Dev Builds » 20250418-1232

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 06:46:39 581666 3982 1612 450 1920 +104.42 ± 4.82 2 66 710 1194 19 +227.6 ± 12.76
ncm-dbt-02 06:45:19 585395 4000 1619 425 1956 +106.97 ± 4.8 0 58 721 1190 31 +230.95 ± 12.64
ncm-dbt-03 06:47:10 584988 4014 1646 442 1926 +107.52 ± 4.61 1 49 715 1229 13 +237.54 ± 12.68
ncm-dbt-04 06:50:35 569572 4032 1614 487 1931 +99.77 ± 4.82 0 76 759 1159 22 +213.91 ± 12.33
ncm-dbt-05 06:44:51 584145 3972 1617 486 1869 +101.74 ± 4.83 2 68 730 1169 17 +220.85 ± 12.58
20000 8108 2290 9602 +104.07 ± 2.14 5 317 3635 5941 102 +226.06 ± 5.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
409371 ncm-dbt-03 584369 14 7 2 5 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
409370 ncm-dbt-04 570709 32 13 4 15 +100.39 ± 66.1 0 1 6 8 1 +190.85 ± 155.67
409369 ncm-dbt-05 581153 472 204 52 216 +116.01 ± 14.24 0 9 69 155 3 +258.38 ± 41.4
409368 ncm-dbt-01 581194 482 198 58 226 +103.9 ± 14.38 0 11 82 145 3 +224.18 ± 37.89
409367 ncm-dbt-02 588004 500 208 49 243 +114.45 ± 13.38 0 5 86 154 5 +249.64 ± 36.79
409366 ncm-dbt-03 585295 500 209 62 229 +105.25 ± 12.53 0 3 99 146 2 +230.16 ± 33.79
409365 ncm-dbt-04 571793 500 203 59 238 +102.97 ± 13.54 0 8 93 146 3 +221.9 ± 35.4
409364 ncm-dbt-05 585506 500 199 63 238 +96.94 ± 14.12 1 11 90 147 1 +211.87 ± 36.13
409363 ncm-dbt-01 581111 500 203 58 239 +103.73 ± 13.38 0 8 91 149 2 +226.0 ± 35.82
409362 ncm-dbt-02 586562 500 204 55 241 +106.77 ± 14.21 0 9 89 146 6 +226.0 ± 36.29
409361 ncm-dbt-03 582569 500 214 55 231 +114.45 ± 13.03 0 4 87 155 4 +251.89 ± 36.48
409360 ncm-dbt-04 568832 500 195 56 249 +99.2 ± 14.3 0 13 88 146 3 +211.87 ± 36.55
409359 ncm-dbt-05 580406 500 219 64 217 +111.37 ± 13.22 0 6 86 155 3 +245.2 ± 36.85
409358 ncm-dbt-01 578671 500 197 74 229 +87.26 ± 14.25 0 14 102 131 3 +181.7 ± 33.83
409357 ncm-dbt-02 582277 500 203 57 240 +104.49 ± 13.88 0 8 93 144 5 +221.9 ± 35.4
409356 ncm-dbt-03 586943 500 198 55 247 +102.22 ± 13.04 1 5 94 150 0 +228.08 ± 35.08
409355 ncm-dbt-04 568395 500 205 64 231 +100.7 ± 13.36 0 6 101 139 4 +213.85 ± 33.67
409354 ncm-dbt-05 586520 500 200 72 228 +90.96 ± 13.72 0 11 102 135 2 +192.71 ± 33.75
409353 ncm-dbt-01 580862 500 196 43 261 +109.83 ± 13.05 0 6 87 155 2 +243.0 ± 36.62
409352 ncm-dbt-02 587197 500 205 64 231 +100.7 ± 13.36 0 7 98 142 3 +215.85 ± 34.33
409351 ncm-dbt-03 584495 500 202 49 249 +109.83 ± 13.05 0 8 81 161 0 +247.41 ± 38.13
