Dev Builds » 20200807-0657

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 06:31:20 581907 3992 73 2540 1379 -250.76 ± 6.43 561 1346 88 1 0 -654.82 ± 36.8
ncm-dbt-02 06:29:55 586696 4000 81 2498 1421 -243.14 ± 6.27 523 1373 102 2 0 -626.04 ± 34.11
ncm-dbt-03 06:31:27 585810 4000 66 2537 1397 -250.62 ± 6.39 560 1351 89 0 0 -657.16 ± 36.58
ncm-dbt-04 06:31:16 566886 4014 68 2624 1322 -261.52 ± 6.98 646 1267 91 3 0 -642.47 ± 36.14
ncm-dbt-05 06:31:02 581817 3994 68 2551 1375 -252.84 ± 6.54 578 1328 90 1 0 -651.0 ± 36.38
20000 356 12750 6894 -251.72 ± 2.92 2868 6665 460 7 0 -645.93 ± 15.92

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440284 ncm-dbt-04 567363 14 0 11 3 -367.83 ± 241.52 4 3 0 0 0 -1199.83 ± 201.74
440283 ncm-dbt-01 579289 492 14 313 165 -245.04 ± 18.87 69 161 16 0 0 -589.37 ± 92.22
440282 ncm-dbt-03 582235 500 9 324 167 -257.59 ± 18.68 75 165 10 0 0 -676.04 ± 124.55
440281 ncm-dbt-05 576537 494 12 309 173 -241.48 ± 18.34 66 165 16 0 0 -590.1 ± 92.23
440280 ncm-dbt-02 586054 500 14 316 170 -243.0 ± 19.12 70 163 16 1 0 -571.11 ± 91.87
440279 ncm-dbt-04 566730 500 7 327 166 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
440278 ncm-dbt-03 585885 500 13 316 171 -244.09 ± 18.52 69 165 16 0 0 -592.27 ± 92.24
440277 ncm-dbt-05 580157 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
440276 ncm-dbt-02 587792 500 10 303 187 -233.32 ± 16.57 57 179 14 0 0 -616.18 ± 100.06
440275 ncm-dbt-01 582527 500 5 317 178 -254.15 ± 17.4 69 174 7 0 0 -739.05 ± 163.27
440274 ncm-dbt-04 568275 500 13 322 165 -250.76 ± 20.13 78 153 19 0 0 -561.34 ± 83.33
440273 ncm-dbt-03 585211 500 3 321 176 -261.07 ± 17.38 72 174 4 0 0 -837.28 ± 240.94
440272 ncm-dbt-05 582611 500 7 331 162 -268.16 ± 20.54 85 155 9 1 0 -659.17 ± 131.36
440271 ncm-dbt-01 580738 500 7 319 174 -254.16 ± 19.05 74 165 10 1 0 -643.7 ± 122.54
440270 ncm-dbt-02 587325 500 15 306 179 -231.21 ± 17.54 59 174 16 1 0 -571.11 ± 91.87
440269 ncm-dbt-04 566809 500 5 324 171 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
440268 ncm-dbt-05 581818 500 12 327 161 -257.59 ± 20.26 81 153 16 0 0 -592.27 ± 92.24
440267 ncm-dbt-02 584201 500 10 310 180 -240.82 ± 17.58 64 172 14 0 0 -616.18 ± 100.06
440266 ncm-dbt-03 586604 500 3 325 172 -265.77 ± 19.41 81 160 9 0 0 -694.7 ± 134.18
440265 ncm-dbt-01 582861 500 9 327 164 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
440264 ncm-dbt-04 568196 500 10 321 169 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
440263 ncm-dbt-05 582694 500 8 316 176 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
440262 ncm-dbt-02 586435 500 8 302 190 -234.38 ± 15.64 54 186 10 0 0 -676.04 ± 124.55
440261 ncm-dbt-01 582903 500 8 315 177 -248.52 ± 16.96 65 177 8 0 0 -715.51 ± 146.53
440260 ncm-dbt-03 586604 500 12 306 182 -234.38 ± 16.45 57 180 13 0 0 -629.41 ± 104.8
440259 ncm-dbt-04 567403 500 6 321 173 -257.59 ± 18.68 74 168 7 1 0 -694.74 ± 156.93
440258 ncm-dbt-05 582193 500 7 311 182 -245.19 ± 16.81 63 178 9 0 0 -694.7 ± 134.18
440257 ncm-dbt-02 587155 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
440256 ncm-dbt-01 583824 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
440255 ncm-dbt-03 588217 500 6 324 170 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
440254 ncm-dbt-04 567086 500 12 323 165 -253.02 ± 19.42 75 162 12 1 0 -616.2 ± 109.19
440253 ncm-dbt-01 579207 500 13 321 166 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
440252 ncm-dbt-05 583698 500 6 312 182 -247.41 ± 17.38 66 174 10 0 0 -676.04 ± 124.55
440251 ncm-dbt-02 588047 500 6 316 178 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
440250 ncm-dbt-03 585211 500 6 312 182 -247.41 ± 17.65 67 172 11 0 0 -659.13 ± 116.77
440249 ncm-dbt-04 564566 500 7 344 149 -284.21 ± 21.93 97 143 10 0 0 -676.04 ± 124.55
440248 ncm-dbt-05 584832 500 9 323 168 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
440247 ncm-dbt-02 586562 500 10 318 172 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
440246 ncm-dbt-01 583908 500 10 306 184 -236.51 ± 17.0 60 176 14 0 0 -616.18 ± 100.06
440245 ncm-dbt-04 565548 500 8 331 161 -266.97 ± 20.92 86 152 11 1 0 -629.43 ± 115.29
440244 ncm-dbt-03 586520 500 14 309 177 -235.44 ± 17.37 61 173 16 0 0 -592.27 ± 92.24

Commit

Commit ID af935365e3e528f445c1c0f48bb43b8cf685719c
Author FauziAkram
Date 2020-08-07 06:57:37 UTC
Tuned pawn values Passed STC: https://tests.stockfishchess.org/tests/view/5f2aa49fa5abc164f05e4d1b LLR: 2.95 (-2.94,2.94) {-0.50,1.50} Total: 40888 W: 7977 L: 7726 D: 25185 Ptnml(0-2): 665, 4806, 9333, 4893, 747 Passed LTC: https://tests.stockfishchess.org/tests/view/5f2b1059b3ebe5cbfee85ae7 LLR: 2.98 (-2.94,2.94) {0.25,1.75} Total: 51264 W: 6445 L: 6134 D: 38685 Ptnml(0-2): 328, 4564, 15580, 4789, 371 closes https://github.com/official-stockfish/Stockfish/pull/2920 bench: 4314943
Copyright 2011–2025 Next Chess Move LLC