Dev Builds » 20230405-0613

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 06:58:20 584287 4008 1273 818 1917 +39.61 ± 5.22 3 270 1005 721 5 +79.92 ± 10.73
ncm-dbt-02 06:56:54 586531 3990 1233 814 1943 +36.62 ± 5.09 0 265 1050 676 4 +73.34 ± 10.46
ncm-dbt-03 06:56:43 584007 4000 1276 813 1911 +40.4 ± 5.11 9 228 1059 699 5 +82.65 ± 10.39
ncm-dbt-04 06:57:55 569376 4002 1257 806 1939 +39.32 ± 5.06 4 237 1071 682 7 +79.13 ± 10.32
ncm-dbt-05 06:58:09 578169 4000 1241 803 1956 +38.2 ± 5.11 2 249 1072 663 14 +75.15 ± 10.32
20000 6280 4054 9666 +38.83 ± 2.29 18 1249 5257 3441 35 +78.03 ± 4.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
428366 ncm-dbt-04 570348 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
428365 ncm-dbt-01 584832 8 2 1 5 +43.58 ± 76.58 0 0 3 1 0 +88.62 ± 172.94
428364 ncm-dbt-02 587197 490 154 106 230 +34.14 ± 14.9 0 37 123 85 0 +68.96 ± 30.76
428363 ncm-dbt-05 579083 500 151 95 254 +39.08 ± 14.31 0 31 133 85 1 +77.71 ± 29.4
428362 ncm-dbt-03 582527 500 163 101 236 +43.3 ± 14.29 1 26 134 88 1 +88.0 ± 29.2
428361 ncm-dbt-04 569549 500 162 95 243 +46.84 ± 14.75 1 28 125 95 1 +95.44 ± 30.46
428360 ncm-dbt-01 585253 500 157 102 241 +38.37 ± 14.92 1 34 124 91 0 +79.17 ± 30.64
428359 ncm-dbt-02 587070 500 153 102 245 +35.56 ± 14.35 0 33 134 82 1 +70.44 ± 29.29
428358 ncm-dbt-05 576210 500 139 92 269 +32.75 ± 14.56 0 34 138 75 3 +61.79 ± 28.77
428357 ncm-dbt-04 567759 500 149 92 259 +39.78 ± 14.35 1 29 132 88 0 +82.1 ± 29.52
428356 ncm-dbt-03 583992 500 161 97 242 +44.72 ± 14.64 1 27 131 89 2 +89.48 ± 29.62
428355 ncm-dbt-01 585464 500 163 100 237 +44.01 ± 14.86 0 33 122 94 1 +88.0 ± 30.9
428354 ncm-dbt-05 578877 500 147 107 246 +27.85 ± 13.82 0 34 142 74 0 +56.07 ± 28.24
428353 ncm-dbt-02 586435 500 153 96 251 +39.78 ± 13.81 0 28 137 85 0 +80.63 ± 28.81
428352 ncm-dbt-04 571029 500 151 89 260 +43.3 ± 13.6 0 25 138 87 0 +88.0 ± 28.61
428351 ncm-dbt-01 584369 500 167 106 227 +42.6 ± 15.16 0 36 118 95 1 +85.04 ± 31.44
428350 ncm-dbt-03 584664 500 152 93 255 +41.19 ± 14.43 1 29 130 90 0 +85.04 ± 29.79
428349 ncm-dbt-05 575232 500 166 107 227 +41.19 ± 15.82 1 37 117 92 3 +80.63 ± 31.58
428348 ncm-dbt-02 587282 500 151 109 240 +29.25 ± 13.65 0 32 144 74 0 +58.93 ± 27.95
428347 ncm-dbt-01 583908 500 174 97 229 +53.93 ± 13.91 0 22 130 97 1 +109.07 ± 29.63
428346 ncm-dbt-04 568156 500 149 110 241 +27.15 ± 14.44 0 38 136 75 1 +53.22 ± 29.08
428345 ncm-dbt-03 582652 500 156 110 234 +32.06 ± 14.38 2 30 138 80 0 +67.55 ± 28.74
