Dev Builds » 20250112-2014

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 06:51:01 584105 4002 1540 503 1959 +92.13 ± 4.89 2 92 785 1111 11 +197.27 ± 12.13
ncm-dbt-02 06:48:46 585878 4000 1534 487 1979 +93.11 ± 4.97 1 98 773 1109 19 +197.63 ± 12.24
ncm-dbt-03 06:49:27 586555 4000 1530 514 1956 +90.22 ± 5.0 3 107 773 1105 12 +192.47 ± 12.25
ncm-dbt-04 06:50:01 570087 4002 1531 501 1970 +91.48 ± 4.91 2 95 787 1105 12 +195.39 ± 12.12
ncm-dbt-05 06:51:47 583594 3996 1566 516 1914 +93.49 ± 4.86 0 85 797 1097 19 +198.35 ± 12.02
20000 7701 2521 9778 +92.08 ± 2.2 8 477 3915 5527 73 +196.22 ± 5.43

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395593 ncm-dbt-01 584579 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
395592 ncm-dbt-04 568236 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
395591 ncm-dbt-05 586054 496 191 76 229 +82.04 ± 13.28 0 9 117 120 2 +170.87 ± 31.03
395590 ncm-dbt-01 582277 500 178 65 257 +79.9 ± 14.21 0 18 101 131 0 +169.27 ± 34.05
395589 ncm-dbt-04 569270 500 200 51 249 +106.77 ± 13.39 0 8 87 153 2 +234.38 ± 36.71
395588 ncm-dbt-02 584034 500 183 51 266 +93.95 ± 14.96 1 13 94 137 5 +196.45 ± 35.33
395587 ncm-dbt-03 588345 500 174 66 260 +76.25 ± 13.81 0 16 110 124 0 +160.64 ± 32.5
395586 ncm-dbt-05 585126 500 203 69 228 +95.44 ± 13.63 0 9 101 137 3 +202.15 ± 33.85
395585 ncm-dbt-01 582110 500 202 61 237 +100.7 ± 13.53 0 9 93 146 2 +217.85 ± 35.44
395584 ncm-dbt-04 569190 500 194 64 242 +92.45 ± 14.05 0 13 96 139 2 +196.45 ± 34.93
395583 ncm-dbt-02 585590 500 187 66 247 +85.78 ± 14.79 0 19 93 136 2 +179.9 ± 35.49
395582 ncm-dbt-03 586858 500 188 65 247 +87.26 ± 14.69 0 20 87 143 0 +187.16 ± 36.61
395581 ncm-dbt-05 582152 500 189 61 250 +90.96 ± 13.72 0 10 105 132 3 +190.85 ± 33.16
395580 ncm-dbt-01 585421 500 189 52 259 +97.69 ± 13.82 1 9 93 146 1 +213.85 ± 35.47
395579 ncm-dbt-04 571351 500 185 59 256 +89.48 ± 13.22 0 10 104 136 0 +192.71 ± 33.34
395578 ncm-dbt-03 586689 500 198 64 238 +95.44 ± 13.63 0 10 98 140 2 +204.07 ± 34.47
395577 ncm-dbt-02 585801 500 184 65 251 +84.3 ± 13.27 0 10 112 127 1 +178.11 ± 31.94
395576 ncm-dbt-05 581693 500 197 60 243 +97.69 ± 13.34 0 9 96 144 1 +211.87 ± 34.83
395575 ncm-dbt-04 567561 500 191 58 251 +94.69 ± 13.3 0 9 100 140 1 +204.07 ± 34.04
395574 ncm-dbt-02 588217 500 207 54 239 +109.83 ± 14.06 0 8 87 149 6 +234.38 ± 36.71
395573 ncm-dbt-01 585042 500 193 62 245 +93.2 ± 13.75 0 12 96 141 1 +200.24 ± 34.91
395572 ncm-dbt-03 584832 500 192 56 252 +96.94 ± 13.96 0 10 98 138 4 +204.07 ± 34.47
395571 ncm-dbt-05 585379 500 202 51 247 +108.3 ± 13.56 0 8 86 153 3 +236.51 ± 36.93
395570 ncm-dbt-01 580075 500 191 72 237 +84.31 ± 13.88 1 11 107 130 1 +179.9 ± 32.89
395569 ncm-dbt-04 571632 500 191 61 248 +92.45 ± 13.59 0 12 96 142 0 +200.24 ± 34.91
395568 ncm-dbt-02 585928 500 197 73 230 +88.0 ± 14.7 0 17 95 135 3 +183.51 ± 35.13
395567 ncm-dbt-03 585970 500 197 59 244 +98.44 ± 14.29 0 14 86 148 2 +211.87 ± 36.97
395566 ncm-dbt-05 581194 500 193 54 253 +99.2 ± 13.02 0 7 98 144 1 +215.85 ± 34.33
395565 ncm-dbt-04 568951 500 201 63 236 +98.44 ± 14.14 0 13 88 147 2 +211.87 ± 36.55
395564 ncm-dbt-02 587749 500 189 48 263 +100.7 ± 13.03 0 8 93 149 0 +221.9 ± 35.4
395563 ncm-dbt-01 582987 500 184 78 238 +74.79 ± 13.16 0 11 123 115 1 +155.54 ± 30.23
395562 ncm-dbt-03 584664 500 192 77 231 +81.37 ± 14.82 1 17 100 130 2 +171.02 ± 34.23
395561 ncm-dbt-02 585211 500 191 63 246 +90.97 ± 13.4 0 11 100 139 0 +196.45 ± 34.12
395560 ncm-dbt-05 581902 500 197 73 230 +88.0 ± 14.7 0 18 92 138 2 +185.33 ± 35.69
395559 ncm-dbt-01 584579 500 203 54 243 +106.77 ± 13.89 0 10 84 153 3 +232.26 ± 37.43
395558 ncm-dbt-04 570709 500 189 65 246 +88.0 ± 14.27 0 14 101 132 3 +183.51 ± 34.01
395557 ncm-dbt-03 585717 500 199 66 235 +94.7 ± 13.62 1 8 99 141 1 +206.01 ± 34.24
395556 ncm-dbt-02 584495 500 196 67 237 +91.71 ± 13.88 0 12 99 137 2 +194.57 ± 34.34
395555 ncm-dbt-04 573891 500 179 80 241 +69.71 ± 14.73 2 16 115 115 2 +145.54 ± 31.75
395554 ncm-dbt-01 589882 500 199 58 243 +100.7 ± 14.01 0 12 87 149 2 +217.85 ± 36.77
395553 ncm-dbt-03 589368 500 190 61 249 +91.71 ± 14.19 1 12 95 141 1 +198.34 ± 35.12
395552 ncm-dbt-05 585253 500 194 72 234 +86.52 ± 14.53 0 15 102 129 4 +178.11 ± 33.85

Commit

Commit ID 403a5e100b006b46d3b4001ae9a3ef53ad1b7558
Author Shawn Xu
Date 2025-01-12 20:14:11 UTC
Simplify Fail-Low Bonus Passed Non-regression STC: LLR: 2.92 (-2.94,2.94) <-1.75,0.25> Total: 66592 W: 17426 L: 17239 D: 31927 Ptnml(0-2): 208, 7812, 17109, 7919, 248 https://tests.stockfishchess.org/tests/view/6774e1711a2f267f20548b22 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 179616 W: 45764 L: 45706 D: 88146 Ptnml(0-2): 125, 19665, 50162, 19739, 117 https://tests.stockfishchess.org/tests/view/677590531a2f267f20548b82 closes https://github.com/official-stockfish/Stockfish/pull/5751 Bench: 1310158
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