Dev Builds » 20230503-1841

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 09:52:34 1191593 3344 1411 281 1652 +122.21 +/- 5.35 1 44 492 1094 41 +270.52 +/- 15.37
ncm-dbt-02 09:51:37 1226787 3310 1384 287 1639 +119.66 +/- 5.42 0 54 486 1079 36 +264.06 +/- 15.47
ncm-dbt-03 09:55:05 1240313 3352 1435 308 1609 +121.54 +/- 5.24 0 41 503 1096 36 +269.94 +/- 15.19
ncm-dbt-04 09:55:38 1230562 3326 1406 302 1618 +119.86 +/- 5.23 0 36 524 1066 37 +264.37 +/- 14.86
ncm-dbt-05 09:52:40 1226531 3310 1392 297 1621 +119.43 +/- 5.41 2 49 490 1080 34 +264.77 +/- 15.4
ncm-dbt-06 09:56:37 1225898 3358 1459 320 1579 +122.71 +/- 5.46 0 50 491 1087 51 +268.17 +/- 15.39
20000 8487 1795 9718 +120.91 +/- 2.19 3 274 2986 6502 235 +266.97 +/- 6.23

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
186392 ncm-dbt-05 1221438 310 134 23 153 +130.17 +/- 17.39 0 5 37 110 3 +299.14 +/- 57.06
186391 ncm-dbt-02 1237276 310 132 23 155 +127.6 +/- 16.71 0 2 46 103 4 +286.4 +/- 50.81
186390 ncm-dbt-04 1226028 326 137 30 159 +118.41 +/- 18.86 0 8 46 103 6 +251.68 +/- 50.79
186389 ncm-dbt-01 1184910 344 144 27 173 +123.07 +/- 17.27 0 6 48 113 5 +270.07 +/- 49.89
186388 ncm-dbt-03 1230571 352 153 34 165 +122.26 +/- 16.73 0 7 46 120 3 +274.89 +/- 50.88
186387 ncm-dbt-06 1212334 358 161 39 158 +123.33 +/- 18.64 0 8 51 110 10 +255.13 +/- 48.25
186380 ncm-dbt-05 1212092 500 213 52 235 +116.0 +/- 13.88 0 7 81 156 6 +251.89 +/- 38.11
186379 ncm-dbt-02 1222108 500 210 47 243 +117.55 +/- 13.87 0 5 85 152 8 +251.89 +/- 37.03
186378 ncm-dbt-04 1251493 500 207 45 248 +116.77 +/- 13.01 0 3 87 155 5 +256.44 +/- 36.38
186377 ncm-dbt-01 1214066 500 212 38 250 +126.17 +/- 13.77 0 5 74 163 8 +277.93 +/- 39.92
186376 ncm-dbt-03 1253672 500 206 52 242 +110.6 +/- 13.89 0 8 85 152 5 +238.66 +/- 37.17
186375 ncm-dbt-06 1212102 500 216 37 247 +130.14 +/- 13.7 0 7 63 174 6 +295.94 +/- 43.42
186368 ncm-dbt-05 1235481 500 204 49 247 +111.37 +/- 14.69 2 8 77 159 4 +247.41 +/- 39.15
186367 ncm-dbt-02 1220154 500 207 40 253 +120.67 +/- 13.15 0 8 68 173 1 +277.93 +/- 41.74
186366 ncm-dbt-04 1242496 500 214 36 250 +129.35 +/- 12.21 0 1 74 171 4 +298.62 +/- 39.56
186365 ncm-dbt-01 1184113 500 226 47 227 +130.14 +/- 13.7 0 5 69 168 8 +290.66 +/- 41.43
186364 ncm-dbt-03 1251865 500 207 42 251 +119.11 +/- 13.34 0 7 74 166 3 +268.17 +/- 39.97
186363 ncm-dbt-06 1217781 500 198 48 254 +107.54 +/- 13.89 0 7 92 145 6 +228.08 +/- 35.56
186356 ncm-dbt-05 1231062 500 216 40 244 +127.76 +/- 13.39 0 6 67 172 5 +290.66 +/- 42.08
186355 ncm-dbt-02 1214294 500 204 40 256 +118.33 +/- 14.68 0 13 65 167 5 +261.07 +/- 42.35
186354 ncm-dbt-01 1207678 500 212 38 250 +126.17 +/- 13.42 0 6 69 170 5 +285.49 +/- 41.44
