Dev Builds » 20221003-0950

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 10:03:43 1251849 3396 1353 396 1647 +100.63 ± 5.51 1 80 606 983 28 +213.71 ± 13.84
ncm-dbt-02 09:59:52 1267010 3352 1319 388 1645 +99.1 ± 5.52 1 77 615 956 27 +209.89 ± 13.73
ncm-dbt-03 10:04:36 1274580 3380 1336 375 1669 +101.58 ± 5.36 2 60 629 973 26 +217.07 ± 13.55
ncm-dbt-04 10:04:19 1256539 3372 1318 361 1693 +101.39 ± 5.42 0 73 607 982 24 +216.54 ± 13.82
ncm-dbt-05 09:59:35 1141128 3348 1332 377 1639 +101.93 ± 5.44 0 70 606 971 27 +217.03 ± 13.83
ncm-dbt-06 09:26:27 1218288 3152 1245 393 1514 +96.31 ± 5.83 1 82 589 872 32 +200.69 ± 14.04
20000 7903 2290 9807 +100.2 ± 2.25 5 442 3652 5737 164 +212.56 ± 5.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
197390 ncm-dbt-05 1233842 150 61 18 71 +102.46 ± 25.45 0 2 30 41 2 +213.19 ± 62.82
197389 ncm-dbt-06 1235366 152 62 14 76 +113.59 ± 24.27 0 1 28 45 2 +243.7 ± 65.05
197388 ncm-dbt-02 1225946 154 64 22 68 +97.21 ± 26.7 0 2 35 36 4 +187.85 ± 57.25
197387 ncm-dbt-04 1221306 172 71 21 80 +103.99 ± 24.1 0 5 26 55 0 +230.89 ± 68.25
197386 ncm-dbt-03 1261334 178 69 22 87 +93.96 ± 27.4 1 5 32 48 3 +193.46 ± 61.26
197385 ncm-dbt-01 1205332 194 82 22 90 +111.09 ± 26.65 0 7 28 57 5 +223.44 ± 65.09
197384 ncm-dbt-05 1247482 500 204 66 230 +98.44 ± 13.18 0 6 103 138 3 +209.91 ± 33.29
197383 ncm-dbt-02 1232401 500 194 61 245 +94.69 ± 14.09 0 12 96 139 3 +200.24 ± 34.91
197382 ncm-dbt-06 1218493 500 197 63 240 +95.44 ± 13.94 0 13 91 145 1 +206.01 ± 35.92
197381 ncm-dbt-04 1237162 500 194 51 255 +102.22 ± 13.7 0 9 92 146 3 +219.87 ± 35.65
197380 ncm-dbt-03 1238712 500 201 59 240 +101.46 ± 14.32 0 11 91 143 5 +213.85 ± 35.9
197379 ncm-dbt-01 1197848 500 200 52 248 +106.01 ± 13.72 0 9 87 151 3 +230.16 ± 36.73
197378 ncm-dbt-05 1236312 500 210 68 222 +101.46 ± 14.32 0 9 97 137 7 +209.91 ± 34.63
197377 ncm-dbt-06 1210133 500 202 60 238 +101.46 ± 14.32 0 10 94 140 6 +211.87 ± 35.26
197376 ncm-dbt-02 1243237 500 203 52 245 +108.3 ± 13.23 0 6 90 151 3 +236.51 ± 35.94
197375 ncm-dbt-04 1220689 500 190 52 258 +98.44 ± 14.14 0 9 100 135 6 +204.07 ± 34.04
197374 ncm-dbt-03 1235826 500 196 46 258 +107.54 ± 13.73 0 8 88 150 4 +232.26 ± 36.48
197373 ncm-dbt-01 1221203 500 203 65 232 +98.44 ± 14.44 0 12 93 140 5 +206.01 ± 35.51
197372 ncm-dbt-05 1236261 500 197 50 253 +105.25 ± 15.11 0 15 79 150 6 +221.9 ± 38.51
197371 ncm-dbt-02 1234684 500 195 54 251 +100.7 ± 14.01 0 10 93 143 4 +213.85 ± 35.47
197370 ncm-dbt-06 1218476 500 188 56 256 +93.95 ± 14.07 0 13 94 141 2 +200.24 ± 35.32
197369 ncm-dbt-04 1217947 500 186 55 259 +93.2 ± 13.75 0 11 99 138 2 +198.34 ± 34.31
197368 ncm-dbt-03 1228687 500 196 46 258 +107.54 ± 14.21 0 11 82 153 4 +232.26 ± 37.9
197367 ncm-dbt-01 1226901 500 206 59 235 +105.25 ± 14.51 1 8 90 145 6 +223.94 ± 36.07
