Dev Builds » 20231219-1722

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 06:54:13 583730 4018 1403 724 1891 +59.28 ± 5.06 1 185 964 852 7 +121.06 ± 10.93
ncm-dbt-02 06:53:31 586692 4000 1353 682 1965 +58.84 ± 5.06 2 178 977 833 10 +119.7 ± 10.85
ncm-dbt-03 06:53:42 586638 3994 1427 673 1894 +66.39 ± 5.03 4 148 945 890 10 +136.79 ± 11.02
ncm-dbt-04 06:54:42 570835 4012 1403 663 1946 +64.83 ± 5.05 1 168 935 894 8 +133.11 ± 11.11
ncm-dbt-05 06:55:10 584859 3976 1403 691 1882 +62.89 ± 4.96 0 160 961 862 5 +129.2 ± 10.93
20000 6989 3433 9578 +62.44 ± 2.25 8 839 4782 4331 40 +127.92 ± 4.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402682 ncm-dbt-04 571994 12 4 1 7 +88.66 ± 75.75 0 0 3 3 0 +190.73 ± 238.47 ↓
402681 ncm-dbt-01 580904 18 6 4 8 +38.76 ± 92.54 0 2 3 4 0 +78.52 ± 215.48 ↓
402680 ncm-dbt-05 588047 476 154 87 235 +49.23 ± 14.32 0 23 126 88 1 +98.94 ± 30.1 ↓
402679 ncm-dbt-03 587919 494 173 78 243 +67.66 ± 14.21 0 18 118 109 2 +137.58 ± 31.26 ↓
402678 ncm-dbt-02 587834 500 166 90 244 +53.22 ± 14.01 0 22 132 94 2 +106.01 ± 29.35 ↓
402677 ncm-dbt-04 569989 500 174 80 246 +66.1 ± 14.45 0 21 116 111 2 +134.15 ± 31.65 ↓
402676 ncm-dbt-01 585464 500 179 78 243 +71.16 ± 13.64 0 15 120 114 1 +147.19 ± 30.88 ↓
402675 ncm-dbt-03 587028 500 180 92 228 +61.79 ± 15.6 2 24 111 110 3 +126.18 ± 32.44 ↓
402674 ncm-dbt-05 583908 500 173 79 248 +66.1 ± 12.84 0 12 132 106 0 +137.37 ± 28.94 ↓
402673 ncm-dbt-02 586562 500 169 85 246 +58.93 ± 14.29 0 24 118 108 0 +121.46 ± 31.39 ↓
402672 ncm-dbt-04 570268 500 174 87 239 +61.07 ± 14.79 0 26 112 111 1 +124.6 ± 32.29 ↓
402671 ncm-dbt-01 584243 500 168 101 231 +46.84 ± 13.95 0 26 131 93 0 +95.44 ± 29.59 ↓
402670 ncm-dbt-03 587579 500 186 86 228 +70.44 ± 13.01 0 12 126 112 0 +147.19 ± 29.83 ↓
402669 ncm-dbt-05 580489 500 183 90 227 +65.38 ± 14.7 0 23 113 112 2 +132.54 ± 32.13 ↓
402668 ncm-dbt-04 570749 500 172 90 238 +57.5 ± 15.03 1 25 117 105 2 +116.78 ± 31.56 ↓
402667 ncm-dbt-02 585632 500 169 96 235 +51.09 ± 14.31 1 23 129 96 1 +104.49 ± 29.82 ↓
402666 ncm-dbt-01 581485 500 170 97 233 +51.09 ± 14.04 0 25 127 98 0 +104.49 ± 30.12 ↓
402665 ncm-dbt-03 587325 500 187 94 219 +65.38 ± 14.83 1 20 117 109 3 +132.54 ± 31.5 ↓
402664 ncm-dbt-05 582277 500 179 89 232 +63.23 ± 15.01 0 26 110 112 2 +127.76 ± 32.59 ↓
402663 ncm-dbt-04 570709 500 182 81 237 +71.16 ± 13.79 0 15 121 112 2 +145.54 ± 30.73 ↓
402662 ncm-dbt-02 588132 500 160 87 253 +51.09 ± 13.76 0 23 131 96 0 +104.49 ± 29.52 ↓
402661 ncm-dbt-01 583321 500 181 82 237 +69.71 ± 14.03 1 14 122 111 2 +143.89 ± 30.58 ↓
402660 ncm-dbt-03 586181 500 165 77 258 +61.79 ± 13.85 0 19 125 105 1 +126.18 ± 30.27 ↓
