Dev Builds » 20221212-0720

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 06:59:25 584781 4000 1127 917 1956 +18.26 ± 5.11 4 339 1103 551 3 +36.79 ± 10.19
ncm-dbt-02 06:59:48 586729 4014 1149 954 1911 +16.89 ± 5.11 5 344 1114 539 5 +33.86 ± 10.13
ncm-dbt-03 06:59:46 586870 3996 1147 890 1959 +22.38 ± 5.18 3 333 1071 586 5 +44.59 ± 10.37
ncm-dbt-04 06:59:31 571131 3996 1113 900 1983 +18.54 ± 5.26 5 357 1062 568 6 +37.0 ± 10.42
ncm-dbt-05 06:59:42 584144 3994 1157 858 1979 +26.06 ± 5.17 3 310 1077 599 8 +51.52 ± 10.32
20000 5693 4519 9788 +20.42 ± 2.31 20 1683 5427 2843 27 +40.73 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395805 ncm-dbt-02 586943 14 4 4 6 -0.0 ± 69.83 0 1 5 1 0 -0.0 ± 145.53 ↓
395804 ncm-dbt-05 581361 494 138 108 248 +21.13 ± 15.19 1 43 129 73 1 +42.41 ± 30.0 ↓
395803 ncm-dbt-03 587792 496 140 103 253 +25.97 ± 13.92 0 35 141 72 0 +52.22 ± 28.36 ↓
395802 ncm-dbt-01 582360 500 151 113 236 +26.46 ± 13.86 0 35 142 73 0 +53.22 ± 28.26 ↓
395801 ncm-dbt-04 573487 496 134 108 254 +18.23 ± 15.04 0 47 129 71 1 +35.14 ± 30.02 ↓
395800 ncm-dbt-02 587749 500 131 116 253 +10.43 ± 15.44 0 57 121 72 0 +20.87 ± 31.02 ↓
395799 ncm-dbt-05 583112 500 141 112 247 +20.17 ± 14.45 0 43 135 72 0 +40.48 ± 29.24 ↓
395798 ncm-dbt-03 587070 500 149 112 239 +25.76 ± 14.08 0 37 139 74 0 +51.8 ± 28.68 ↓
395797 ncm-dbt-04 570068 500 148 122 230 +18.08 ± 15.05 2 43 132 73 0 +39.08 ± 29.64 ↓
395796 ncm-dbt-01 584916 500 137 116 247 +14.6 ± 14.14 0 43 144 62 1 +27.85 ± 28.07 ↓
395795 ncm-dbt-02 586774 500 148 121 231 +18.78 ± 13.53 1 34 152 63 0 +39.08 ± 26.92 ↓
395794 ncm-dbt-05 583405 500 143 113 244 +20.87 ± 15.13 2 41 133 73 1 +43.3 ± 29.5 ↓
395793 ncm-dbt-03 586604 500 142 109 249 +22.96 ± 14.53 0 41 136 72 1 +44.72 ± 29.1 ↓
395792 ncm-dbt-01 584790 500 144 129 227 +10.43 ± 15.07 3 45 136 66 0 +25.06 ± 29.14 ↓
395791 ncm-dbt-04 572235 500 141 104 255 +25.76 ± 14.34 0 39 135 76 0 +51.8 ± 29.22 ↓
395790 ncm-dbt-02 585590 500 145 109 246 +25.06 ± 14.68 1 38 136 74 1 +50.38 ± 29.09 ↓
395789 ncm-dbt-05 583698 500 146 103 251 +29.95 ± 14.24 0 36 135 79 0 +60.36 ± 29.19 ↓
395788 ncm-dbt-04 571150 500 128 131 241 -2.08 ± 15.24 1 61 128 60 0 -2.78 ± 30.16 ↓
395787 ncm-dbt-03 587240 500 146 109 245 +25.76 ± 14.6 0 39 137 72 2 +48.96 ± 28.96 ↓
395786 ncm-dbt-01 585717 500 133 117 250 +11.12 ± 14.63 0 49 137 63 1 +20.87 ± 29.01 ↓
395785 ncm-dbt-02 584201 500 153 117 230 +25.06 ± 14.42 0 39 137 73 1 +48.96 ± 28.96 ↓
