Dev Builds » 20230128-1554

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 06:58:07 583282 4000 1212 849 1939 +31.62 ± 5.23 7 288 1046 653 6 +63.95 ± 10.5
ncm-dbt-02 06:57:33 586676 4000 1262 852 1886 +35.74 ± 5.1 3 265 1053 677 2 +72.43 ± 10.44
ncm-dbt-03 06:59:47 584050 4006 1238 854 1914 +33.41 ± 5.14 1 286 1048 664 4 +66.9 ± 10.48
ncm-dbt-04 06:59:39 569733 4012 1231 857 1924 +32.48 ± 5.0 2 261 1112 623 8 +64.47 ± 10.1
ncm-dbt-05 06:59:49 578641 3982 1211 881 1890 +28.86 ± 5.16 9 278 1085 612 7 +58.48 ± 10.26
20000 6154 4293 9553 +32.42 ± 2.29 22 1378 5344 3229 27 +65.24 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
430609 ncm-dbt-03 584369 6 3 2 1 +58.33 ± 98.71 0 0 2 1 0 +120.24 ± 264.77 ↓
430608 ncm-dbt-04 567958 12 4 4 4 -0.0 ± 81.87 0 1 4 1 0 -0.0 ± 173.65 ↓
430607 ncm-dbt-05 580157 482 159 109 214 +36.17 ± 15.37 2 31 124 83 1 +74.65 ± 30.57 ↓
430606 ncm-dbt-01 584285 500 152 112 236 +27.85 ± 15.74 3 38 127 80 2 +57.5 ± 30.27 ↓
430605 ncm-dbt-02 585042 500 151 113 236 +26.46 ± 14.52 0 40 132 78 0 +53.22 ± 29.61 ↓
430604 ncm-dbt-03 584622 500 150 101 249 +34.16 ± 14.13 0 32 138 79 1 +67.55 ± 28.74 ↓
430603 ncm-dbt-04 570029 500 147 105 248 +29.25 ± 14.46 1 34 138 76 1 +58.93 ± 28.79 ↓
430602 ncm-dbt-05 577930 500 153 112 235 +28.56 ± 14.14 1 33 140 76 0 +58.93 ± 28.51 ↓
430601 ncm-dbt-01 582611 500 149 101 250 +33.46 ± 15.61 0 45 112 93 0 +67.55 ± 32.2 ↓
430600 ncm-dbt-02 583740 500 154 96 250 +40.48 ± 13.85 0 28 136 86 0 +82.1 ± 28.94 ↓
430599 ncm-dbt-03 574622 500 150 111 239 +27.15 ± 14.7 0 41 129 80 0 +54.65 ± 30.01 ↓
430598 ncm-dbt-04 569111 500 144 103 253 +28.55 ± 14.01 0 34 142 73 1 +56.07 ± 28.24 ↓
430597 ncm-dbt-05 572679 500 143 103 254 +27.85 ± 14.62 0 38 136 74 2 +53.22 ± 29.08 ↓
430596 ncm-dbt-01 581361 500 143 118 239 +17.39 ± 13.69 1 36 150 63 0 +36.26 ± 27.22 ↓
430595 ncm-dbt-02 588515 500 159 108 233 +35.56 ± 15.12 1 37 122 90 0 +73.34 ± 30.91 ↓
430594 ncm-dbt-03 587155 500 155 106 239 +34.16 ± 14.78 1 35 128 86 0 +70.44 ± 30.11 ↓
430593 ncm-dbt-04 569669 500 149 106 245 +29.95 ± 14.5 0 37 134 78 1 +58.93 ± 29.33 ↓
430592 ncm-dbt-05 580489 500 151 114 235 +25.76 ± 14.47 2 34 139 75 0 +54.65 ± 28.67 ↓
430591 ncm-dbt-01 581902 500 158 119 223 +27.16 ± 14.31 1 33 144 70 2 +53.22 ± 27.98 ↓
430590 ncm-dbt-02 588472 500 165 106 229 +41.19 ± 14.7 0 34 123 93 0 +83.57 ± 30.77 ↓
430589 ncm-dbt-03 586097 500 145 106 249 +27.15 ± 15.08 0 44 123 83 0 +54.65 ± 30.79 ↓
430588 ncm-dbt-04 569151 500 160 104 236 +39.08 ± 13.9 0 29 136 85 0 +79.17 ± 28.96 ↓
