Dev Builds » 20250204-2011

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 06:51:17 584331 4000 1544 519 1937 +91.06 ± 4.89 1 91 806 1086 16 +193.17 ± 11.96
ncm-dbt-02 06:50:03 585730 4000 1560 533 1907 +91.25 ± 5.0 2 106 770 1107 15 +194.11 ± 12.27
ncm-dbt-03 06:50:02 587482 4000 1543 486 1971 +94.04 ± 4.86 4 80 783 1121 12 +202.39 ± 12.14
ncm-dbt-04 06:50:54 571095 4004 1565 517 1922 +93.1 ± 4.93 3 91 778 1115 15 +199.04 ± 12.19
ncm-dbt-05 06:51:26 583205 3996 1555 509 1932 +93.11 ± 4.81 3 73 811 1097 14 +199.3 ± 11.89
20000 7767 2564 9669 +92.51 ± 2.19 13 441 3948 5526 72 +197.58 ± 5.4

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
399061 ncm-dbt-04 570869 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
399060 ncm-dbt-05 581610 496 198 71 227 +90.98 ± 14.1 1 11 97 138 1 +196.5 ± 34.71
399059 ncm-dbt-01 585169 500 192 61 247 +93.2 ± 14.06 1 11 95 142 1 +202.15 ± 35.11
399058 ncm-dbt-02 586266 500 203 67 230 +96.94 ± 14.12 0 13 90 145 2 +207.95 ± 36.13
399057 ncm-dbt-03 588217 500 192 64 244 +90.96 ± 14.17 0 14 96 138 2 +192.71 ± 34.94
399056 ncm-dbt-04 571672 500 196 67 237 +91.71 ± 13.73 1 8 104 135 2 +196.45 ± 33.3
399055 ncm-dbt-02 588217 500 187 75 238 +79.17 ± 13.9 0 15 109 125 1 +165.8 ± 32.64
399054 ncm-dbt-01 583196 500 184 63 253 +85.78 ± 13.77 0 11 110 126 3 +178.11 ± 32.33
399053 ncm-dbt-05 580489 500 187 62 251 +88.74 ± 13.98 1 11 101 136 1 +190.85 ± 33.97
399052 ncm-dbt-03 589027 500 186 60 254 +89.48 ± 13.69 0 11 104 133 2 +189.0 ± 33.39
399051 ncm-dbt-04 572558 500 193 51 256 +101.46 ± 13.2 1 5 96 147 1 +223.94 ± 34.66
399050 ncm-dbt-01 586943 500 192 67 241 +88.74 ± 14.28 0 17 91 142 0 +190.85 ± 35.9
399049 ncm-dbt-02 585126 500 202 65 233 +97.69 ± 14.13 0 13 89 146 2 +209.91 ± 36.34
399048 ncm-dbt-05 583908 500 209 68 223 +100.7 ± 13.85 0 10 92 145 3 +215.85 ± 35.68
399047 ncm-dbt-03 588260 500 195 48 257 +105.25 ± 13.22 0 9 85 156 0 +234.38 ± 37.19
399046 ncm-dbt-04 570108 500 193 63 244 +92.45 ± 13.74 0 12 97 140 1 +198.34 ± 34.72
399045 ncm-dbt-01 583028 500 194 52 254 +101.46 ± 13.69 0 9 93 145 3 +217.85 ± 35.44
399044 ncm-dbt-03 586181 500 186 58 256 +90.97 ± 13.56 2 6 104 138 0 +200.24 ± 33.24
399043 ncm-dbt-05 583656 500 183 65 252 +83.57 ± 13.09 0 9 115 125 1 +176.33 ± 31.38
399042 ncm-dbt-02 587240 500 199 64 237 +96.19 ± 13.48 0 11 93 146 0 +209.91 ± 35.49
399041 ncm-dbt-04 569869 500 189 72 239 +82.83 ± 13.54 1 9 113 126 1 +176.33 ± 31.78
399040 ncm-dbt-01 585506 500 207 67 226 +99.95 ± 13.68 0 9 95 143 3 +213.85 ± 35.03
