Dev Builds » 20230410-0728

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:01:44 1221338 3358 1415 322 1621 +117.36 ± 5.34 1 50 516 1079 33 +258.7 ± 15.01
ncm-dbt-02 09:54:46 1179913 3304 1375 325 1604 +114.37 ± 5.55 2 61 509 1045 35 +249.43 ± 15.11
ncm-dbt-03 09:58:59 1188147 3330 1427 348 1555 +116.79 ± 5.53 2 49 530 1036 48 +252.13 ± 14.8
ncm-dbt-04 10:01:52 1231480 3362 1411 317 1634 +117.32 ± 5.27 0 45 532 1069 35 +257.58 ± 14.76
ncm-dbt-05 09:55:54 1180049 3318 1365 309 1644 +114.55 ± 5.49 3 54 520 1048 34 +250.68 ± 14.95
ncm-dbt-06 09:59:51 1174867 3328 1390 330 1608 +114.65 ± 5.52 0 56 537 1026 45 +246.29 ± 14.71
20000 8383 1951 9666 +115.85 ± 2.23 8 315 3144 6303 230 +252.46 ± 6.07

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
183320 ncm-dbt-02 1244919 296 131 36 129 +115.59 ± 17.42 0 4 47 95 2 +256.66 ± 50.36
183319 ncm-dbt-05 1240821 304 120 26 158 +111.06 ± 16.79 0 3 54 93 2 +243.7 ± 46.57
183318 ncm-dbt-06 1249814 314 123 26 165 +110.95 ± 17.81 0 5 54 94 4 +236.7 ± 46.83
183317 ncm-dbt-03 1231758 308 134 24 150 +129.8 ± 17.84 0 3 44 101 6 +285.06 ± 52.18
183316 ncm-dbt-01 1228818 358 146 42 170 +103.92 ± 15.22 0 5 65 109 0 +230.69 ± 42.46
183315 ncm-dbt-04 1231327 362 144 28 190 +115.39 ± 15.65 0 2 66 108 5 +248.11 ± 41.73
183308 ncm-dbt-02 1245360 500 211 51 238 +115.22 ± 13.88 0 6 85 152 7 +247.41 ± 37.09
183307 ncm-dbt-05 1226329 500 202 47 251 +111.37 ± 13.89 1 7 81 158 3 +247.41 ± 38.13
183306 ncm-dbt-06 1224577 500 203 53 244 +107.54 ± 14.83 0 12 83 148 7 +226.0 ± 37.66
183305 ncm-dbt-03 1237722 500 210 47 243 +117.55 ± 14.53 0 9 77 156 8 +251.89 ± 39.16
183304 ncm-dbt-01 1225658 500 203 50 247 +109.83 ± 13.89 0 10 80 157 3 +240.82 ± 38.39
183303 ncm-dbt-04 1234256 500 221 48 231 +125.38 ± 14.3 0 9 66 168 7 +277.93 ± 42.33
183296 ncm-dbt-02 1237038 500 200 56 244 +102.97 ± 13.87 0 12 83 154 1 +226.0 ± 37.66
183295 ncm-dbt-03 1235156 500 217 59 224 +113.68 ± 14.22 0 6 89 146 9 +238.66 ± 36.16
183294 ncm-dbt-05 1240358 500 206 34 260 +124.6 ± 13.97 0 8 68 168 6 +277.93 ± 41.74
183293 ncm-dbt-06 1227377 500 219 46 235 +125.38 ± 13.79 0 4 78 159 9 +273.0 ± 38.74
183292 ncm-dbt-01 1201578 500 215 50 235 +119.11 ± 14.03 1 7 72 166 4 +268.17 ± 40.54
183291 ncm-dbt-04 1236500 500 210 49 241 +116.0 ± 13.37 0 6 81 159 4 +256.44 ± 38.07
183278 ncm-dbt-02 1241572 500 202 36 262 +119.89 ± 14.99 1 9 71 161 8 +261.07 ± 40.78
183277 ncm-dbt-05 1234484 500 217 45 238 +124.6 ± 14.14 0 9 66 169 6 +277.93 ± 42.33
183276 ncm-dbt-03 1262652 500 220 54 226 +119.89 ± 14.02 0 8 74 162 6 +263.42 ± 39.97
