Dev Builds » 20250126-2139

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 06:47:59 584114 4000 1580 544 1876 +92.08 ± 4.93 3 92 785 1106 14 +196.69 ± 12.14
ncm-dbt-02 06:49:30 586290 4000 1569 530 1901 +92.36 ± 4.84 0 88 799 1099 14 +196.69 ± 12.01
ncm-dbt-03 06:48:25 587953 4000 1570 513 1917 +94.04 ± 4.88 2 83 788 1110 17 +200.72 ± 12.1
ncm-dbt-04 06:49:15 570778 4022 1601 552 1869 +92.76 ± 4.79 2 74 824 1095 16 +197.71 ± 11.79
ncm-dbt-05 06:48:17 584343 3978 1573 508 1897 +95.34 ± 4.9 1 86 765 1121 16 +204.03 ± 12.29
20000 7893 2647 9460 +93.31 ± 2.18 8 423 3961 5531 77 +199.15 ± 5.39

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397408 ncm-dbt-04 571270 22 10 2 10 +132.34 ± 53.39 0 0 3 8 0 +320.54 ± 376.65
397407 ncm-dbt-05 581194 478 181 64 233 +86.8 ± 14.52 0 15 93 130 1 +184.13 ± 35.51
397406 ncm-dbt-02 584622 500 188 65 247 +87.26 ± 13.95 0 14 100 135 1 +185.33 ± 34.19
397405 ncm-dbt-01 584706 500 201 64 235 +97.69 ± 13.5 0 9 97 142 2 +209.91 ± 34.63
397404 ncm-dbt-03 587834 500 192 71 237 +85.78 ± 14.07 0 15 100 134 1 +181.7 ± 34.21
397403 ncm-dbt-04 571110 500 194 64 242 +92.45 ± 13.74 0 10 103 134 3 +194.57 ± 33.53
397402 ncm-dbt-05 585464 500 207 67 226 +99.95 ± 13.68 0 8 98 140 4 +211.87 ± 34.38
397401 ncm-dbt-02 584916 500 196 59 245 +97.69 ± 13.66 0 10 95 143 2 +209.91 ± 35.06
397400 ncm-dbt-01 584117 500 201 58 241 +102.22 ± 14.17 1 7 95 142 5 +217.85 ± 34.98
397399 ncm-dbt-03 589924 500 193 61 246 +93.95 ± 14.07 0 12 97 138 3 +198.34 ± 34.72
397398 ncm-dbt-04 569709 500 204 65 231 +99.2 ± 13.99 0 11 92 144 3 +211.87 ± 35.7
397397 ncm-dbt-05 584916 500 202 64 234 +98.44 ± 13.67 0 11 91 147 1 +213.85 ± 35.9
397396 ncm-dbt-02 586139 500 198 70 232 +90.96 ± 14.32 0 13 100 133 4 +189.0 ± 34.18
397395 ncm-dbt-01 584453 500 193 81 226 +79.17 ± 15.04 1 19 99 129 2 +165.8 ± 34.39
397394 ncm-dbt-03 587664 500 202 59 239 +102.22 ± 13.37 0 8 93 147 2 +221.9 ± 35.4
397393 ncm-dbt-04 567958 500 203 75 222 +90.96 ± 13.4 0 10 103 136 1 +194.57 ± 33.53
397392 ncm-dbt-05 587240 500 197 56 247 +100.7 ± 13.69 0 11 88 150 1 +219.87 ± 36.54
397391 ncm-dbt-02 584832 500 190 63 247 +90.22 ± 12.57 0 6 111 133 0 +194.57 ± 31.84
397390 ncm-dbt-01 583363 500 205 71 224 +95.44 ± 14.25 0 14 90 144 2 +204.07 ± 36.13
397389 ncm-dbt-03 587877 500 203 69 228 +95.44 ± 14.99 2 11 92 141 4 +204.07 ± 35.72
397388 ncm-dbt-04 572034 500 205 68 227 +97.69 ± 14.28 1 10 93 143 3 +209.91 ± 35.49
397387 ncm-dbt-05 583698 500 194 57 249 +97.69 ± 13.66 0 10 95 143 2 +209.91 ± 35.06
397386 ncm-dbt-02 586435 500 193 79 228 +80.63 ± 14.09 0 17 102 131 0 +171.02 ± 33.87
397385 ncm-dbt-03 587113 500 197 68 235 +91.71 ± 13.09 0 6 112 129 3 +192.71 ± 31.67
397384 ncm-dbt-01 584201 500 191 59 250 +93.95 ± 12.63 0 6 106 138 0 +204.07 ± 32.73
397383 ncm-dbt-04 570869 500 202 65 233 +97.69 ± 12.67 0 5 104 140 1 +211.87 ± 33.02
397382 ncm-dbt-05 585632 500 195 62 243 +94.69 ± 13.3 0 8 103 137 2 +202.15 ± 33.42
397381 ncm-dbt-02 587325 500 200 52 248 +106.01 ± 13.22 0 8 87 154 1 +234.38 ± 36.71
397380 ncm-dbt-03 589240 500 189 59 252 +92.45 ± 13.43 0 10 101 138 1 +198.34 ± 33.9
397379 ncm-dbt-01 584243 500 205 71 224 +95.44 ± 12.98 0 7 103 139 1 +206.01 ± 33.36
397378 ncm-dbt-04 572195 500 197 68 235 +91.71 ± 13.09 1 6 106 137 0 +200.24 ± 32.81
397377 ncm-dbt-05 582861 500 195 58 247 +97.69 ± 13.97 1 8 97 141 3 +209.91 ± 34.63
397376 ncm-dbt-01 581610 500 201 68 231 +94.7 ± 13.93 1 10 95 143 1 +206.01 ± 35.09
397375 ncm-dbt-03 587579 500 190 55 255 +96.19 ± 13.8 0 11 95 142 2 +206.01 ± 35.09
397374 ncm-dbt-02 587325 500 201 64 235 +97.69 ± 13.82 0 12 90 147 1 +211.87 ± 36.13
397373 ncm-dbt-04 571270 500 194 80 226 +80.63 ± 13.79 0 13 112 123 2 +167.53 ± 32.08
397372 ncm-dbt-05 583740 500 202 80 218 +86.52 ± 14.23 0 15 100 133 2 +181.7 ± 34.21
397371 ncm-dbt-01 586223 500 183 72 245 +78.43 ± 14.6 0 20 100 129 1 +164.07 ± 34.22
397370 ncm-dbt-03 586393 500 204 71 225 +94.69 ± 13.46 0 10 98 141 1 +204.07 ± 34.47
397369 ncm-dbt-02 588728 500 203 78 219 +88.74 ± 13.68 0 8 114 123 5 +181.7 ± 31.48
397368 ncm-dbt-04 570589 500 192 65 243 +90.22 ± 13.55 0 9 108 130 3 +189.0 ± 32.58

Commit

Commit ID 69be04d38e10003853e78e4aa2b32aa252a82850
Author FauziAkram
Date 2025-01-26 21:39:32 UTC
Simplify cutoffCnt Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 235872 W: 61156 L: 61155 D: 113561 Ptnml(0-2): 843, 28269, 59658, 28376, 790 https://tests.stockfishchess.org/tests/view/6794dd3e4f7de645171fb380 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 61494 W: 15644 L: 15462 D: 30388 Ptnml(0-2): 61, 6822, 16788, 7026, 50 https://tests.stockfishchess.org/tests/view/6794f86a406a4efe9eb7d093 closes https://github.com/official-stockfish/Stockfish/pull/5821 Bench: 2168937
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