Dev Builds » 20240917-1850

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 06:52:09 584878 4000 1518 535 1947 +87.17 ± 5.03 4 110 798 1075 13 +184.88 ± 12.05
ncm-dbt-02 06:52:58 586624 4000 1491 596 1913 +79.08 ± 4.95 2 119 870 1000 9 +165.8 ± 11.51
ncm-dbt-03 06:52:26 588127 4000 1547 529 1924 +90.41 ± 5.04 4 105 777 1097 17 +192.01 ± 12.21
ncm-dbt-04 06:51:57 571199 4000 1499 573 1928 +81.92 ± 5.03 5 110 856 1012 17 +171.46 ± 11.61
ncm-dbt-05 06:53:26 583332 4000 1528 541 1931 +87.54 ± 4.92 5 92 826 1065 12 +186.25 ± 11.81
20000 7583 2774 9643 +85.21 ± 2.23 20 536 4127 5249 68 +179.95 ± 5.29

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
377677 ncm-dbt-05 583070 500 191 62 247 +91.71 ± 13.88 0 14 93 143 0 +198.34 ± 35.52
377676 ncm-dbt-02 583447 500 192 74 234 +83.57 ± 14.31 0 17 99 133 1 +176.33 ± 34.4
377675 ncm-dbt-03 587494 500 194 73 233 +85.78 ± 14.65 0 18 95 135 2 +179.9 ± 35.13
377674 ncm-dbt-01 583824 500 183 63 254 +85.04 ± 13.9 0 15 100 135 0 +181.7 ± 34.21
377673 ncm-dbt-04 570669 500 185 81 234 +73.34 ± 14.99 1 22 99 128 0 +155.54 ± 34.37
377672 ncm-dbt-05 583363 500 189 66 245 +87.26 ± 13.95 1 12 100 137 0 +189.0 ± 34.18
377671 ncm-dbt-03 587664 500 194 64 242 +92.45 ± 13.9 0 12 98 138 2 +196.45 ± 34.53
377670 ncm-dbt-02 588813 500 174 75 251 +69.71 ± 14.59 0 22 108 119 1 +143.89 ± 32.9
377669 ncm-dbt-01 586350 500 197 66 237 +93.2 ± 13.12 0 7 107 134 2 +198.34 ± 32.63
377668 ncm-dbt-04 568991 500 183 74 243 +76.97 ± 13.68 0 14 114 121 1 +160.64 ± 31.79
377667 ncm-dbt-05 582485 500 200 69 231 +93.2 ± 13.6 1 7 104 136 2 +200.24 ± 33.24
377666 ncm-dbt-03 587919 500 194 74 232 +85.04 ± 14.92 1 16 98 132 3 +178.11 ± 34.58
377665 ncm-dbt-01 581444 500 181 68 251 +79.9 ± 15.73 1 22 94 129 4 +164.07 ± 35.23
377664 ncm-dbt-02 588686 500 198 76 226 +86.52 ± 14.81 0 19 92 137 2 +181.7 ± 35.67
377663 ncm-dbt-04 571632 500 172 70 258 +71.89 ± 14.53 3 11 119 115 2 +152.18 ± 31.0
377662 ncm-dbt-05 583447 500 191 60 249 +93.2 ± 13.44 0 10 100 139 1 +200.24 ± 34.09
377661 ncm-dbt-03 588686 500 198 64 238 +95.44 ± 13.79 0 11 96 141 2 +204.07 ± 34.89
377660 ncm-dbt-01 582652 500 189 72 239 +82.83 ± 13.54 0 13 107 130 0 +176.33 ± 32.93
377659 ncm-dbt-02 584537 500 183 80 237 +72.61 ± 13.98 1 14 117 117 1 +152.18 ± 31.35
377658 ncm-dbt-04 571953 500 192 77 231 +81.36 ± 14.11 0 14 110 123 3 +167.53 ± 32.45
377657 ncm-dbt-05 585211 500 196 66 238 +92.46 ± 14.35 1 11 98 137 3 +196.45 ± 34.53
377656 ncm-dbt-03 589197 500 184 56 260 +90.97 ± 13.87 1 9 103 135 2 +194.57 ± 33.53
377655 ncm-dbt-01 586435 500 186 77 237 +76.98 ± 14.41 1 15 110 122 2 +160.64 ± 32.5
377654 ncm-dbt-02 587240 500 189 78 233 +78.44 ± 12.8 0 9 121 120 0 +165.8 ± 30.41
377653 ncm-dbt-04 569350 500 180 70 250 +77.7 ± 14.15 0 15 113 119 3 +158.93 ± 31.99
377652 ncm-dbt-01 583950 500 193 62 245 +93.2 ± 14.36 2 11 91 146 0 +206.01 ± 35.92
377651 ncm-dbt-05 582778 500 189 81 230 +76.25 ± 14.53 1 16 109 122 2 +158.93 ± 32.69
377650 ncm-dbt-02 587240 500 192 72 236 +85.04 ± 13.9 0 13 106 129 2 +178.11 ± 33.1
377649 ncm-dbt-03 587282 500 199 76 225 +87.26 ± 13.17 0 10 107 133 0 +187.16 ± 32.81
377648 ncm-dbt-04 574135 500 193 58 249 +96.19 ± 13.64 0 10 97 141 2 +206.01 ± 34.66
377647 ncm-dbt-01 584874 500 190 64 246 +89.48 ± 14.15 0 15 95 139 1 +190.85 ± 35.14
377646 ncm-dbt-03 587282 500 192 70 238 +86.52 ± 14.08 0 14 102 132 2 +181.7 ± 33.83
377645 ncm-dbt-05 582652 500 194 69 237 +88.74 ± 13.2 1 6 111 131 1 +190.85 ± 31.92
377644 ncm-dbt-04 571712 500 193 65 242 +90.96 ± 13.24 0 9 105 135 1 +194.57 ± 33.11
377643 ncm-dbt-02 583405 500 178 71 251 +75.52 ± 13.49 0 12 121 115 2 +155.54 ± 30.59
377642 ncm-dbt-04 571150 500 201 78 221 +87.26 ± 15.11 1 15 99 130 5 +179.9 ± 34.4
377641 ncm-dbt-01 589497 500 199 63 238 +96.94 ± 14.27 0 12 94 140 4 +204.07 ± 35.31
377640 ncm-dbt-03 589497 500 192 52 256 +99.95 ± 15.62 2 15 78 151 4 +215.85 ± 38.65
377639 ncm-dbt-02 589625 500 185 70 245 +81.37 ± 13.96 1 13 106 130 0 +174.55 ± 33.13
377638 ncm-dbt-05 583656 500 178 68 254 +77.7 ± 14.29 0 16 111 120 3 +158.93 ± 32.34

Commit

Commit ID 5ce7f866a57264c38cf308152208deadc65508c8
Author Shawn Xu
Date 2024-09-17 18:50:30 UTC
Simplify Fail Low Bonus Passed Non-regression STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 302528 W: 78190 L: 78264 D: 146074 Ptnml(0-2): 1029, 35797, 77551, 35993, 894 https://tests.stockfishchess.org/tests/view/66dcebdedc53972b68218c7e Passed Non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 122754 W: 31025 L: 30907 D: 60822 Ptnml(0-2): 74, 13597, 33908, 13733, 65 https://tests.stockfishchess.org/tests/view/66e0c38686d5ee47d953a481 closes https://github.com/official-stockfish/Stockfish/pull/5594 Bench: 1646373
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