402659 ncm-dbt-05 585169 500 177 78 245 +69.71 ± 14.17 0 20 111 119 0 +145.54 ± 32.41 ↓
402658 ncm-dbt-01 583740 500 174 95 231 +55.36 ± 14.66 0 27 118 104 1 +112.14 ± 31.42 ↓
402657 ncm-dbt-04 571190 500 179 85 236 +66.1 ± 14.45 0 23 110 117 0 +137.37 ± 32.59 ↓
402656 ncm-dbt-02 584285 500 168 77 255 +63.94 ± 14.5 0 22 117 109 2 +129.35 ± 31.52 ↓
402655 ncm-dbt-03 583950 500 177 79 244 +68.99 ± 13.71 0 17 118 115 0 +143.89 ± 31.26 ↓
402654 ncm-dbt-01 585885 500 177 79 244 +68.99 ± 14.56 0 22 109 118 1 +142.26 ± 32.74 ↓
402653 ncm-dbt-04 570909 500 166 83 251 +58.21 ± 13.55 0 19 129 102 0 +119.89 ± 29.69 ↓
402652 ncm-dbt-05 588941 500 175 94 231 +56.78 ± 13.62 0 20 129 101 0 +116.78 ± 29.72 ↓
402651 ncm-dbt-02 584916 500 170 85 245 +59.64 ± 14.18 1 18 128 101 2 +121.46 ± 29.83 ↓
402650 ncm-dbt-03 587494 500 176 85 239 +63.94 ± 14.37 0 22 116 111 1 +130.94 ± 31.66 ↓
402649 ncm-dbt-01 584201 500 170 92 238 +54.64 ± 15.15 0 31 111 107 1 +110.6 ± 32.43 ↓
402648 ncm-dbt-05 585928 500 175 80 245 +66.82 ± 13.33 0 15 125 110 0 +138.99 ± 30.12 ↓
402647 ncm-dbt-02 587452 500 184 85 231 +69.71 ± 14.45 0 20 113 115 2 +142.26 ± 32.1 ↓
402646 ncm-dbt-04 572638 500 172 77 251 +66.82 ± 14.06 0 19 118 112 1 +137.37 ± 31.31 ↓
402645 ncm-dbt-03 585632 500 183 82 235 +71.16 ± 14.08 1 16 114 119 0 +150.51 ± 31.88 ↓
402644 ncm-dbt-01 584327 500 178 96 226 +57.5 ± 14.22 0 23 123 103 1 +116.78 ± 30.65 ↓
402643 ncm-dbt-05 584117 500 187 94 219 +65.38 ± 14.14 0 21 115 114 0 +135.76 ± 31.8 ↓
402642 ncm-dbt-04 569071 500 180 79 241 +71.16 ± 14.22 0 20 109 121 0 +148.85 ± 32.73 ↓
402641 ncm-dbt-02 588728 500 167 77 256 +63.23 ± 14.88 0 26 109 114 1 +129.35 ± 32.75 ↓

Commit

Commit ID 07a2619b62a25910a32ad8a4e9912f748338580f
Author FauziAkram
Date 2023-12-19 17:22:10 UTC
Improvement of Time Management Parameters Passed STC: https://tests.stockfishchess.org/tests/view/6579c5574d789acf40aaf914 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 44672 W: 11354 L: 11030 D: 22288 Ptnml(0-2): 140, 5033, 11685, 5319, 159 Passed LTC: https://tests.stockfishchess.org/tests/view/657ad7f44d789acf40ab105e LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 40932 W: 10275 L: 9950 D: 20707 Ptnml(0-2): 21, 4316, 11473, 4629, 27 Passed non-regression Sudden death 10+0: https://tests.stockfishchess.org/tests/view/657b9b9e393ac02e7911f1a8 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 21384 W: 5171 L: 4925 D: 11288 Ptnml(0-2): 112, 2420, 5409, 2612, 139 closes https://github.com/official-stockfish/Stockfish/pull/4923 No functional change
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