Dev Builds » 20241001-1859

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 06:51:21 584964 4000 1545 598 1857 +83.85 ± 4.97 2 106 853 1021 18 +175.22 ± 11.62
ncm-dbt-02 06:50:47 587681 4000 1549 532 1919 +90.32 ± 4.84 3 82 823 1079 13 +192.47 ± 11.81
ncm-dbt-03 06:52:11 587552 4014 1545 557 1912 +87.31 ± 5.1 2 123 786 1077 19 +183.43 ± 12.15
ncm-dbt-04 06:51:09 570596 4000 1543 536 1921 +89.39 ± 4.91 1 100 802 1085 12 +189.92 ± 12.0
ncm-dbt-05 06:52:55 584289 3986 1559 520 1907 +92.7 ± 4.85 2 77 812 1084 18 +197.06 ± 11.89
20000 7741 2743 9516 +88.7 ± 2.21 10 488 4076 5346 80 +187.53 ± 5.32

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379741 ncm-dbt-03 588047 14 4 2 8 +49.96 ± 94.42 0 1 3 3 0 +102.11 ± 234.06
379740 ncm-dbt-05 586181 486 203 59 224 +106.12 ± 13.98 0 7 90 141 5 +226.01 ± 35.96
379739 ncm-dbt-04 568792 500 206 80 214 +89.48 ± 14.44 1 12 100 134 3 +189.0 ± 34.18
379738 ncm-dbt-01 582819 500 208 79 213 +91.71 ± 14.49 0 12 103 129 6 +187.16 ± 33.6
379737 ncm-dbt-02 586774 500 196 61 243 +96.19 ± 13.16 0 8 100 141 1 +207.95 ± 33.99
379736 ncm-dbt-03 585421 500 191 71 238 +85.04 ± 13.6 0 9 116 121 4 +174.55 ± 31.22
379735 ncm-dbt-05 583028 500 207 76 217 +93.2 ± 14.21 0 12 99 135 4 +194.57 ± 34.34
379734 ncm-dbt-04 570989 500 187 54 259 +94.69 ± 13.78 0 13 91 146 0 +206.01 ± 35.92
379733 ncm-dbt-02 583782 500 200 56 244 +102.97 ± 13.21 0 6 97 144 3 +221.9 ± 34.46
379732 ncm-dbt-01 583279 500 197 79 224 +83.57 ± 14.45 1 14 103 130 2 +176.33 ± 33.67
379731 ncm-dbt-03 587452 500 199 69 232 +92.46 ± 14.94 1 15 90 141 3 +196.45 ± 36.11
379730 ncm-dbt-04 571511 500 194 55 251 +99.2 ± 13.67 0 12 87 151 0 +217.85 ± 36.77
379729 ncm-dbt-05 585126 500 195 63 242 +93.95 ± 13.29 0 10 98 142 0 +204.07 ± 34.47
379728 ncm-dbt-02 588472 500 197 65 238 +93.95 ± 13.61 1 6 106 134 3 +200.24 ± 32.81
379727 ncm-dbt-01 584117 500 191 79 230 +79.17 ± 14.04 1 12 113 122 2 +165.8 ± 31.92
379726 ncm-dbt-03 587240 500 181 76 243 +74.06 ± 14.46 0 21 103 126 0 +155.54 ± 33.71
379725 ncm-dbt-05 585674 500 183 74 243 +76.98 ± 13.53 0 14 113 123 0 +162.35 ± 31.95
379724 ncm-dbt-02 590825 500 189 70 241 +84.31 ± 14.47 2 12 102 133 1 +181.7 ± 33.83
379723 ncm-dbt-04 573244 500 190 83 227 +75.52 ± 13.64 0 14 116 119 1 +157.24 ± 31.47
379722 ncm-dbt-01 584790 500 184 67 249 +82.83 ± 13.23 0 8 120 119 3 +171.02 ± 30.5
379721 ncm-dbt-03 587919 500 200 72 228 +90.96 ± 13.72 0 12 99 138 1 +194.57 ± 34.34
