Dev Builds » 20210531-1631

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 06:46:06 582457 3996 358 1756 1882 -126.91 ± 4.92 74 1287 600 37 0 -277.1 ± 13.88
ncm-dbt-02 06:44:00 586568 4000 402 1768 1830 -123.61 ± 5.23 96 1229 621 53 1 -260.78 ± 13.67
ncm-dbt-03 06:45:37 586616 4006 388 1746 1872 -122.63 ± 5.2 82 1260 595 66 0 -261.68 ± 13.98
ncm-dbt-04 06:45:40 567806 3998 384 1736 1878 -122.31 ± 5.07 72 1263 610 53 1 -263.9 ± 13.79
ncm-dbt-05 06:45:15 581132 4000 380 1789 1831 -127.86 ± 5.15 98 1257 602 42 1 -273.0 ± 13.87
20000 1912 8795 9293 -124.66 ± 2.29 422 6296 3028 251 3 -267.21 ± 6.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
452396 ncm-dbt-03 587962 6 1 2 3 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77
452395 ncm-dbt-01 581153 496 51 219 226 -122.52 ± 14.07 10 152 82 4 0 -261.71 ± 37.68
452394 ncm-dbt-05 585759 500 41 221 238 -130.94 ± 14.22 11 163 71 5 0 -285.49 ± 40.81
452393 ncm-dbt-04 570829 498 49 219 230 -123.56 ± 13.5 8 157 81 3 0 -269.73 ± 37.86
452392 ncm-dbt-02 586689 500 44 230 226 -135.76 ± 14.12 13 163 71 3 0 -295.94 ± 40.69
452391 ncm-dbt-03 587282 500 43 218 239 -126.97 ± 14.61 10 163 69 8 0 -275.45 ± 41.43
452390 ncm-dbt-01 578836 500 39 212 249 -125.38 ± 14.63 12 155 77 6 0 -265.78 ± 39.12
452389 ncm-dbt-05 578959 500 46 221 233 -126.97 ± 15.1 14 154 75 7 0 -265.78 ± 39.69
452388 ncm-dbt-04 566849 500 53 212 235 -114.45 ± 14.38 7 154 80 9 0 -245.2 ± 38.39
452387 ncm-dbt-02 585548 500 56 219 225 -117.55 ± 14.2 7 157 78 8 0 -254.16 ± 38.89
452386 ncm-dbt-03 586646 500 50 214 236 -118.33 ± 15.15 9 158 71 12 0 -251.89 ± 40.68
452385 ncm-dbt-01 585211 500 44 210 246 -119.89 ± 13.51 4 165 74 7 0 -268.17 ± 39.97
452384 ncm-dbt-05 578383 500 60 230 210 -123.02 ± 15.75 15 149 78 7 1 -254.16 ± 38.89
452383 ncm-dbt-04 563587 500 43 217 240 -126.17 ± 14.95 13 155 75 7 0 -265.78 ± 39.69
452382 ncm-dbt-02 583405 500 49 226 225 -128.55 ± 13.91 11 158 78 3 0 -277.93 ± 38.66
452381 ncm-dbt-03 583196 500 37 218 245 -131.74 ± 14.71 12 164 67 7 0 -285.49 ± 42.08
452380 ncm-dbt-01 581735 500 48 229 223 -131.74 ± 13.85 11 162 74 3 0 -288.06 ± 39.79
452379 ncm-dbt-05 577684 500 50 216 234 -119.89 ± 12.42 3 162 83 2 0 -270.57 ± 37.24
452378 ncm-dbt-04 568951 500 52 222 226 -123.02 ± 14.33 8 162 72 8 0 -268.17 ± 40.54
452377 ncm-dbt-02 585084 500 52 213 235 -116.0 ± 14.69 12 143 89 6 0 -238.66 ± 36.16
452376 ncm-dbt-03 587664 500 47 225 228 -129.35 ± 14.58 11 163 69 7 0 -280.42 ± 41.44