409350 ncm-dbt-04 566533 500 208 60 232 +106.01 ± 14.36 0 13 79 155 3 +230.16 ± 38.58
409349 ncm-dbt-05 586139 500 191 61 248 +92.45 ± 13.27 0 8 106 134 2 +196.45 ± 32.87
409348 ncm-dbt-02 586223 500 197 57 246 +99.95 ± 13.03 0 6 100 142 2 +215.85 ± 33.86
409347 ncm-dbt-01 582903 500 213 63 224 +107.54 ± 13.89 1 7 86 153 3 +236.51 ± 36.93
409346 ncm-dbt-03 584327 500 205 62 233 +102.22 ± 13.37 0 9 90 150 1 +223.94 ± 36.07
409345 ncm-dbt-04 569669 500 201 57 242 +102.97 ± 13.54 0 9 90 149 2 +223.94 ± 36.07
409344 ncm-dbt-05 583363 500 195 55 250 +99.95 ± 13.84 0 9 96 141 4 +211.87 ± 34.83
409343 ncm-dbt-02 584034 500 203 57 240 +104.49 ± 13.55 0 9 88 151 2 +228.08 ± 36.51
409342 ncm-dbt-01 581485 500 203 52 245 +108.3 ± 13.4 0 8 85 155 2 +238.66 ± 37.17
409341 ncm-dbt-03 585084 500 206 53 241 +109.83 ± 13.4 0 6 89 151 4 +238.66 ± 36.16
409340 ncm-dbt-04 569071 500 195 64 241 +93.2 ± 13.12 0 7 107 134 2 +198.34 ± 32.63
409339 ncm-dbt-05 581985 500 209 58 233 +108.3 ± 13.73 1 7 84 156 2 +240.82 ± 37.4
409338 ncm-dbt-02 584706 500 201 40 259 +116.0 ± 14.21 0 8 80 155 7 +249.64 ± 38.38
409337 ncm-dbt-01 582987 500 201 51 248 +107.54 ± 13.73 1 7 85 155 2 +238.66 ± 37.17
409336 ncm-dbt-03 584958 500 211 60 229 +108.3 ± 12.53 0 4 92 153 1 +240.82 ± 35.35
409335 ncm-dbt-04 568991 500 201 57 242 +102.97 ± 13.54 0 8 93 146 3 +221.9 ± 35.4
409334 ncm-dbt-05 588089 500 200 61 239 +99.2 ± 12.85 0 7 97 146 0 +217.85 ± 34.53
409333 ncm-dbt-02 584159 500 198 46 256 +109.07 ± 12.88 0 6 87 156 1 +243.0 ± 36.62
409332 ncm-dbt-01 584117 500 201 51 248 +107.54 ± 12.88 0 5 92 151 2 +236.51 ± 35.43
409331 ncm-dbt-03 586858 500 194 44 262 +107.54 ± 13.56 0 10 81 158 1 +238.66 ± 38.15
409330 ncm-dbt-04 572155 500 193 66 241 +90.22 ± 13.55 0 11 102 136 1 +192.71 ± 33.75

Commit

Commit ID 3d18ad719b2e7103e27936561f8276fbed9a354b
Author Daniel Monroe
Date 2025-04-18 12:32:26 UTC
Skip 5th continuation history Passed simplification STC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 70208 W: 18098 L: 17914 D: 34196 Ptnml(0-2): 199, 8300, 17907, 8514, 184 https://tests.stockfishchess.org/tests/view/67ed889b31d7cf8afdc451cb Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 485004 W: 122703 L: 122956 D: 239345 Ptnml(0-2): 288, 53162, 135805, 53009, 238 https://tests.stockfishchess.org/tests/view/67ee810231d7cf8afdc452ea closes https://github.com/official-stockfish/Stockfish/pull/5992 Bench: 1715901
Copyright 2011–2025 Next Chess Move LLC