Dev Builds » 20210703-0720

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 07:07:26 575649 4022 464 1555 2003 -96.66 ± 5.04 35 1116 765 95 0 -202.68 ± 12.3
ncm-dbt-02 07:06:29 575207 4000 525 1527 1948 -88.92 ± 5.05 22 1071 796 109 2 -186.7 ± 12.06
ncm-dbt-03 07:07:31 574187 4034 487 1563 1984 -94.97 ± 5.06 36 1105 775 101 0 -198.16 ± 12.23
ncm-dbt-04 07:07:14 562079 4028 492 1545 1991 -92.98 ± 4.96 26 1097 795 96 0 -195.48 ± 12.06
ncm-dbt-05 06:56:39 572958 3916 474 1535 1907 -96.54 ± 5.11 34 1085 749 88 2 -202.89 ± 12.43
20000 2442 7725 9833 -94.0 ± 2.26 153 5474 3880 489 4 -197.11 ± 5.46

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437393 ncm-dbt-05 578383 30 5 10 15 -58.44 ± 72.47 0 8 4 3 0 -120.41 ± 173.73
437392 ncm-dbt-02 585126 122 20 39 63 -54.55 ± 29.85 0 26 28 7 0 -111.94 ± 65.32
437391 ncm-dbt-03 586477 136 19 56 61 -96.96 ± 27.03 1 38 26 3 0 -204.75 ± 68.23
437390 ncm-dbt-04 565272 224 28 88 108 -95.39 ± 22.7 4 58 44 6 0 -190.85 ± 51.94
437389 ncm-dbt-01 581569 226 26 77 123 -79.77 ± 22.03 2 55 48 8 0 -161.33 ± 49.61
437388 ncm-dbt-05 583824 500 67 190 243 -87.26 ± 15.52 5 133 93 18 1 -179.9 ± 35.49
437387 ncm-dbt-02 584958 500 56 185 259 -91.71 ± 14.19 1 142 92 15 0 -196.45 ± 35.72
437386 ncm-dbt-03 588899 500 57 196 247 -99.2 ± 15.33 6 144 83 17 0 -206.01 ± 37.54
437385 ncm-dbt-04 565312 500 55 187 258 -93.95 ± 13.61 4 132 106 8 0 -196.45 ± 32.87
437384 ncm-dbt-01 578054 500 66 206 228 -99.95 ± 14.61 7 137 95 11 0 -206.01 ± 35.09
437383 ncm-dbt-05 540542 500 65 200 235 -96.19 ± 14.85 7 133 99 10 1 -198.34 ± 34.31
437376 ncm-dbt-02 525721 500 68 196 236 -90.97 ± 15.05 4 137 93 15 1 -190.85 ± 35.52
437375 ncm-dbt-03 526709 500 65 176 259 -78.43 ± 14.02 2 122 111 15 0 -162.35 ± 32.31
437374 ncm-dbt-03 536334 80 9 34 37 -112.32 ± 39.55 2 23 13 2 0 -227.56 ± 99.59
437373 ncm-dbt-04 524364 500 64 200 236 -96.94 ± 14.27 6 134 100 10 0 -200.24 ± 34.09
437372 ncm-dbt-05 531669 80 12 28 40 -70.43 ± 39.45 0 21 14 5 0 -147.19 ± 92.92
437371 ncm-dbt-01 537362 500 65 196 239 -93.2 ± 15.09 5 138 90 17 0 -192.71 ± 36.1
437370 ncm-dbt-02 546427 84 16 32 36 -66.99 ± 39.56 1 19 17 5 0 -129.8 ± 84.63
437369 ncm-dbt-02 584243 294 42 113 139 -85.59 ± 17.18 2 71 70 4 0 -176.94 ± 39.98
437368 ncm-dbt-01 579331 296 34 112 150 -93.76 ± 18.67 4 76 62 6 0 -190.85 ± 43.33
437367 ncm-dbt-05 582027 306 39 113 154 -85.72 ± 17.74 1 80 64 8 0 -180.41 ± 42.77
437366 ncm-dbt-04 567126 304 36 112 156 -88.74 ± 18.22 1 83 59 9 0 -187.81 ± 44.74
