Dev Builds » 20210703-0725

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 07:00:20 577581 3994 494 1540 1960 -93.16 ± 5.09 25 1107 755 109 1 -196.34 ± 12.4
ncm-dbt-02 06:59:40 585972 3984 492 1507 1985 -90.51 ± 5.01 23 1071 797 100 1 -190.15 ± 12.04
ncm-dbt-03 06:59:47 583766 4006 499 1548 1959 -93.15 ± 5.08 36 1077 791 98 1 -193.75 ± 12.09
ncm-dbt-04 06:59:58 569755 4016 498 1590 1928 -96.91 ± 4.99 37 1100 792 76 3 -203.54 ± 12.06
ncm-dbt-05 07:00:01 581858 4000 497 1530 1973 -91.8 ± 5.01 18 1107 765 110 0 -194.34 ± 12.31
20000 2480 7715 9805 -93.11 ± 2.25 139 5462 3900 493 6 -195.61 ± 5.44

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
418366 ncm-dbt-03 583154 6 2 4 0 -120.15 ± 264.6 1 0 2 0 0 -120.24 ± 264.77
418365 ncm-dbt-04 568315 16 3 6 7 -65.91 ± 89.0 0 4 3 1 0 -136.97 ± 241.58
418364 ncm-dbt-02 586223 484 66 190 228 -91.04 ± 14.17 3 129 99 11 0 -190.85 ± 34.27
418363 ncm-dbt-01 579166 494 67 193 234 -90.62 ± 14.88 1 143 84 19 0 -193.67 ± 37.26
418362 ncm-dbt-05 580116 500 59 204 237 -103.73 ± 13.05 1 150 92 7 0 -228.08 ± 35.56
418361 ncm-dbt-04 570388 500 69 187 244 -83.57 ± 14.31 4 124 108 14 0 -171.02 ± 32.78
418360 ncm-dbt-03 584706 500 55 188 257 -94.69 ± 14.24 7 128 106 9 0 -192.71 ± 32.93
418359 ncm-dbt-02 588174 500 44 190 266 -104.49 ± 13.88 2 153 84 11 0 -228.08 ± 37.44
418358 ncm-dbt-01 576128 500 66 191 243 -88.74 ± 14.57 3 135 96 16 0 -185.33 ± 34.95
418357 ncm-dbt-03 585042 500 61 185 254 -88.0 ± 14.12 0 140 94 16 0 -189.0 ± 35.33
418356 ncm-dbt-04 570989 500 61 200 239 -99.2 ± 13.67 3 142 96 9 0 -211.87 ± 34.83
418355 ncm-dbt-05 583447 500 71 197 232 -89.48 ± 14.3 1 140 93 16 0 -190.85 ± 35.52
418354 ncm-dbt-02 587113 500 62 186 252 -88.0 ± 13.19 2 128 112 8 0 -185.33 ± 31.82
418353 ncm-dbt-01 578630 500 61 196 243 -96.19 ± 13.48 2 140 99 9 0 -206.01 ± 34.24
418352 ncm-dbt-03 584537 500 62 197 241 -96.19 ± 14.85 8 130 102 9 1 -196.45 ± 33.71
418351 ncm-dbt-04 568633 500 52 197 251 -103.73 ± 13.55 4 144 95 7 0 -221.9 ± 34.93
418350 ncm-dbt-05 577971 500 62 182 256 -85.04 ± 14.63 2 134 96 18 0 -178.11 ± 34.94
418349 ncm-dbt-02 585464 500 60 187 253 -90.22 ± 14.31 4 132 101 13 0 -187.16 ± 33.99
418348 ncm-dbt-03 584243 500 64 210 226 -104.49 ± 14.5 8 139 94 9 0 -215.85 ± 35.23
418347 ncm-dbt-01 575720 500 59 185 256 -89.48 ± 12.89 0 134 108 8 0 -192.71 ± 32.52
418346 ncm-dbt-05 581902 500 64 181 255 -82.83 ± 14.44 3 127 104 16 0 -171.02 ± 33.51
418345 ncm-dbt-04 571150 500 62 197 241 -96.19 ± 13.8 2 141 98 8 1 -207.95 ± 34.43
418344 ncm-dbt-02 585042 500 66 200 234 -95.44 ± 13.94 4 136 100 10 0 -200.24 ± 34.09
418343 ncm-dbt-01 581402 500 64 195 241 -93.2 ± 14.36 2 142 91 15 0 -198.34 ± 35.92
418342 ncm-dbt-04 568991 500 66 192 242 -89.48 ± 14.88 6 128 103 12 1 -183.51 ± 33.63
418341 ncm-dbt-03 583279 500 59 193 248 -95.44 ± 15.27 6 139 88 17 0 -196.45 ± 36.5
418340 ncm-dbt-05 583866 500 52 185 263 -94.69 ± 14.09 2 142 93 13 0 -202.15 ± 35.52
418339 ncm-dbt-02 585928 500 71 178 251 -75.52 ± 14.08 1 122 110 17 0 -157.24 ± 32.52
418338 ncm-dbt-01 576946 500 48 199 253 -108.3 ± 14.68 9 142 90 9 0 -223.94 ± 36.07
418337 ncm-dbt-03 586012 500 69 196 235 -90.22 ± 13.07 1 133 108 8 0 -192.71 ± 32.52
418336 ncm-dbt-04 569629 500 55 205 240 -107.54 ± 14.37 7 145 89 9 0 -226.0 ± 36.29
418335 ncm-dbt-05 579455 500 68 189 243 -85.78 ± 14.36 2 133 99 16 0 -179.9 ± 34.4
418334 ncm-dbt-02 585169 500 67 191 242 -88.0 ± 14.85 3 136 93 18 0 -183.51 ± 35.5
418333 ncm-dbt-01 579331 500 58 196 246 -98.44 ± 15.03 6 141 88 15 0 -204.07 ± 36.53
418332 ncm-dbt-03 581444 500 65 175 260 -77.7 ± 14.44 2 124 106 18 0 -160.64 ± 33.2
418331 ncm-dbt-04 568991 500 61 205 234 -102.97 ± 14.79 8 138 95 8 1 -213.85 ± 35.03
418330 ncm-dbt-05 584874 500 65 203 232 -98.44 ± 14.44 4 143 90 13 0 -207.95 ± 36.13
418329 ncm-dbt-02 584664 500 56 185 259 -91.71 ± 14.63 4 135 98 12 1 -192.71 ± 34.55
418328 ncm-dbt-03 581485 500 62 200 238 -98.44 ± 14.14 3 144 91 12 0 -209.91 ± 35.92
418327 ncm-dbt-01 573325 500 71 185 244 -80.63 ± 14.94 2 130 99 18 1 -169.27 ± 34.4
418326 ncm-dbt-04 570709 500 69 201 230 -93.95 ± 13.45 3 134 105 8 0 -198.34 ± 33.06
418325 ncm-dbt-05 583237 500 56 189 255 -94.69 ± 13.93 3 138 98 11 0 -200.24 ± 34.5

Commit

Commit ID b51b094419e301b16ce8f639952993dd9abfcc43
Author Stéphane Nicolet
Date 2021-07-03 07:25:16 UTC
Simplify format_cp_aligned_dot() closes https://github.com/official-stockfish/Stockfish/pull/3583 No functional change
Copyright 2011–2025 Next Chess Move LLC