Dev Builds » 20200817-1027

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 06:32:46 584430 4000 70 2610 1320 -260.49 ± 6.92 636 1269 94 1 0 -643.7 ± 35.57
ncm-dbt-02 06:33:18 585987 4000 67 2629 1304 -263.71 ± 7.01 653 1258 87 2 0 -653.21 ± 37.01
ncm-dbt-03 06:33:57 584587 3988 59 2621 1308 -264.85 ± 6.96 650 1263 80 1 0 -671.17 ± 38.66
ncm-dbt-04 06:32:40 566947 4012 63 2651 1298 -266.41 ± 7.06 670 1248 88 0 0 -659.69 ± 36.79
ncm-dbt-05 06:33:09 585539 4000 80 2615 1305 -259.76 ± 6.95 637 1261 102 0 0 -632.89 ± 34.1
20000 339 13126 6535 -263.03 ± 3.12 3246 6299 451 4 0 -651.65 ± 16.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
461182 ncm-dbt-04 567482 12 0 7 5 -231.63 ± 82.16 1 5 0 0 0 -1199.83 ± 215.27
461181 ncm-dbt-03 586350 488 6 328 154 -275.34 ± 20.6 86 150 8 0 0 -711.22 ± 146.49
461180 ncm-dbt-05 584579 500 7 325 168 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
461179 ncm-dbt-02 585970 500 7 323 170 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
461178 ncm-dbt-01 583782 500 7 324 169 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
461177 ncm-dbt-04 566217 500 9 329 162 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
461176 ncm-dbt-03 585506 500 8 327 165 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
461175 ncm-dbt-05 582945 500 17 331 152 -256.44 ± 21.11 84 146 20 0 0 -552.07 ± 80.89
461174 ncm-dbt-02 583950 500 9 319 172 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
461173 ncm-dbt-04 565863 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
461172 ncm-dbt-01 582736 500 9 329 162 -263.41 ± 19.95 81 159 9 1 0 -659.17 ± 131.36
461171 ncm-dbt-03 583489 500 8 328 164 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
461170 ncm-dbt-05 583656 500 6 339 155 -279.16 ± 21.04 92 149 9 0 0 -694.7 ± 134.18
461169 ncm-dbt-02 586097 500 9 341 150 -277.92 ± 22.01 94 145 10 1 0 -643.7 ± 122.54
461168 ncm-dbt-04 561330 500 6 329 165 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
461167 ncm-dbt-01 586139 500 12 336 152 -268.16 ± 21.07 88 148 14 0 0 -616.18 ± 100.06
461166 ncm-dbt-03 581818 500 8 327 165 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
461165 ncm-dbt-05 595063 500 7 333 160 -270.57 ± 20.0 85 156 9 0 0 -694.7 ± 134.18
461164 ncm-dbt-02 585928 500 10 323 167 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
461163 ncm-dbt-04 569869 500 5 321 174 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
461162 ncm-dbt-01 586901 500 9 310 181 -241.91 ± 18.24 67 167 16 0 0 -592.27 ± 92.24
461161 ncm-dbt-03 584159 500 6 337 157 -276.68 ± 20.45 89 153 8 0 0 -715.51 ± 146.53
461160 ncm-dbt-05 584579 500 14 312 174 -238.65 ± 17.8 64 170 16 0 0 -592.27 ± 92.24
461159 ncm-dbt-02 587197 500 8 323 169 -257.59 ± 19.48 77 162 10 1 0 -643.7 ± 122.54
461158 ncm-dbt-04 568236 500 8 325 167 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
461157 ncm-dbt-01 583321 500 11 326 163 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
461156 ncm-dbt-03 585506 500 8 315 177 -248.52 ± 18.33 70 167 13 0 0 -629.41 ± 104.8
461155 ncm-dbt-04 566138 500 8 350 142 -290.65 ± 22.7 102 138 10 0 0 -676.04 ± 124.55
461154 ncm-dbt-05 583321 500 10 319 171 -250.76 ± 18.88 73 163 14 0 0 -616.18 ± 100.06
461153 ncm-dbt-02 585253 500 6 331 163 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
461152 ncm-dbt-01 583028 500 11 329 160 -261.07 ± 20.96 85 148 17 0 0 -581.38 ± 88.96
461151 ncm-dbt-03 585295 500 6 323 171 -259.9 ± 19.51 78 162 9 1 0 -659.17 ± 131.36
461150 ncm-dbt-04 569869 500 9 325 166 -258.74 ± 19.89 80 156 14 0 0 -616.18 ± 100.06
461149 ncm-dbt-02 586731 500 5 341 154 -282.94 ± 20.9 93 150 7 0 0 -739.05 ± 163.27
461148 ncm-dbt-05 585169 500 9 336 155 -271.78 ± 20.71 88 151 11 0 0 -659.13 ± 116.77
461147 ncm-dbt-01 584034 500 5 325 170 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
461146 ncm-dbt-04 567522 500 10 338 152 -272.99 ± 21.67 92 144 14 0 0 -616.18 ± 100.06
461145 ncm-dbt-02 586774 500 13 328 159 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
461144 ncm-dbt-01 585506 500 6 331 163 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
461143 ncm-dbt-03 584579 500 9 336 155 -271.78 ± 20.98 89 149 12 0 0 -643.67 ± 110.29
461142 ncm-dbt-05 585000 500 10 320 170 -251.89 ± 18.23 71 168 11 0 0 -659.13 ± 116.77

Commit

Commit ID 0e17a89e4dee73bd46e496cf6bed467432f116e6
Author Unai Corzo
Date 2020-08-17 10:27:35 UTC
Simplify away the passed pawn extension STC https://tests.stockfishchess.org/tests/view/5f3955f0e98b6c64b3df41d7 LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 31992 W: 3611 L: 3548 D: 24833 Ptnml(0-2): 174, 2658, 10273, 2713, 178 LTC https://tests.stockfishchess.org/tests/view/5f399e41e98b6c64b3df4210 LLR: 3.01 (-2.94,2.94) {-1.50,0.50} Total: 29568 W: 1488 L: 1480 D: 26600 Ptnml(0-2): 40, 1272, 12142, 1300, 30 closes https://github.com/official-stockfish/Stockfish/pull/3017 bench: 3844671 ----- Recommended net: https://tests.stockfishchess.org/api/nn/nn-82215d0fd0df.nnue
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