183275 ncm-dbt-06 1216277 500 211 48 241 +117.55 ± 14.04 0 8 77 159 6 +256.44 ± 39.15
183274 ncm-dbt-01 1238253 500 210 42 248 +121.45 ± 13.84 0 6 77 160 7 +265.78 ± 39.12
183273 ncm-dbt-04 1216478 500 206 45 249 +116.0 ± 13.37 0 4 87 153 6 +251.89 ± 36.48
183266 ncm-dbt-02 758967 500 209 51 240 +113.68 ± 14.85 1 10 75 158 6 +247.41 ± 39.65
183265 ncm-dbt-05 820223 500 200 53 247 +105.25 ± 15.26 2 10 83 149 6 +226.0 ± 37.66
183264 ncm-dbt-03 818165 500 218 60 222 +113.68 ± 14.69 0 10 80 152 8 +240.82 ± 38.39
183263 ncm-dbt-06 769017 500 213 54 233 +114.45 ± 15.31 0 12 77 151 10 +238.66 ± 39.1
183262 ncm-dbt-02 1248827 8 3 0 5 +136.8 ± 89.09 0 0 1 3 0 +337.69 ± 541.44
183261 ncm-dbt-05 1213571 14 6 1 7 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
183260 ncm-dbt-06 1234916 14 6 2 6 +102.08 ± 106.14 0 1 1 5 0 +225.71 ± 594.39
183259 ncm-dbt-03 1246326 22 10 3 9 +114.47 ± 55.67 0 0 4 7 0 +261.2 ± 212.89
183258 ncm-dbt-01 1213122 500 212 36 252 +127.76 ± 14.27 0 7 69 165 9 +280.42 ± 41.44
183257 ncm-dbt-04 1226291 500 208 53 239 +111.37 ± 12.69 0 6 83 161 0 +251.89 ± 37.57
183250 ncm-dbt-02 1229433 500 219 46 235 +125.38 ± 14.13 0 9 65 170 6 +280.42 ± 42.65
183249 ncm-dbt-05 1227555 500 206 54 240 +109.07 ± 14.68 0 12 80 152 6 +232.26 ± 38.36
183248 ncm-dbt-06 1247247 500 202 51 247 +108.3 ± 14.05 0 9 86 150 5 +232.26 ± 36.96
183247 ncm-dbt-03 1250742 500 206 51 243 +111.37 ± 14.84 2 6 84 151 7 +240.82 ± 37.4
183246 ncm-dbt-01 1199331 500 219 48 233 +123.81 ± 12.73 0 4 74 169 3 +282.94 ± 39.86
183245 ncm-dbt-04 1237781 500 203 55 242 +106.01 ± 14.36 0 10 88 146 6 +223.94 ± 36.53
183238 ncm-dbt-03 1222660 500 212 50 238 +116.77 ± 13.54 0 7 78 161 4 +258.75 ± 38.88
183237 ncm-dbt-05 1237058 500 208 49 243 +114.45 ± 13.38 0 5 86 154 5 +249.64 ± 36.79
183236 ncm-dbt-02 1233195 500 200 49 251 +108.3 ± 14.37 0 11 82 152 5 +232.26 ± 37.9
183235 ncm-dbt-06 1229711 500 213 50 237 +117.55 ± 13.18 0 5 81 160 4 +261.07 ± 38.02
183234 ncm-dbt-04 1237730 500 219 39 242 +130.94 ± 14.04 0 8 61 174 7 +295.94 ± 44.08
183233 ncm-dbt-01 1242608 500 210 54 236 +112.14 ± 14.69 0 11 79 153 7 +238.66 ± 38.63

Commit

Commit ID a5643b89fda5060d4b40dff54afe02816c899dd4
Author MinetaS
Date 2023-04-10 07:28:37 UTC
Remove extraReduction Since bestValue becomes value and beta - alpha is always non-negative, extraReduction is always false, hence it has no effect. This patch includes small changes to improve readability. closes https://github.com/official-stockfish/Stockfish/pull/4505 No functional change
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