379720 ncm-dbt-05 584411 500 189 61 250 +90.96 ± 13.87 0 11 103 133 3 +190.85 ± 33.57
379719 ncm-dbt-02 589283 500 192 84 224 +76.25 ± 13.66 0 14 115 120 1 +158.93 ± 31.63
379718 ncm-dbt-04 568673 500 195 66 239 +91.71 ± 13.73 0 10 104 133 3 +192.71 ± 33.34
379717 ncm-dbt-03 588899 500 195 70 235 +88.74 ± 15.69 1 20 86 139 4 +185.33 ± 36.78
379716 ncm-dbt-01 584327 500 192 75 233 +82.83 ± 14.58 0 19 96 134 1 +174.55 ± 34.94
379715 ncm-dbt-05 581070 500 191 69 240 +86.52 ± 14.38 2 10 104 132 2 +185.33 ± 33.42
379714 ncm-dbt-02 586858 500 189 67 244 +86.52 ± 14.08 0 15 99 135 1 +183.51 ± 34.39
379713 ncm-dbt-03 586435 500 191 64 245 +90.22 ± 14.16 0 14 97 137 2 +190.85 ± 34.75
379712 ncm-dbt-04 570268 500 191 71 238 +85.04 ± 14.35 0 14 106 126 4 +174.55 ± 33.13
379711 ncm-dbt-01 586520 500 192 68 240 +88.0 ± 14.27 0 14 101 132 3 +183.51 ± 34.01
379710 ncm-dbt-03 588217 500 200 74 226 +89.48 ± 14.59 0 17 92 139 2 +189.0 ± 35.7
379709 ncm-dbt-05 584706 500 196 58 246 +98.44 ± 13.34 0 7 101 139 3 +209.91 ± 33.74
379708 ncm-dbt-04 570829 500 192 61 247 +93.2 ± 13.91 0 14 91 145 0 +202.15 ± 35.92
379707 ncm-dbt-02 587707 500 194 66 240 +90.96 ± 13.87 0 12 100 136 2 +192.71 ± 34.15
379706 ncm-dbt-01 584579 500 194 68 238 +89.48 ± 13.69 0 13 98 139 0 +192.71 ± 34.55
379705 ncm-dbt-04 570469 500 188 66 246 +86.52 ± 13.47 0 11 107 131 1 +183.51 ± 32.85
379704 ncm-dbt-03 588345 500 184 59 257 +88.74 ± 14.28 0 14 100 133 3 +185.33 ± 34.19
379703 ncm-dbt-02 587749 500 192 63 245 +91.71 ± 13.26 0 9 104 136 1 +196.45 ± 33.3
379702 ncm-dbt-05 584117 500 195 60 245 +96.19 ± 12.82 0 6 104 139 1 +207.95 ± 33.1
379701 ncm-dbt-01 589283 500 187 83 230 +73.33 ± 13.57 0 14 119 116 1 +152.18 ± 31.0

Commit

Commit ID c85f802185dd223bae1197269d17b9b1d5e935a0
Author Taras Vuk
Date 2024-10-01 18:59:17 UTC
Tweak ttCapture reduction More reduction at shallow depth for quiet moves when ttMove is a capture. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 365728 W: 95896 L: 95090 D: 174742 Ptnml(0-2): 1283, 43133, 93262, 43867, 1319 https://tests.stockfishchess.org/tests/view/66edd35986d5ee47d953b0d5 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 200526 W: 51197 L: 50540 D: 98789 Ptnml(0-2): 119, 21952, 55462, 22613, 117 https://tests.stockfishchess.org/tests/view/66f405dc86d5ee47d953b460 closes https://github.com/official-stockfish/Stockfish/pull/5610 bench: 1269487
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