Dev Builds » 20231008-0552

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 06:55:23 582442 4010 1423 690 1897 +64.23 ± 5.08 1 171 938 884 11 +131.18 ± 11.09
ncm-dbt-02 06:54:57 585770 4000 1380 686 1934 +60.9 ± 5.08 2 181 943 869 5 +125.19 ± 11.06
ncm-dbt-03 06:52:46 583752 4000 1443 642 1915 +70.53 ± 5.12 3 150 907 923 17 +144.51 ± 11.28
ncm-dbt-04 06:55:25 568873 4004 1415 642 1947 +67.93 ± 5.04 3 147 939 900 13 +139.45 ± 11.06
ncm-dbt-05 06:56:10 579092 3986 1393 664 1929 +64.27 ± 5.04 2 156 959 863 13 +131.05 ± 10.94
20000 7054 3324 9622 +65.56 ± 2.27 11 805 4686 4439 59 +134.23 ± 4.96

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
422565 ncm-dbt-01 579702 10 5 1 4 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
422564 ncm-dbt-04 569390 4 2 2 0 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
422563 ncm-dbt-05 580821 486 159 92 235 +48.2 ± 13.75 0 21 135 86 1 +96.79 ± 28.79
422562 ncm-dbt-02 585421 500 180 89 231 +63.95 ± 14.37 1 19 119 110 1 +132.54 ± 31.18
422561 ncm-dbt-03 582652 500 180 85 235 +66.82 ± 13.92 0 19 117 114 0 +138.99 ± 31.46
422560 ncm-dbt-04 569350 500 186 73 241 +79.9 ± 14.36 1 13 111 122 3 +165.8 ± 32.28
422559 ncm-dbt-01 583656 500 170 72 258 +68.99 ± 14.28 0 20 113 116 1 +142.26 ± 32.1
422558 ncm-dbt-05 582402 500 173 68 259 +74.06 ± 14.46 0 18 112 117 3 +150.51 ± 32.22
422557 ncm-dbt-02 585042 500 170 78 252 +64.66 ± 14.26 0 20 120 108 2 +130.94 ± 31.03
422556 ncm-dbt-03 582110 500 186 79 235 +75.52 ± 14.23 0 17 111 120 2 +155.54 ± 32.36
422555 ncm-dbt-04 569589 500 174 88 238 +60.36 ± 14.35 1 20 122 106 1 +124.6 ± 30.76
422554 ncm-dbt-01 581153 500 179 92 229 +61.07 ± 14.52 0 24 116 109 1 +124.6 ± 31.69
422553 ncm-dbt-05 579001 500 179 90 231 +62.51 ± 14.72 1 21 118 108 2 +127.76 ± 31.37
422552 ncm-dbt-04 567878 500 164 82 254 +57.5 ± 14.22 1 19 129 99 2 +116.78 ± 29.72
422551 ncm-dbt-02 585464 500 176 78 246 +68.99 ± 14.42 0 22 108 120 0 +143.89 ± 32.9
422550 ncm-dbt-01 581943 500 182 89 229 +65.38 ± 14.56 0 21 118 108 3 +130.94 ± 31.35
422549 ncm-dbt-03 585717 500 175 79 246 +67.54 ± 13.65 0 13 132 101 4 +134.15 ± 28.99
422548 ncm-dbt-02 584243 500 181 86 233 +66.82 ± 14.2 0 20 116 113 1 +137.37 ± 31.63
422547 ncm-dbt-05 578671 500 174 85 241 +62.51 ± 15.11 0 27 109 112 2 +126.18 ± 32.74
422546 ncm-dbt-03 584201 500 182 84 234 +68.99 ± 15.63 1 25 102 119 3 +140.62 ± 33.84
422545 ncm-dbt-01 583405 500 183 91 226 +64.66 ± 13.97 0 18 124 106 2 +130.94 ± 30.38
422544 ncm-dbt-04 566651 500 171 80 249 +63.94 ± 13.8 0 18 124 107 1 +130.94 ± 30.38
422543 ncm-dbt-05 581735 500 180 88 232 +64.66 ± 14.12 0 20 119 110 1 +132.54 ± 31.18
422542 ncm-dbt-03 583866 500 191 77 232 +80.63 ± 15.08 1 18 100 128 3 +167.53 ± 34.22
422541 ncm-dbt-02 586181 500 161 87 252 +51.8 ± 14.22 0 26 124 100 0 +106.01 ± 30.56
422540 ncm-dbt-04 569350 500 175 79 246 +67.54 ± 14.92 0 24 108 116 2 +137.37 ± 32.9
422539 ncm-dbt-01 584958 500 176 84 240 +64.66 ± 14.4 0 23 112 115 0 +134.15 ± 32.28
422538 ncm-dbt-03 583950 500 176 76 248 +70.44 ± 14.89 1 20 109 118 2 +145.54 ± 32.74
422537 ncm-dbt-05 577110 500 176 86 238 +63.23 ± 13.77 0 18 125 106 1 +129.35 ± 30.24
422536 ncm-dbt-02 586223 500 166 77 257 +62.51 ± 14.17 0 21 120 108 1 +127.76 ± 31.05
422535 ncm-dbt-04 569629 500 175 86 239 +62.51 ± 14.44 0 21 122 104 3 +124.6 ± 30.76
422534 ncm-dbt-01 582652 500 177 95 228 +57.5 ± 14.22 0 22 126 100 2 +115.23 ± 30.2
422533 ncm-dbt-03 583908 500 172 87 241 +59.64 ± 13.61 0 19 127 104 0 +123.02 ± 29.98
422532 ncm-dbt-05 575435 500 184 75 241 +76.97 ± 13.38 0 12 118 119 1 +160.64 ± 31.07
422531 ncm-dbt-02 586901 500 171 95 234 +53.22 ± 14.42 0 27 120 103 0 +109.07 ± 31.14
422530 ncm-dbt-01 581818 500 169 79 252 +63.23 ± 14.06 0 21 118 111 0 +130.94 ± 31.35
422529 ncm-dbt-04 569230 500 178 85 237 +65.38 ± 14.14 0 20 118 111 1 +134.15 ± 31.33
422528 ncm-dbt-03 583614 500 181 75 244 +74.79 ± 14.63 0 19 109 119 3 +152.18 ± 32.72
422527 ncm-dbt-01 582694 500 182 87 231 +66.82 ± 15.02 1 22 110 115 2 +137.37 ± 32.59
422526 ncm-dbt-04 568792 500 190 67 243 +87.26 ± 13.49 0 12 103 135 0 +187.16 ± 33.6
422525 ncm-dbt-05 577561 500 168 80 252 +61.79 ± 14.41 1 19 123 105 2 +126.18 ± 30.59
422524 ncm-dbt-02 586689 500 175 96 229 +55.36 ± 14.79 1 26 116 107 0 +115.23 ± 31.71

Commit

Commit ID f7fbc6880efae2ec9d97d6f1d65e2ad00547e32c
Author gabe
Date 2023-10-08 05:52:16 UTC
Avoid recomputing moveCountPruning In search, when moveCountPruning becomes true, it can never turn false again. Passed STC https://tests.stockfishchess.org/tests/view/652075ceac57711436728aac LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 136448 W: 34923 L: 34472 D: 67053 Ptnml(0-2): 420, 15094, 36767, 15501, 442 closes https://github.com/official-stockfish/Stockfish/pull/4823 Non functional change
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