Dev Builds » 20250205-1800

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 06:47:17 583586 4000 1585 516 1899 +95.16 ± 5.01 3 93 759 1122 23 +202.39 ± 12.35
ncm-dbt-02 06:47:55 586143 4012 1595 511 1906 +96.26 ± 4.77 2 74 778 1142 10 +208.14 ± 12.17
ncm-dbt-03 06:48:19 588171 4000 1592 498 1910 +97.51 ± 4.96 0 91 748 1137 24 +207.46 ± 12.44
ncm-dbt-04 06:46:44 570686 4000 1557 551 1892 +89.3 ± 4.88 3 86 829 1066 16 +189.23 ± 11.77
ncm-dbt-05 06:48:39 585451 3988 1563 452 1973 +99.42 ± 4.81 1 73 750 1154 16 +214.67 ± 12.4
20000 7892 2528 9580 +95.52 ± 2.19 9 417 3864 5621 89 +204.27 ± 5.46

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
398732 ncm-dbt-02 581111 12 5 2 5 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47
398731 ncm-dbt-05 582402 488 188 49 251 +101.77 ± 13.06 0 6 94 143 1 +222.7 ± 35.04
398730 ncm-dbt-03 589027 500 190 61 249 +91.71 ± 13.73 0 10 104 133 3 +192.71 ± 33.34
398729 ncm-dbt-04 571029 500 198 60 242 +98.44 ± 12.5 0 4 105 140 1 +213.85 ± 32.74
398728 ncm-dbt-01 582611 500 198 69 233 +91.71 ± 14.78 3 8 99 137 3 +198.34 ± 34.31
398727 ncm-dbt-02 585379 500 192 56 252 +96.94 ± 14.57 0 14 90 142 4 +204.07 ± 36.13
398726 ncm-dbt-05 580323 500 189 63 248 +89.48 ± 14.0 0 12 103 132 3 +187.16 ± 33.6
398725 ncm-dbt-03 588558 500 199 64 237 +96.19 ± 13.8 0 10 98 139 3 +204.07 ± 34.47
398724 ncm-dbt-04 572880 500 209 70 221 +99.2 ± 13.99 0 11 92 144 3 +211.87 ± 35.7
398723 ncm-dbt-01 583950 500 186 54 260 +93.95 ± 13.92 0 11 99 137 3 +198.34 ± 34.31
398722 ncm-dbt-02 586943 500 194 68 238 +89.48 ± 13.69 1 10 101 138 0 +194.57 ± 33.94
398721 ncm-dbt-03 587707 500 204 66 230 +98.44 ± 14.29 0 10 98 136 6 +204.07 ± 34.47
398720 ncm-dbt-04 569390 500 196 59 245 +97.69 ± 13.66 0 10 95 143 2 +209.91 ± 35.06
398719 ncm-dbt-05 585000 500 199 66 235 +94.69 ± 13.3 0 8 103 137 2 +202.15 ± 33.42
398718 ncm-dbt-01 585295 500 210 72 218 +98.44 ± 14.29 0 12 92 142 4 +207.95 ± 35.71
398717 ncm-dbt-02 585126 500 203 62 235 +100.7 ± 13.2 0 8 94 147 1 +219.87 ± 35.19
398716 ncm-dbt-04 571230 500 195 77 228 +83.57 ± 14.45 2 12 103 132 1 +179.9 ± 33.65
398715 ncm-dbt-05 583992 500 201 54 245 +105.25 ± 13.72 0 11 82 156 1 +232.26 ± 37.9
398714 ncm-dbt-03 585970 500 209 67 224 +101.46 ± 13.69 0 11 87 151 1 +221.9 ± 36.76
398713 ncm-dbt-01 583028 500 193 63 244 +92.45 ± 14.65 0 17 88 143 2 +196.45 ± 36.5
398712 ncm-dbt-02 586393 500 199 60 241 +99.2 ± 13.19 0 8 96 145 1 +215.85 ± 34.78
398711 ncm-dbt-05 588047 500 206 57 237 +106.77 ± 12.88 0 5 93 150 2 +234.38 ± 35.22
398710 ncm-dbt-04 570909 500 192 80 228 +79.17 ± 14.48 1 13 113 119 4 +162.35 ± 31.95
398709 ncm-dbt-03 589326 500 201 55 244 +104.49 ± 14.35 0 14 78 156 2 +228.08 ± 38.79
398708 ncm-dbt-01 583279 500 188 47 265 +100.7 ± 14.32 0 11 92 142 5 +211.87 ± 35.7
398707 ncm-dbt-02 586604 500 199 69 232 +92.45 ± 13.59 0 11 99 139 1 +198.34 ± 34.31
398706 ncm-dbt-05 586562 500 182 55 263 +90.22 ± 13.7 1 10 100 139 0 +196.45 ± 34.12
398705 ncm-dbt-04 568713 500 190 72 238 +83.57 ± 13.25 0 11 110 129 0 +178.11 ± 32.33
398704 ncm-dbt-01 578753 500 209 76 215 +94.69 ± 14.09 0 14 90 145 1 +204.07 ± 36.13
398703 ncm-dbt-03 587707 500 198 64 238 +95.44 ± 14.25 0 13 93 141 3 +202.15 ± 35.52
398702 ncm-dbt-02 587707 500 209 63 228 +104.49 ± 13.22 1 5 92 151 1 +232.26 ± 35.5
398701 ncm-dbt-05 587962 500 211 55 234 +112.14 ± 14.06 0 11 75 161 3 +247.41 ± 39.65
398700 ncm-dbt-04 569669 500 190 68 242 +86.52 ± 14.08 0 12 108 126 4 +178.11 ± 32.72
398699 ncm-dbt-01 585126 500 201 72 227 +91.71 ± 14.19 0 13 98 136 3 +192.71 ± 34.55
398698 ncm-dbt-03 587282 500 194 54 252 +99.95 ± 14.31 0 12 90 144 4 +211.87 ± 36.13
398697 ncm-dbt-02 585843 500 200 66 234 +95.44 ± 13.47 0 9 100 139 2 +204.07 ± 34.04
398696 ncm-dbt-03 589796 500 197 67 236 +92.45 ± 13.74 0 11 100 137 2 +196.45 ± 34.12
398695 ncm-dbt-02 590181 500 194 65 241 +91.71 ± 13.09 0 9 103 138 0 +198.34 ± 33.48
398694 ncm-dbt-04 571672 500 187 65 248 +86.52 ± 13.78 0 13 103 133 1 +183.51 ± 33.63
398693 ncm-dbt-01 586646 500 200 63 237 +97.69 ± 13.17 0 7 101 140 2 +209.91 ± 33.74
398692 ncm-dbt-05 589326 500 187 53 260 +95.44 ± 13.94 0 10 100 136 4 +200.24 ± 34.09

Commit

Commit ID d66e603070a4ae76dcc8aeae69882d7d10ac3846
Author Shawn Xu
Date 2025-02-05 18:00:25 UTC
Increase PCM bonus when cutOffCnt is low Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 36832 W: 9763 L: 9438 D: 17631 Ptnml(0-2): 159, 4267, 9254, 4562, 174 https://tests.stockfishchess.org/tests/view/67a29dbafedef70e42ac329a Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 19728 W: 5124 L: 4839 D: 9765 Ptnml(0-2): 18, 2029, 5485, 2314, 18 https://tests.stockfishchess.org/tests/view/67a2a1abfedef70e42ac32b7 closes https://github.com/official-stockfish/Stockfish/pull/5865 Bench: 3197798
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