428344 ncm-dbt-05 576088 500 152 93 255 +41.19 ± 13.76 0 25 143 80 2 +80.63 ± 27.93
428343 ncm-dbt-02 586943 500 164 100 236 +44.72 ± 14.1 0 28 130 92 0 +90.97 ± 29.76
428342 ncm-dbt-04 567403 500 171 132 197 +27.16 ± 14.7 1 37 135 76 1 +54.65 ± 29.21
428341 ncm-dbt-01 583363 500 157 94 249 +44.01 ± 14.99 1 32 120 97 0 +90.97 ± 31.17
428340 ncm-dbt-03 585295 500 151 101 248 +34.86 ± 13.9 0 30 141 78 1 +68.99 ± 28.31
428339 ncm-dbt-02 584285 500 152 101 247 +35.56 ± 14.22 0 33 133 84 0 +71.89 ± 29.42
428338 ncm-dbt-04 570068 500 156 93 251 +44.01 ± 14.06 0 28 131 91 0 +89.48 ± 29.62
428337 ncm-dbt-05 578712 500 175 112 213 +44.01 ± 13.79 1 23 138 88 0 +90.97 ± 28.58
428336 ncm-dbt-01 582694 500 160 104 236 +39.08 ± 14.7 0 33 130 85 2 +76.25 ± 29.82
428335 ncm-dbt-03 585801 500 166 104 230 +43.31 ± 14.95 1 32 121 96 0 +89.48 ± 31.03
428334 ncm-dbt-02 586393 500 151 104 245 +32.75 ± 14.95 0 39 126 84 1 +64.66 ± 30.39
428333 ncm-dbt-04 567522 500 147 91 262 +39.08 ± 13.62 0 26 143 80 1 +77.71 ± 27.95
428332 ncm-dbt-05 582027 500 152 96 252 +39.08 ± 14.57 0 31 135 81 3 +74.79 ± 29.13
428331 ncm-dbt-01 583028 500 145 100 255 +31.36 ± 14.73 1 36 130 83 0 +64.66 ± 29.86
428330 ncm-dbt-03 580945 500 172 102 226 +48.96 ± 14.2 0 27 126 97 0 +99.95 ± 30.29
428329 ncm-dbt-02 586646 500 155 96 249 +41.19 ± 15.08 0 35 123 90 2 +80.63 ± 30.77
428328 ncm-dbt-03 586181 500 155 105 240 +34.86 ± 14.7 3 27 138 81 1 +73.34 ± 28.71
428327 ncm-dbt-05 579124 500 159 101 240 +40.48 ± 14.91 0 34 126 88 2 +79.17 ± 30.36
428326 ncm-dbt-04 572558 500 172 104 224 +47.55 ± 14.79 1 26 130 90 3 +93.95 ± 29.74
428325 ncm-dbt-01 585674 500 148 114 238 +23.66 ± 14.83 0 44 128 78 0 +47.55 ± 30.15

Commit

Commit ID 77e2b915e1e4f2469a414712e52b469633fb3273
Author Dubslow
Date 2023-04-05 06:13:34 UTC
Simplifiy TM's root complexity Also requires moving optimism initialization, this is a very early `evaluate()` call. STC: https://tests.stockfishchess.org/tests/view/6428c39677ff3301150ca0d7 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 51256 W: 13805 L: 13612 D: 23839 Ptnml(0-2): 145, 5283, 14592, 5450, 158 LTC: https://tests.stockfishchess.org/tests/view/64296ff377ff3301150cc519 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 106968 W: 28951 L: 28830 D: 49187 Ptnml(0-2): 47, 9746, 33789, 9843, 59 closes https://github.com/official-stockfish/Stockfish/pull/4492 no functional change
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