197366 ncm-dbt-05 1214847 500 194 56 250 +98.44 ± 13.82 0 11 92 145 2 +211.87 ± 35.7
197365 ncm-dbt-02 1231564 500 191 62 247 +91.71 ± 15.06 1 17 86 144 2 +196.45 ± 36.88
197364 ncm-dbt-06 1207057 500 199 58 243 +100.7 ± 15.21 0 14 89 139 8 +206.01 ± 36.33
197363 ncm-dbt-04 1239058 500 199 61 240 +98.44 ± 14.29 0 13 89 145 3 +209.91 ± 36.34
197362 ncm-dbt-03 1256854 500 200 56 244 +102.97 ± 13.04 0 6 96 146 2 +223.94 ± 34.66
197361 ncm-dbt-01 1215255 500 199 51 250 +106.01 ± 13.39 0 8 88 152 2 +232.26 ± 36.48
197360 ncm-dbt-05 1214779 500 194 49 257 +103.73 ± 14.19 0 11 87 148 4 +221.9 ± 36.76
197359 ncm-dbt-06 1221361 500 202 77 221 +88.74 ± 15.28 0 18 95 131 6 +179.9 ± 35.13
197358 ncm-dbt-04 1226132 500 197 48 255 +106.77 ± 13.56 0 8 88 151 3 +232.26 ± 36.48
197357 ncm-dbt-02 1250089 500 192 50 258 +101.46 ± 14.78 0 11 94 137 8 +207.95 ± 35.29
197356 ncm-dbt-01 1240826 500 182 60 258 +86.52 ± 14.53 0 17 96 135 2 +181.7 ± 34.95
197355 ncm-dbt-03 1246080 500 197 68 235 +91.71 ± 13.88 1 9 102 136 2 +196.45 ± 33.71
197354 ncm-dbt-06 1217136 500 195 65 240 +92.46 ± 15.22 1 13 98 131 7 +189.0 ± 34.56
197353 ncm-dbt-05 1241974 500 193 46 261 +105.25 ± 13.56 0 10 84 155 1 +232.26 ± 37.43
197352 ncm-dbt-02 1238477 500 197 64 239 +94.69 ± 14.83 0 17 86 144 3 +200.24 ± 36.91
197351 ncm-dbt-01 1233173 500 199 61 240 +98.44 ± 15.03 0 18 79 150 3 +209.91 ± 38.37
197350 ncm-dbt-04 1218267 500 208 58 234 +107.54 ± 14.37 0 13 77 157 3 +234.38 ± 39.07
197349 ncm-dbt-03 1245494 500 198 54 248 +102.97 ± 13.38 0 5 101 139 5 +217.85 ± 33.59
177256 ncm-dbt-05 503528 198 79 24 95 +99.11 ± 23.75 0 6 34 57 2 +207.63 ± 59.41
177255 ncm-dbt-04 1471756 200 73 15 112 +103.73 ± 24.25 0 5 36 55 4 +209.91 ± 57.72
177254 ncm-dbt-02 1479687 198 83 23 92 +108.69 ± 19.94 0 2 35 62 0 +244.13 ± 58.28
177253 ncm-dbt-03 1483654 202 79 24 99 +97.04 ± 22.2 0 5 37 58 1 +207.29 ± 56.89
177252 ncm-dbt-01 1474254 202 82 26 94 +98.9 ± 20.35 0 1 45 53 2 +207.29 ± 49.8

Commit

Commit ID f436bf77ad2eb42228747d9aa58eeb7403e23d49
Author disservin
Date 2022-10-03 09:50:31 UTC
Use less reduction for escaping moves This patch reuses the threatenedPieces variable (which is calculated in movepicker) to reduce less in the search tree the moves which escape a capture. passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 314352 W: 84042 L: 83328 D: 146982 Ptnml(0-2): 1105, 35084, 84207, 35552, 1228 https://tests.stockfishchess.org/tests/view/63355f37a004bed9a2e4a17f passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 90752 W: 24556 L: 24147 D: 42049 Ptnml(0-2): 59, 8855, 27123, 9296, 43 https://tests.stockfishchess.org/tests/view/63383a7735f43d649ff5fa8b closes https://github.com/official-stockfish/Stockfish/pull/4181 bench: 4114228
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