399039 ncm-dbt-03 589582 500 202 55 243 +105.25 ± 13.05 0 7 90 152 1 +232.26 ± 35.99
399038 ncm-dbt-05 585885 500 200 67 233 +94.69 ± 12.64 0 4 111 133 2 +202.15 ± 31.65
399037 ncm-dbt-02 584916 500 186 67 247 +84.31 ± 14.9 0 22 87 141 0 +179.9 ± 36.55
399036 ncm-dbt-04 570388 500 200 62 238 +98.44 ± 13.67 0 10 94 144 2 +211.87 ± 35.26
399035 ncm-dbt-03 584790 500 187 65 248 +86.52 ± 13.93 1 11 104 133 1 +185.33 ± 33.42
399034 ncm-dbt-05 584453 500 187 61 252 +89.48 ± 14.0 1 10 103 134 2 +190.85 ± 33.57
399033 ncm-dbt-01 581943 500 190 65 245 +88.74 ± 12.88 0 6 115 127 2 +187.16 ± 31.16
399032 ncm-dbt-04 570589 500 208 71 221 +97.69 ± 14.58 0 15 86 146 3 +207.95 ± 36.95
399031 ncm-dbt-02 585169 500 207 71 222 +96.94 ± 14.87 2 10 92 142 4 +207.95 ± 35.71
399030 ncm-dbt-01 584453 500 190 70 240 +85.04 ± 14.2 0 15 102 131 2 +178.11 ± 33.85
399029 ncm-dbt-03 587240 500 201 65 234 +96.94 ± 13.81 1 8 97 142 2 +209.91 ± 34.63
399028 ncm-dbt-05 581610 500 199 59 242 +99.95 ± 13.36 0 10 90 150 0 +219.87 ± 36.1
399027 ncm-dbt-02 580862 500 194 64 242 +92.45 ± 12.77 0 5 112 131 2 +196.45 ± 31.58
399026 ncm-dbt-04 569549 500 187 69 244 +83.57 ± 14.6 0 18 98 132 2 +174.55 ± 34.58
399025 ncm-dbt-02 588047 500 182 60 258 +86.52 ± 14.81 0 17 98 131 4 +178.11 ± 34.58
399024 ncm-dbt-03 586562 500 194 71 235 +87.26 ± 14.4 0 14 103 129 4 +179.9 ± 33.65
399023 ncm-dbt-05 584034 500 192 56 252 +96.94 ± 13.65 0 8 102 136 4 +204.07 ± 33.61
399022 ncm-dbt-04 574256 500 197 62 241 +96.19 ± 14.41 0 14 90 143 3 +204.07 ± 36.13
399021 ncm-dbt-01 584411 500 195 74 231 +85.78 ± 13.92 0 13 105 130 2 +179.9 ± 33.27

Commit

Commit ID 8c73472ac84314d69c28dd886ecbf916a75ebf96
Author Shawn Xu
Date 2025-02-04 20:11:37 UTC
Simplify depth increase condition further Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 51232 W: 13560 L: 13351 D: 24321 Ptnml(0-2): 183, 6075, 12920, 6226, 212 https://tests.stockfishchess.org/tests/view/679d7b2b0774dfd78deb043f Passed Non-regression LTC (v. #5827): LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 172398 W: 44108 L: 44042 D: 84248 Ptnml(0-2): 122, 19207, 47489, 19245, 136 https://tests.stockfishchess.org/tests/view/679d7fb10774dfd78deb05d2 Passed Non-regression VLTC (v. #5827): LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 388540 W: 99314 L: 99464 D: 189762 Ptnml(0-2): 89, 40454, 113350, 40272, 105 https://tests.stockfishchess.org/tests/view/679da3be0774dfd78deb0ad4 closes https://github.com/official-stockfish/Stockfish/pull/5846 Bench: 2688175
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