Dev Builds » 20240411-2047

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 06:49:02 584702 4000 1477 625 1898 +75.15 ± 4.89 0 128 896 972 4 +157.24 ± 11.33
ncm-dbt-02 06:51:53 587557 4000 1470 645 1885 +72.7 ± 5.09 1 151 884 950 14 +149.68 ± 11.44
ncm-dbt-03 06:53:58 587834 4000 1456 602 1942 +75.34 ± 5.04 0 136 892 954 18 +154.7 ± 11.37
ncm-dbt-04 06:53:07 571943 4000 1434 623 1943 +71.43 ± 5.05 5 133 923 924 15 +147.4 ± 11.16
ncm-dbt-05 06:52:04 583368 4000 1464 639 1897 +72.7 ± 4.99 1 142 894 957 6 +151.35 ± 11.36
20000 7301 3134 9565 +73.46 ± 2.24 7 690 4489 4757 57 +152.06 ± 5.07

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
381580 ncm-dbt-03 587664 500 177 62 261 +81.36 ± 13.96 0 14 109 125 2 +169.27 ± 32.62
381579 ncm-dbt-04 570509 500 196 80 224 +82.1 ± 13.37 0 11 113 125 1 +172.78 ± 31.83
381578 ncm-dbt-05 582068 500 186 81 233 +74.06 ± 14.32 0 20 105 125 0 +155.54 ± 33.38
381577 ncm-dbt-02 586223 500 191 87 222 +73.33 ± 14.58 0 21 105 123 1 +152.18 ± 33.38
381576 ncm-dbt-01 583531 500 178 86 236 +64.66 ± 13.69 0 18 122 110 0 +134.15 ± 30.68
381575 ncm-dbt-03 587537 500 182 77 241 +74.06 ± 13.29 0 13 119 118 0 +155.54 ± 30.96
381574 ncm-dbt-05 580530 500 192 93 215 +69.71 ± 14.17 1 16 117 115 1 +145.54 ± 31.41
381573 ncm-dbt-04 573446 500 174 70 256 +73.33 ± 13.86 0 14 121 112 3 +148.85 ± 30.69
381572 ncm-dbt-02 585717 500 188 79 233 +76.97 ± 13.68 0 11 123 112 4 +155.54 ± 30.23
381571 ncm-dbt-01 587452 500 184 73 243 +78.43 ± 14.02 0 16 108 125 1 +164.07 ± 32.83
381570 ncm-dbt-03 587877 500 184 65 251 +84.3 ± 14.18 0 14 106 127 3 +174.55 ± 33.13
381569 ncm-dbt-05 582861 500 186 75 239 +78.43 ± 14.17 0 16 109 123 2 +162.35 ± 32.67
381568 ncm-dbt-04 570709 500 169 69 262 +70.43 ± 14.34 0 20 111 118 1 +145.54 ± 32.41
381567 ncm-dbt-02 585548 500 198 80 222 +83.57 ± 14.16 1 12 107 128 2 +176.33 ± 32.93
381566 ncm-dbt-01 585000 500 190 84 226 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
381565 ncm-dbt-03 588387 500 188 82 230 +74.79 ± 14.9 0 18 114 112 6 +147.19 ± 31.9
381564 ncm-dbt-05 583656 500 176 86 238 +63.23 ± 14.2 0 21 119 109 1 +129.35 ± 31.2
381563 ncm-dbt-04 568872 500 175 92 233 +58.21 ± 14.66 2 19 125 102 2 +119.89 ± 30.32
381562 ncm-dbt-02 587240 500 177 86 237 +63.94 ± 14.64 0 24 112 113 1 +130.94 ± 32.29
381561 ncm-dbt-01 584790 500 193 69 238 +88.0 ± 13.97 0 15 96 139 0 +189.0 ± 34.95
381560 ncm-dbt-05 583950 500 178 76 246 +71.88 ± 13.67 0 16 116 118 0 +150.51 ± 31.54
381559 ncm-dbt-04 573002 500 169 75 256 +66.1 ± 14.45 1 17 122 107 3 +134.15 ± 30.68
381558 ncm-dbt-03 586054 500 181 79 240 +71.88 ± 14.1 0 16 119 112 3 +145.54 ± 31.07
381557 ncm-dbt-02 588132 500 180 93 227 +61.07 ± 14.79 0 25 115 108 2 +123.02 ± 31.84
381556 ncm-dbt-01 581153 500 175 84 241 +63.95 ± 13.21 0 15 129 106 0 +132.54 ± 29.53
381555 ncm-dbt-05 582110 500 173 77 250 +67.55 ± 14.09 0 20 114 116 0 +140.62 ± 31.94
381554 ncm-dbt-03 586858 500 200 76 224 +88.0 ± 14.56 0 15 100 131 4 +181.7 ± 34.21
381553 ncm-dbt-02 588302 500 180 77 243 +72.61 ± 15.1 0 23 104 120 3 +147.19 ± 33.54
381552 ncm-dbt-04 569031 500 180 79 241 +71.16 ± 14.64 2 16 112 119 1 +150.51 ± 32.22
381551 ncm-dbt-01 582277 500 186 78 236 +76.25 ± 13.96 0 15 114 119 2 +157.24 ± 31.83
381550 ncm-dbt-03 586054 500 163 84 253 +55.36 ± 13.98 0 23 125 102 0 +113.68 ± 30.37
381549 ncm-dbt-05 585084 500 180 68 252 +79.17 ± 13.6 0 14 110 126 0 +167.53 ± 32.45
381548 ncm-dbt-04 571351 500 185 86 229 +69.71 ± 14.03 0 18 116 115 1 +143.89 ± 31.59
381547 ncm-dbt-02 588515 500 173 75 252 +68.99 ± 14.42 0 22 108 120 0 +143.89 ± 32.9
381546 ncm-dbt-01 586435 500 187 74 239 +79.9 ± 13.92 0 16 105 129 0 +169.27 ± 33.34
381545 ncm-dbt-03 592245 500 181 77 242 +73.34 ± 14.72 0 23 100 127 0 +153.86 ± 34.2
381544 ncm-dbt-05 586689 500 193 83 224 +77.7 ± 14.58 0 19 104 125 2 +160.64 ± 33.54
381543 ncm-dbt-04 578630 500 186 72 242 +80.63 ± 14.66 0 18 103 126 3 +165.8 ± 33.7
381542 ncm-dbt-02 590782 500 183 68 249 +81.36 ± 13.66 0 13 110 126 1 +171.02 ± 32.42
381541 ncm-dbt-01 586985 500 184 77 239 +75.52 ± 13.94 0 17 109 124 0 +158.93 ± 32.69

Commit

Commit ID 249eec67152d334d76c0f981907a6f5787289443
Author FauziAkram
Date 2024-04-11 20:47:40 UTC
Simplify the depth-dependent part of the best value adjustment formula in main search Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 139648 W: 36171 L: 36061 D: 67416 Ptnml(0-2): 545, 16685, 35282, 16739, 573 https://tests.stockfishchess.org/tests/view/660d953b8ff4a059828d625d Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 222894 W: 56519 L: 56505 D: 109870 Ptnml(0-2): 112, 25145, 60971, 25055, 164 https://tests.stockfishchess.org/tests/view/660fd4afbfeb43334bf7d558 closes https://github.com/official-stockfish/Stockfish/pull/5164 bench: 1479416
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