Dev Builds » 20200624-2002

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 06:30:25 584104 3998 77 2505 1416 -244.82 ± 6.43 540 1352 103 4 0 -617.72 ± 33.9
ncm-dbt-02 06:29:55 587335 4012 69 2576 1367 -254.66 ± 6.64 594 1322 87 3 0 -649.88 ± 36.98
ncm-dbt-03 06:28:46 586822 4000 58 2595 1347 -260.05 ± 6.69 615 1308 76 1 0 -680.57 ± 39.69
ncm-dbt-04 06:30:16 567530 3990 50 2559 1381 -256.92 ± 6.53 590 1330 74 1 0 -684.72 ± 40.25
ncm-dbt-05 06:28:19 582963 4000 70 2525 1405 -248.39 ± 6.42 554 1348 97 1 0 -638.22 ± 35.0
20000 324 12760 6916 -252.91 ± 2.93 2893 6660 437 10 0 -652.43 ± 16.33

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
450572 ncm-dbt-02 586985 12 1 7 4 -190.66 ± 114.09 1 4 1 0 0 -416.21 ± 496.36
450571 ncm-dbt-04 566809 490 2 312 176 -259.12 ± 17.95 71 168 6 0 0 -762.62 ± 187.96
450570 ncm-dbt-01 582318 498 11 306 181 -236.71 ± 16.82 59 177 13 0 0 -628.69 ± 104.79
450569 ncm-dbt-03 588047 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
450568 ncm-dbt-05 577848 500 9 334 157 -269.36 ± 20.13 85 155 10 0 0 -676.04 ± 124.55
450567 ncm-dbt-02 585421 500 7 315 178 -249.64 ± 18.99 72 165 12 1 0 -616.2 ± 109.19
450566 ncm-dbt-04 570428 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
450565 ncm-dbt-01 586985 500 5 313 182 -249.64 ± 17.67 68 172 10 0 0 -676.04 ± 124.55
450564 ncm-dbt-02 587664 500 8 324 168 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
450563 ncm-dbt-05 581111 500 11 317 172 -247.41 ± 18.96 71 165 13 1 0 -603.86 ± 103.96
450562 ncm-dbt-03 587919 500 7 320 173 -255.29 ± 17.54 70 173 7 0 0 -739.05 ± 163.27
450561 ncm-dbt-04 568514 500 5 323 172 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
450560 ncm-dbt-02 587919 500 16 304 180 -228.07 ± 17.59 58 173 18 1 0 -552.08 ± 85.8
450559 ncm-dbt-01 584790 500 13 317 170 -245.19 ± 18.67 70 164 16 0 0 -592.27 ± 92.24
450558 ncm-dbt-05 581070 500 9 315 176 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
450557 ncm-dbt-03 586266 500 5 321 174 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
450556 ncm-dbt-04 560982 500 12 312 176 -240.82 ± 18.34 67 166 17 0 0 -581.38 ± 88.96
450555 ncm-dbt-02 586181 500 10 323 167 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
450554 ncm-dbt-01 582903 500 6 320 174 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
450553 ncm-dbt-05 585337 500 7 309 184 -243.0 ± 17.87 66 170 14 0 0 -616.18 ± 100.06
450552 ncm-dbt-03 586181 500 10 320 170 -251.89 ± 19.28 74 163 12 1 0 -616.2 ± 109.19
450551 ncm-dbt-04 566454 500 4 323 173 -262.24 ± 18.12 75 169 6 0 0 -766.17 ± 188.02
450550 ncm-dbt-05 581902 500 7 314 179 -248.52 ± 16.96 65 177 8 0 0 -715.51 ± 146.53
450549 ncm-dbt-02 588260 500 9 327 164 -261.07 ± 19.65 79 161 9 1 0 -659.17 ± 131.36
450548 ncm-dbt-01 583614 500 12 316 172 -245.2 ± 19.65 72 162 14 2 0 -571.11 ± 97.59
450547 ncm-dbt-03 587962 500 9 328 163 -262.24 ± 20.07 82 155 13 0 0 -629.41 ± 104.8
450546 ncm-dbt-04 568395 500 7 332 161 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
450545 ncm-dbt-05 584076 500 8 306 186 -238.65 ± 16.49 59 180 11 0 0 -659.13 ± 116.77
450544 ncm-dbt-02 588217 500 3 318 179 -257.59 ± 17.83 72 171 7 0 0 -739.05 ± 163.27
450543 ncm-dbt-01 583237 500 12 307 181 -235.44 ± 16.6 58 179 13 0 0 -629.41 ± 104.8
450542 ncm-dbt-03 586223 500 8 325 167 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
450541 ncm-dbt-04 570068 500 7 317 176 -251.89 ± 18.23 70 171 8 1 0 -676.08 ± 142.43
450540 ncm-dbt-05 585169 500 9 315 176 -247.41 ± 18.44 70 166 14 0 0 -616.18 ± 100.06
450539 ncm-dbt-02 587070 500 6 332 162 -270.57 ± 19.42 83 160 7 0 0 -739.05 ± 163.27
450538 ncm-dbt-01 584285 500 11 309 180 -238.66 ± 18.55 66 167 16 1 0 -571.11 ± 91.87
450537 ncm-dbt-03 586393 500 8 329 163 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
450536 ncm-dbt-05 587197 500 10 315 175 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
450535 ncm-dbt-01 584706 500 7 317 176 -251.89 ± 18.76 72 167 10 1 0 -643.7 ± 122.54
450534 ncm-dbt-04 568593 500 6 318 176 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
450533 ncm-dbt-02 588302 500 9 326 165 -259.9 ± 18.97 77 163 10 0 0 -676.04 ± 124.55
450532 ncm-dbt-03 585590 500 4 330 166 -270.57 ± 18.83 81 164 5 0 0 -798.18 ± 231.48

Commit

Commit ID 208c53df0fc289466def7deae58f687957efb734
Author Joost VandeVondele
Date 2020-06-24 20:02:17 UTC
Remove 'Minimum Thinking Time' UCI option. the option was, since at least 2014, not correctly implemented, ignoring all dynamic adjustments to optimum time in search. Instead of fixing it, remove it, no need to expose an option that will influence time management negatively. closes https://github.com/official-stockfish/Stockfish/pull/2765 No functional change.
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