Dev Builds » 20250126-2141

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 06:48:02 584979 4000 1580 523 1897 +94.04 ± 4.87 3 85 775 1126 11 +202.39 ± 12.21
ncm-dbt-02 06:48:52 586670 4006 1574 524 1908 +93.24 ± 4.9 3 90 775 1124 11 +200.35 ± 12.22
ncm-dbt-03 06:47:40 587472 4000 1561 508 1931 +93.67 ± 4.87 2 84 788 1111 15 +200.24 ± 12.1
ncm-dbt-04 06:49:05 571489 3994 1578 510 1906 +95.22 ± 4.89 2 80 783 1112 20 +203.01 ± 12.13
ncm-dbt-05 06:48:29 585231 4000 1557 523 1920 +91.9 ± 4.85 1 85 809 1089 16 +195.28 ± 11.93
20000 7850 2588 9562 +93.61 ± 2.18 11 424 3930 5562 73 +200.24 ± 5.42

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397364 ncm-dbt-02 586097 6 1 1 4 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15
397363 ncm-dbt-04 572880 494 193 52 249 +102.0 ± 14.45 0 12 86 145 4 +217.18 ± 36.98
397362 ncm-dbt-05 586223 500 192 58 250 +95.44 ± 13.31 0 10 96 144 0 +207.95 ± 34.86
397361 ncm-dbt-01 585506 500 200 67 233 +94.7 ± 13.62 1 7 102 138 2 +204.07 ± 33.61
397360 ncm-dbt-03 587197 500 202 52 246 +107.54 ± 13.56 0 9 84 155 2 +236.51 ± 37.42
397359 ncm-dbt-02 586646 500 199 57 244 +101.46 ± 13.85 0 11 88 149 2 +219.87 ± 36.54
397358 ncm-dbt-05 584537 500 189 60 251 +91.71 ± 14.49 0 15 94 138 3 +192.71 ± 35.33
397357 ncm-dbt-04 569949 500 204 57 239 +105.25 ± 12.53 0 3 99 146 2 +230.16 ± 33.79
397356 ncm-dbt-01 584243 500 200 57 243 +102.22 ± 13.21 0 7 95 146 2 +221.9 ± 34.93
397355 ncm-dbt-02 585632 500 192 61 247 +93.2 ± 13.12 0 9 101 140 0 +202.15 ± 33.85
397354 ncm-dbt-03 586689 500 195 58 247 +97.69 ± 13.66 0 11 92 146 1 +211.87 ± 35.7
397353 ncm-dbt-04 569749 500 201 66 233 +96.19 ± 13.48 0 9 99 140 2 +206.01 ± 34.24
397352 ncm-dbt-01 583950 500 196 63 241 +94.69 ± 13.78 0 12 94 143 1 +204.07 ± 35.31
397351 ncm-dbt-05 585084 500 199 60 241 +99.2 ± 14.45 0 15 83 150 2 +213.85 ± 37.6
397350 ncm-dbt-02 588515 500 205 59 236 +104.49 ± 13.55 0 11 82 157 0 +232.26 ± 37.9
397349 ncm-dbt-03 585970 500 199 73 228 +89.48 ± 13.22 0 9 107 133 1 +190.85 ± 32.75
397348 ncm-dbt-04 572921 500 199 66 235 +94.69 ± 13.62 0 10 99 139 2 +202.15 ± 34.28
397347 ncm-dbt-05 583614 500 200 65 235 +96.19 ± 13.48 1 6 102 139 2 +207.95 ± 33.55
397346 ncm-dbt-01 585211 500 194 60 246 +95.44 ± 13.47 0 11 94 145 0 +207.95 ± 35.29
397345 ncm-dbt-02 585674 500 198 65 237 +94.69 ± 13.3 0 9 100 140 1 +204.07 ± 34.04
397344 ncm-dbt-03 587325 500 187 60 253 +90.22 ± 14.31 0 15 95 138 2 +190.85 ± 35.14
397343 ncm-dbt-04 570549 500 201 76 223 +88.74 ± 14.13 0 12 105 129 4 +183.51 ± 33.24
397342 ncm-dbt-01 584958 500 201 76 223 +88.74 ± 14.57 2 11 99 136 2 +190.85 ± 34.36
397341 ncm-dbt-05 586223 500 198 83 219 +81.36 ± 13.96 0 13 112 122 3 +167.53 ± 32.08
397340 ncm-dbt-02 585843 500 209 65 226 +102.97 ± 14.34 1 10 86 150 3 +223.94 ± 36.98
397339 ncm-dbt-03 589411 500 190 68 242 +86.52 ± 13.47 0 12 104 134 0 +185.33 ± 33.42
397338 ncm-dbt-01 584874 500 205 69 226 +96.94 ± 14.12 0 15 84 151 0 +211.87 ± 37.38
397337 ncm-dbt-04 570909 500 188 61 251 +90.22 ± 13.86 0 12 101 135 2 +190.85 ± 33.97
397336 ncm-dbt-05 581818 500 196 67 237 +91.71 ± 12.93 0 6 111 131 2 +194.57 ± 31.84
397335 ncm-dbt-02 583531 500 185 68 247 +82.83 ± 13.85 0 13 109 126 2 +172.78 ± 32.58
397334 ncm-dbt-03 588600 500 197 66 237 +93.2 ± 14.06 1 9 101 136 3 +198.34 ± 33.9
397333 ncm-dbt-01 585506 500 190 76 234 +80.63 ± 13.33 0 11 115 123 1 +169.27 ± 31.5
397332 ncm-dbt-04 571793 500 198 68 234 +92.45 ± 13.59 0 11 99 139 1 +198.34 ± 34.31
397331 ncm-dbt-02 588345 500 189 71 240 +83.57 ± 13.41 0 12 108 130 0 +178.11 ± 32.72
397330 ncm-dbt-03 584832 500 192 65 243 +90.22 ± 14.31 1 11 101 134 3 +190.85 ± 33.97
397329 ncm-dbt-05 587707 500 197 66 237 +93.2 ± 13.44 0 9 103 136 2 +198.34 ± 33.48
397328 ncm-dbt-04 573163 500 194 64 242 +92.46 ± 14.79 2 11 95 139 3 +198.34 ± 35.12
397327 ncm-dbt-01 585590 500 194 55 251 +99.2 ± 13.99 0 11 92 144 3 +211.87 ± 35.7
397326 ncm-dbt-02 589753 500 196 77 227 +84.31 ± 15.18 2 15 98 132 3 +178.11 ± 34.58
397325 ncm-dbt-05 586646 500 186 64 250 +86.52 ± 13.63 0 11 108 129 2 +181.7 ± 32.68
397324 ncm-dbt-03 589753 500 199 66 235 +94.69 ± 13.46 0 8 104 135 3 +200.24 ± 33.24

Commit

Commit ID 831cb01cea9e41d7f09406a9a0cf0913bf205cc4
Author Martin Novák
Date 2025-01-26 21:41:00 UTC
Remove major corrhist Remove major correction history and slightly increase all other correction weights. Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 50080 W: 13171 L: 12959 D: 23950 Ptnml(0-2): 196, 5998, 12462, 6166, 218 https://tests.stockfishchess.org/tests/live_elo/67954526406a4efe9eb7d176 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 51504 W: 13188 L: 12995 D: 25321 Ptnml(0-2): 54, 5658, 14128, 5865, 47 https://tests.stockfishchess.org/tests/live_elo/67954961406a4efe9eb7d251 closes https://github.com/official-stockfish/Stockfish/pull/5822 Bench: 2081366
Copyright 2011–2025 Next Chess Move LLC