3 +150.51 ± 31.54
401357 ncm-dbt-04 571070 500 185 84 231 +71.16 ± 15.05 0 21 112 112 5 +140.62 ± 32.26
401356 ncm-dbt-03 585801 500 187 88 225 +69.71 ± 13.74 1 12 126 109 2 +143.89 ± 29.88
401355 ncm-dbt-02 587622 500 170 82 248 +61.79 ± 14.68 0 25 113 111 1 +126.18 ± 32.14
401354 ncm-dbt-01 584874 500 165 67 268 +68.99 ± 13.71 0 15 124 109 2 +140.62 ± 30.27
401353 ncm-dbt-04 571833 500 175 75 250 +70.44 ± 13.47 0 15 120 115 0 +147.19 ± 30.88
401352 ncm-dbt-05 590053 500 197 74 229 +87.26 ± 14.4 0 16 97 135 2 +183.51 ± 34.76
401351 ncm-dbt-03 586308 500 188 79 233 +76.98 ± 13.07 0 11 119 120 0 +162.35 ± 30.85
401350 ncm-dbt-02 586435 500 174 74 252 +70.43 ± 13.32 0 13 125 111 1 +145.54 ± 30.03
401349 ncm-dbt-01 584706 500 173 78 249 +66.82 ± 14.62 0 21 116 110 3 +134.15 ± 31.65
401348 ncm-dbt-04 569031 500 182 87 231 +66.82 ± 14.48 0 22 112 115 1 +137.37 ± 32.27
401347 ncm-dbt-05 583405 500 176 73 251 +72.61 ± 13.84 1 12 122 113 2 +150.51 ± 30.49
401346 ncm-dbt-03 586901 500 178 78 244 +70.44 ± 14.75 0 24 102 124 0 +147.19 ± 33.86
401345 ncm-dbt-01 586435 500 187 79 234 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34
401344 ncm-dbt-02 585759 500 167 81 252 +60.36 ± 14.21 0 23 118 109 0 +124.6 ± 31.38
401343 ncm-dbt-04 571551 500 182 67 251 +81.36 ± 13.96 0 15 106 128 1 +171.02 ± 33.15
401342 ncm-dbt-05 578918 500 171 90 239 +56.78 ± 14.86 0 27 117 104 2 +113.68 ± 31.56
401341 ncm-dbt-03 589497 500 195 78 227 +82.83 ± 14.29 1 13 106 128 2 +174.55 ± 33.13
401340 ncm-dbt-02 588132 500 190 86 224 +73.33 ± 14.72 0 18 115 112 5 +145.54 ± 31.75
401339 ncm-dbt-04 574013 500 185 80 235 +74.06 ± 12.66 0 9 127 114 0 +155.54 ± 29.48
401338 ncm-dbt-01 587367 500 186 74 240 +79.17 ± 13.6 0 11 119 117 3 +162.35 ± 30.85
401337 ncm-dbt-05 583572 500 183 77 240 +74.79 ± 13.62 0 13 120 115 2 +153.86 ± 30.8

Commit

Commit ID 9a9702d668af807b9044fef5a83f6ed0854ce44f
Author FauziAkram
Date 2024-01-17 17:55:44 UTC
Remove threatenedByPawn from rook threat Can be simplified away. Passed STC: https://tests.stockfishchess.org/tests/view/65a3fa4179aa8af82b96face LLR: 2.92 (-2.94,2.94) <-1.75,0.25> Total: 30592 W: 7903 L: 7674 D: 15015 Ptnml(0-2): 96, 3590, 7711, 3787, 112 Passed LTC: https://tests.stockfishchess.org/tests/view/65a42b9a79aa8af82b96fe88 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 73656 W: 18382 L: 18212 D: 37062 Ptnml(0-2): 47, 8287, 19981, 8475, 38 closes https://github.com/official-stockfish/Stockfish/pull/4993 Bench: 1430061
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