437365 ncm-dbt-03 582611 318 33 130 155 -109.46 ± 17.34 6 87 64 2 0 -226.17 ± 42.13
437364 ncm-dbt-05 581070 500 62 193 245 -93.2 ± 14.06 1 143 92 14 0 -200.24 ± 35.72
437363 ncm-dbt-02 585506 500 60 173 267 -79.9 ± 13.31 0 125 113 12 0 -169.27 ± 31.88
437362 ncm-dbt-04 565233 500 62 189 249 -90.22 ± 14.16 2 137 97 14 0 -190.85 ± 34.75
437361 ncm-dbt-01 579951 500 57 183 260 -89.48 ± 14.0 3 132 103 12 0 -187.16 ± 33.6
437360 ncm-dbt-03 584159 500 58 188 254 -92.45 ± 14.35 2 141 92 15 0 -196.45 ± 35.72
437359 ncm-dbt-05 582444 500 53 199 248 -104.49 ± 13.39 2 150 90 8 0 -228.08 ± 36.04
437358 ncm-dbt-04 567839 500 65 181 254 -82.1 ± 13.52 0 129 108 13 0 -174.55 ± 32.75
437357 ncm-dbt-01 582068 500 41 197 262 -112.14 ± 13.39 4 154 86 6 0 -245.2 ± 36.85
437356 ncm-dbt-02 584117 500 62 197 241 -96.19 ± 14.71 5 139 92 14 0 -200.24 ± 35.72
437355 ncm-dbt-03 583070 500 59 199 242 -99.95 ± 13.52 4 139 100 7 0 -211.87 ± 33.93
437354 ncm-dbt-05 579744 500 61 204 235 -102.22 ± 14.63 8 137 95 10 0 -209.91 ± 35.06
437353 ncm-dbt-04 567403 500 64 194 242 -92.45 ± 14.2 2 140 94 14 0 -196.45 ± 35.33
437352 ncm-dbt-02 585717 500 65 185 250 -85.04 ± 14.2 1 133 102 13 1 -181.7 ± 33.83
437351 ncm-dbt-01 581777 500 55 194 251 -99.2 ± 14.3 4 143 91 12 0 -209.91 ± 35.92
437350 ncm-dbt-03 584790 500 62 189 249 -90.22 ± 14.89 4 136 93 17 0 -187.16 ± 35.51
437349 ncm-dbt-05 586012 500 56 204 240 -106.01 ± 12.71 3 145 99 3 0 -230.16 ± 33.79
437348 ncm-dbt-02 586223 500 65 211 224 -104.49 ± 13.71 3 149 89 9 0 -226.0 ± 36.29
437347 ncm-dbt-01 580033 500 60 190 250 -92.45 ± 13.74 3 134 103 10 0 -194.57 ± 33.53
437346 ncm-dbt-04 566533 500 59 200 241 -100.7 ± 14.16 4 144 91 11 0 -213.85 ± 35.9
437345 ncm-dbt-03 583740 500 62 195 243 -94.69 ± 13.93 3 138 98 11 0 -200.24 ± 34.5
437344 ncm-dbt-02 584034 500 71 196 233 -88.74 ± 14.72 5 130 100 15 0 -181.7 ± 34.21
437343 ncm-dbt-05 583866 500 54 194 252 -99.95 ± 14.31 7 135 99 9 0 -206.01 ± 34.24
437342 ncm-dbt-04 569629 500 59 194 247 -96.19 ± 13.95 3 140 96 11 0 -204.07 ± 34.89
437341 ncm-dbt-03 585084 500 63 200 237 -97.69 ± 14.58 6 137 95 12 0 -202.15 ± 35.11
437340 ncm-dbt-01 580696 500 60 200 240 -99.95 ± 14.31 3 147 87 13 0 -213.85 ± 36.76

Commit

Commit ID 7cfc1f9b150d387788a9b02360e49ba2a56505f7
Author Joost VandeVondele
Date 2021-07-03 07:20:06 UTC
Restore development version No functional change
Copyright 2011–2025 Next Chess Move LLC