186353 ncm-dbt-04 1216693 500 208 37 255 +123.81 +/- 13.46 0 5 75 164 6 +275.45 +/- 39.63
186352 ncm-dbt-03 1238970 500 209 41 250 +121.45 +/- 13.49 0 5 78 161 6 +268.17 +/- 38.8
186351 ncm-dbt-06 1233796 500 218 46 236 +124.6 +/- 13.45 0 7 68 171 4 +282.94 +/- 41.76
186344 ncm-dbt-05 1224995 500 211 47 242 +118.33 +/- 14.36 0 10 72 162 6 +258.75 +/- 40.49
186343 ncm-dbt-01 1155689 500 208 44 248 +118.33 +/- 13.52 0 5 82 157 6 +258.75 +/- 37.76
186342 ncm-dbt-02 1219679 500 218 47 235 +123.81 +/- 14.48 0 7 75 158 10 +265.78 +/- 39.69
186341 ncm-dbt-04 1227351 500 206 62 232 +102.97 +/- 13.71 0 8 94 144 4 +219.87 +/- 35.19
186340 ncm-dbt-03 1238012 500 214 56 230 +113.68 +/- 14.22 0 9 80 155 6 +245.2 +/- 38.39
186339 ncm-dbt-06 1244959 500 221 43 236 +129.35 +/- 14.24 0 7 67 167 9 +285.49 +/- 42.08
186332 ncm-dbt-01 1195671 500 193 43 264 +107.54 +/- 14.52 1 9 84 151 5 +232.26 +/- 37.43
186331 ncm-dbt-02 1227297 500 210 44 246 +119.89 +/- 13.85 0 8 73 164 5 +265.78 +/- 40.25
186330 ncm-dbt-05 1230267 500 205 41 254 +118.33 +/- 14.03 0 9 73 163 5 +261.07 +/- 40.24
186329 ncm-dbt-04 1226833 500 218 45 237 +125.38 +/- 13.25 0 5 72 168 5 +282.94 +/- 40.5
186328 ncm-dbt-03 1231983 500 220 38 242 +132.54 +/- 12.71 0 3 67 175 5 +306.84 +/- 41.99
186327 ncm-dbt-06 1250286 500 217 53 230 +118.33 +/- 14.03 0 7 79 157 7 +256.44 +/- 38.62
186320 ncm-dbt-01 1199025 500 216 44 240 +124.6 +/- 13.62 0 8 66 172 4 +282.94 +/- 42.37
186319 ncm-dbt-05 1230386 500 209 45 246 +118.33 +/- 13.17 0 4 83 158 5 +261.07 +/- 37.44
186318 ncm-dbt-02 1246704 500 203 46 251 +112.91 +/- 14.05 0 11 74 162 3 +249.64 +/- 39.91
186317 ncm-dbt-03 1237120 500 226 45 229 +131.74 +/- 13.12 0 2 73 167 8 +295.94 +/- 39.99
186316 ncm-dbt-04 1223040 500 216 47 237 +122.24 +/- 13.83 0 6 76 161 7 +268.17 +/- 39.39
186315 ncm-dbt-06 1210033 500 228 54 218 +126.17 +/- 14.29 0 7 71 163 9 +275.45 +/- 40.84

Commit

Commit ID 72d542f00026fd8437e6033c95802714e4cd45d1
Author candirufish
Date 2023-05-03 18:41:33 UTC
Adjust reductions Decrease further on cutNodes with tte->depth() >= depth + 3 condition. LTC: https://tests.stockfishchess.org/tests/view/644dc84bccf5e93df5e50c13 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 155346 W: 42184 L: 41660 D: 71502 Ptnml(0-2): 59, 14765, 47504, 15283, 62 STC: https://tests.stockfishchess.org/tests/view/644d05de68e01d8194cd9bbb LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 121888 W: 32868 L: 32444 D: 56576 Ptnml(0-2): 332, 13273, 33343, 13631, 365 closes https://github.com/official-stockfish/Stockfish/pull/4552 bench: 3739675
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