452375 ncm-dbt-05 585000 500 40 229 231 -138.18 ± 15.1 12 175 53 10 0 -306.84 ± 46.95
452374 ncm-dbt-01 579826 500 38 215 247 -128.55 ± 13.19 7 166 74 3 0 -288.06 ± 39.79
452373 ncm-dbt-04 567442 500 51 219 230 -121.45 ± 13.84 11 148 89 2 0 -256.44 ± 35.8
452372 ncm-dbt-02 588813 500 53 211 236 -113.68 ± 13.72 5 155 83 7 0 -247.41 ± 37.61
452371 ncm-dbt-03 586858 500 51 203 246 -109.07 ± 14.53 6 151 82 11 0 -232.26 ± 37.9
452370 ncm-dbt-04 568315 500 44 218 238 -126.18 ± 14.95 10 163 69 7 1 -275.45 ± 41.43
452369 ncm-dbt-05 583531 500 45 227 228 -132.54 ± 14.36 14 157 76 3 0 -282.94 ± 39.21
452368 ncm-dbt-01 584034 500 47 223 230 -127.76 ± 13.39 8 163 76 3 0 -282.94 ± 39.21
452367 ncm-dbt-02 585464 500 52 229 219 -128.55 ± 15.4 18 146 81 5 0 -261.07 ± 38.02
452366 ncm-dbt-03 585759 500 62 225 213 -117.55 ± 14.84 10 152 79 9 0 -247.41 ± 38.64
452365 ncm-dbt-05 581153 500 50 224 226 -126.17 ± 14.79 15 148 83 4 0 -261.07 ± 37.44
452364 ncm-dbt-04 569709 500 48 222 230 -126.17 ± 14.46 9 164 69 8 0 -275.45 ± 41.43
452363 ncm-dbt-01 583572 500 36 220 244 -134.15 ± 13.97 10 169 66 5 0 -298.62 ± 42.41
452362 ncm-dbt-02 588856 500 42 217 241 -126.97 ± 16.77 18 153 65 14 0 -256.44 ± 42.26
452361 ncm-dbt-03 587664 500 40 224 236 -134.15 ± 14.33 13 162 71 4 0 -290.66 ± 40.76
452360 ncm-dbt-04 566770 500 44 207 249 -117.55 ± 14.2 6 160 75 9 0 -256.44 ± 39.69
452359 ncm-dbt-02 588686 500 54 223 223 -122.24 ± 15.29 12 154 76 7 1 -258.75 ± 39.42
452358 ncm-dbt-01 585295 500 55 228 217 -125.38 ± 14.63 12 155 77 6 0 -265.78 ± 39.12
452357 ncm-dbt-05 578588 500 48 221 231 -125.38 ± 14.63 14 149 83 4 0 -261.07 ± 37.44
452356 ncm-dbt-03 586520 500 57 217 226 -115.22 ± 14.85 11 146 85 8 0 -238.66 ± 37.17

Commit

Commit ID e8418bb1b92800550264b9a4993f51208f8fe681
Author candirufish
Date 2021-05-31 16:31:32 UTC
Check Extension with Static Evaluation extension for checking moves, at higher depth and more decisive positions. stc: LLR: 2.97 (-2.94,2.94) <-0.50,2.50> Total: 87008 W: 7337 L: 7100 D: 72571 Ptnml(0-2): 264, 5737, 31270, 5964, 269 https://tests.stockfishchess.org/tests/view/60b1034787a1a67ae56c47b6 ltc: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 79320 W: 2629 L: 2432 D: 74259 Ptnml(0-2): 29, 2205, 35000, 2392, 34 https://tests.stockfishchess.org/tests/view/60b1ae0b87a1a67ae56c487c closes https://github.com/official-stockfish/Stockfish/pull/3514 Bench: 4447112
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