Dev Builds » 20210130-1157

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 06:51:33 582513 4000 304 1808 1888 -137.37 ± 5.04 92 1364 500 44 0 -305.45 ± 15.25
ncm-dbt-02 06:52:22 586584 4000 283 1849 1868 -143.69 ± 4.92 98 1401 470 31 0 -325.67 ± 15.73
ncm-dbt-03 06:51:06 586336 4000 310 1831 1859 -139.1 ± 4.98 97 1361 508 34 0 -309.64 ± 15.12
ncm-dbt-04 06:49:56 566622 4000 318 1832 1850 -138.39 ± 5.05 99 1355 508 37 1 -306.84 ± 15.13
ncm-dbt-05 06:51:42 580554 4000 301 1780 1919 -134.85 ± 4.9 77 1364 520 39 0 -302.01 ± 14.95
20000 1516 9100 9384 -138.67 ± 2.23 463 6845 2506 185 1 -309.79 ± 6.8

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
446127 ncm-dbt-01 581402 500 32 221 247 -138.18 ± 13.12 7 179 60 4 0 -321.19 ± 44.57
446126 ncm-dbt-02 586562 500 40 224 236 -134.15 ± 15.33 17 156 71 6 0 -280.42 ± 40.83
446125 ncm-dbt-03 587282 500 44 231 225 -136.56 ± 13.73 10 171 65 4 0 -306.84 ± 42.73
446124 ncm-dbt-04 565981 500 39 213 248 -126.18 ± 14.12 7 167 70 5 1 -282.94 ± 41.13
446123 ncm-dbt-05 578588 500 45 210 245 -119.11 ± 13.86 5 163 74 8 0 -263.42 ± 39.97
446122 ncm-dbt-02 587622 500 35 227 238 -140.62 ± 14.35 11 177 55 7 0 -318.25 ± 46.48
446121 ncm-dbt-01 584076 500 40 218 242 -129.35 ± 14.07 9 166 69 6 0 -285.49 ± 41.44
446120 ncm-dbt-03 586604 500 39 227 234 -137.37 ± 13.9 13 164 71 2 0 -301.33 ± 40.6
446119 ncm-dbt-04 567363 500 36 234 230 -145.54 ± 14.75 16 171 58 5 0 -321.19 ± 45.36
446118 ncm-dbt-05 579207 500 32 232 236 -147.19 ± 15.4 16 177 48 9 0 -327.18 ± 49.35
446117 ncm-dbt-02 586646 500 33 238 229 -151.34 ± 14.37 17 174 56 3 0 -339.63 ± 46.2
446116 ncm-dbt-01 583279 500 42 224 234 -132.54 ± 14.01 8 173 62 7 0 -298.62 ± 43.77
446115 ncm-dbt-03 585126 500 38 235 227 -144.71 ± 14.94 16 171 57 6 0 -318.25 ± 45.73
446114 ncm-dbt-04 564997 500 41 242 217 -148.02 ± 13.54 13 177 58 2 0 -339.63 ± 45.29
446113 ncm-dbt-05 575394 500 38 222 240 -134.15 ± 13.97 10 169 66 5 0 -298.62 ± 42.41
446112 ncm-dbt-02 587749 500 27 230 243 -149.68 ± 12.45 7 192 48 3 0 -366.78 ± 50.11
446111 ncm-dbt-01 580696 500 36 230 234 -142.25 ± 14.48 13 174 57 6 0 -318.25 ± 45.73
446110 ncm-dbt-03 587028 500 40 230 230 -138.99 ± 14.03 11 173 61 5 0 -312.48 ± 44.19
446109 ncm-dbt-05 584453 500 38 224 238 -135.76 ± 13.01 8 172 68 2 0 -309.64 ± 41.56
446108 ncm-dbt-04 566691 500 51 232 217 -131.74 ± 14.37 11 165 68 6 0 -288.06 ± 41.76
446107 ncm-dbt-02 585506 500 32 233 235 -148.02 ± 13.35 12 179 57 2 0 -342.85 ± 45.71
446106 ncm-dbt-04 567126 500 36 227 237 -139.81 ± 14.89 14 170 59 7 0 -306.84 ± 44.88
446105 ncm-dbt-01 582360 500 41 228 231 -136.56 ± 15.62 19 155 70 6 0 -282.94 ± 41.13
446104 ncm-dbt-05 584034 500 31 216 253 -134.95 ± 13.03 6 177 63 4 0 -312.48 ± 43.44
446103 ncm-dbt-03 587834 500 31 232 237 -148.02 ± 14.12 15 174 58 3 0 -333.32 ± 45.35
446102 ncm-dbt-01 582444 500 41 228 231 -136.56 ± 13.55 7 179 58 6 0 -315.35 ± 45.33
446101 ncm-dbt-04 566375 500 37 234 229 -144.71 ± 14.23 14 173 59 4 0 -324.17 ± 44.97
446100 ncm-dbt-02 584832 500 40 238 222 -145.54 ± 14.02 13 176 57 4 0 -330.23 ± 45.79
446099 ncm-dbt-03 585000 500 41 225 234 -134.15 ± 15.01 14 163 66 7 0 -288.06 ± 42.4
446098 ncm-dbt-05 576987 500 37 226 237 -138.18 ± 14.23 11 173 60 6 0 -309.64 ± 44.55
446097 ncm-dbt-01 581943 500 35 230 235 -143.07 ± 14.28 15 168 64 3 0 -315.35 ± 43.03
446096 ncm-dbt-04 566730 500 39 220 241 -131.74 ± 14.03 10 166 69 5 0 -290.66 ± 41.43
446095 ncm-dbt-03 585253 500 41 227 232 -135.76 ± 13.57 9 172 65 4 0 -306.84 ± 42.73
446094 ncm-dbt-02 586604 500 46 228 226 -132.54 ± 13.83 11 163 73 3 0 -290.66 ± 40.08
446093 ncm-dbt-05 584706 500 40 230 230 -138.99 ± 13.67 12 168 68 2 0 -309.64 ± 41.56
446092 ncm-dbt-01 583908 500 37 229 234 -140.62 ± 14.7 14 170 60 6 0 -309.64 ± 44.55
446091 ncm-dbt-04 567720 500 39 230 231 -139.81 ± 14.19 14 166 67 3 0 -306.84 ± 41.99
446090 ncm-dbt-02 587155 500 30 231 239 -148.02 ± 13.15 10 184 53 3 0 -349.43 ± 47.56
446089 ncm-dbt-03 586562 500 36 224 240 -137.37 ± 13.34 9 173 65 3 0 -312.48 ± 42.67
446088 ncm-dbt-05 581070 500 40 220 240 -130.94 ± 13.51 9 165 73 3 0 -290.66 ± 40.08

Commit

Commit ID 329ef2a6aa362f4d831bdde4b31da40f3547985d
Author Krystian Kuzniarek
Date 2021-01-30 11:57:27 UTC
Change lock type No additional features of std::unique_lock has been previously used so it's better to use a lighter lock. closes https://github.com/official-stockfish/Stockfish/pull/3284 No functional change.
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