395784 ncm-dbt-04 570428 500 136 109 255 +18.78 ± 14.73 1 41 140 66 2 +36.26 ± 28.59 ↓
395783 ncm-dbt-05 586266 500 148 102 250 +32.05 ± 14.9 0 37 133 77 3 +60.36 ± 29.46 ↓
395782 ncm-dbt-03 585970 500 153 125 222 +19.48 ± 14.78 0 46 130 74 0 +39.08 ± 29.9 ↓
395781 ncm-dbt-01 582778 500 126 109 265 +11.82 ± 14.43 0 48 137 65 0 +23.66 ± 29.01 ↓
395780 ncm-dbt-02 587962 500 143 120 237 +15.99 ± 15.26 1 46 135 65 3 +29.25 ± 29.26 ↓
395779 ncm-dbt-04 571110 500 141 104 255 +25.76 ± 15.84 1 46 120 81 2 +50.38 ± 31.16 ↓
395778 ncm-dbt-05 586393 500 160 101 239 +41.19 ± 14.57 0 31 131 86 2 +80.63 ± 29.67 ↓
395777 ncm-dbt-03 585421 500 130 109 261 +14.6 ± 14.78 1 46 134 69 0 +30.65 ± 29.39 ↓
395776 ncm-dbt-01 586604 500 139 104 257 +24.36 ± 14.88 0 43 130 76 1 +47.55 ± 29.89 ↓
395775 ncm-dbt-02 585801 500 136 122 242 +9.73 ± 14.12 0 47 142 61 0 +19.48 ± 28.36 ↓
395774 ncm-dbt-04 570308 500 142 108 250 +23.66 ± 14.45 0 41 134 75 0 +47.55 ± 29.36 ↓
395773 ncm-dbt-05 586266 500 138 112 250 +18.08 ± 13.89 0 39 147 63 1 +34.86 ± 27.64 ↓
395772 ncm-dbt-03 586520 500 137 121 242 +11.12 ± 14.75 1 48 135 66 0 +23.66 ± 29.27 ↓
395771 ncm-dbt-01 582360 500 161 131 208 +20.87 ± 13.84 0 38 144 68 0 +41.89 ± 28.03 ↓
395770 ncm-dbt-02 589027 500 140 127 233 +9.04 ± 14.06 0 47 143 60 0 +18.08 ± 28.23 ↓
395072 ncm-dbt-02 586520 500 149 118 233 +21.57 ± 14.29 2 35 143 70 0 +46.13 ± 28.15 ↓
395071 ncm-dbt-01 588728 500 136 98 266 +26.46 ± 14.65 1 38 133 78 0 +54.65 ± 29.48 ↓
395070 ncm-dbt-04 570268 500 143 114 243 +20.17 ± 14.05 0 39 144 66 1 +39.08 ± 28.04 ↓
395069 ncm-dbt-03 588345 500 150 102 248 +33.46 ± 15.73 1 41 119 87 2 +66.1 ± 31.3 ↓
395068 ncm-dbt-05 582652 500 143 107 250 +25.06 ± 14.42 0 40 134 76 0 +50.38 ± 29.35 ↓

Commit

Commit ID 7cf93f8b7101e5cf5df3f7921861f27b3beb9525
Author VoyagerOne
Date 2022-12-12 07:20:48 UTC
Simplify Capture Scoring The parameters are now in one place for easier tuning. New formula is very similar to current. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 48176 W: 12819 L: 12616 D: 22741 Ptnml(0-2): 139, 5316, 13001, 5467, 165 LTC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 176752 W: 47364 L: 47304 D: 82084 Ptnml(0-2): 83, 17302, 53536, 17382, 73 https://tests.stockfishchess.org/tests/view/638ec7d068532fcbf79dfa15 closes https://github.com/official-stockfish/Stockfish/pull/4281 Bench: 3410998
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