430587 ncm-dbt-05 577192 500 147 103 250 +30.65 ± 13.89 0 32 143 74 1 +60.36 ± 28.08 ↓
430586 ncm-dbt-02 587367 500 162 113 225 +34.16 ± 13.15 0 26 149 75 0 +68.99 ± 27.14 ↓
430585 ncm-dbt-03 584285 500 157 107 236 +34.86 ± 14.04 0 32 136 82 0 +70.44 ± 29.01 ↓
430584 ncm-dbt-01 582527 500 144 89 267 +38.37 ± 15.04 1 35 122 92 0 +79.17 ± 30.91 ↓
430583 ncm-dbt-04 569151 500 168 117 215 +35.56 ± 14.08 0 31 138 80 1 +70.44 ± 28.73 ↓
430582 ncm-dbt-05 581860 500 145 112 243 +22.96 ± 14.27 0 40 137 73 0 +46.13 ± 28.97 ↓
430581 ncm-dbt-02 586985 500 156 108 236 +33.46 ± 14.61 0 37 128 85 0 +67.55 ± 30.12 ↓
430580 ncm-dbt-01 583908 500 161 106 233 +38.37 ± 15.04 0 37 122 90 1 +76.25 ± 30.91 ↓
430579 ncm-dbt-04 570549 500 158 99 243 +41.19 ± 14.7 0 33 126 90 1 +82.1 ± 30.36 ↓
430578 ncm-dbt-03 586943 500 152 107 241 +31.35 ± 13.94 0 32 142 75 1 +61.79 ± 28.21 ↓
430577 ncm-dbt-02 586943 500 163 103 234 +41.89 ± 14.87 1 31 126 91 1 +85.04 ± 30.35 ↓
430576 ncm-dbt-01 585843 500 154 109 237 +31.36 ± 14.47 1 34 134 81 0 +64.66 ± 29.31 ↓
430575 ncm-dbt-05 579124 500 151 110 239 +28.55 ± 15.54 3 35 133 76 3 +57.5 ± 29.47 ↓
430574 ncm-dbt-04 570268 500 144 97 259 +32.75 ± 14.03 0 31 143 74 2 +63.23 ± 28.06 ↓
430573 ncm-dbt-03 584411 500 163 117 220 +32.05 ± 15.03 0 41 122 87 0 +64.66 ± 30.91 ↓
430572 ncm-dbt-02 586350 500 152 105 243 +32.76 ± 14.43 1 32 137 79 1 +66.1 ± 28.89 ↓
430571 ncm-dbt-01 583824 500 151 95 254 +39.08 ± 14.17 0 30 135 84 1 +77.71 ± 29.11 ↓
430570 ncm-dbt-05 579702 500 162 118 220 +30.65 ± 14.55 1 35 133 81 0 +63.23 ± 29.45 ↓
430569 ncm-dbt-04 571712 500 157 122 221 +24.36 ± 13.7 1 31 151 66 1 +48.96 ± 27.01 ↓
430568 ncm-dbt-03 583950 500 163 97 240 +46.13 ± 14.58 0 29 128 91 2 +90.97 ± 30.05 ↓

Commit

Commit ID e4e61cd9cc953e6bc17070da84639d53b7514709
Author MinetaS
Date 2023-01-28 15:54:30 UTC
Remove maxNextDepth This patch allows full PV search to have double extensions as well when extension == 1 && doDeeperSearch && doEvenDeeperSearch && !doShallowerSearch is true, which is extremely rare to occur. Passed non-regression STC (master 3d2381d): LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 370824 W: 97835 L: 97974 D: 175015 Ptnml(0-2): 1073, 38814, 105731, 38767, 1027 https://tests.stockfishchess.org/tests/view/63c89416a83c702aac08314c Passed non-regression LTC (master 3d2381d): LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 306048 W: 81173 L: 81237 D: 143638 Ptnml(0-2): 117, 27977, 96901, 27911, 118 https://tests.stockfishchess.org/tests/view/63cc4e84344bb01c191b2658 Bench: 4208265
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