Dev Builds » 20230407-0756

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 06:57:18 584261 3992 1265 778 1949 +42.6 ± 5.06 4 229 1040 722 1 +87.07 ± 10.5
ncm-dbt-02 06:58:00 584834 4000 1225 819 1956 +35.39 ± 5.12 1 274 1047 674 4 +70.98 ± 10.48
ncm-dbt-03 06:56:31 585934 4000 1237 765 1998 +41.19 ± 5.11 1 251 1026 719 3 +83.2 ± 10.59
ncm-dbt-04 06:58:32 571077 4026 1266 813 1947 +39.26 ± 5.13 4 253 1050 698 8 +78.82 ± 10.46
ncm-dbt-05 06:57:06 583726 3982 1238 810 1934 +37.49 ± 5.08 3 249 1061 673 5 +75.5 ± 10.38
20000 6231 3985 9784 +39.18 ± 2.28 13 1256 5224 3486 21 +79.09 ± 4.69

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
410064 ncm-dbt-04 569749 26 9 5 12 +53.87 ± 59.23 0 1 7 5 0 +110.48 ± 134.56 ↓
410063 ncm-dbt-01 584874 492 175 100 217 +53.38 ± 14.05 0 22 128 95 1 +107.85 ± 29.87 ↓
410062 ncm-dbt-05 582736 482 141 103 238 +27.45 ± 14.65 0 36 132 72 1 +53.77 ± 29.49 ↓
410061 ncm-dbt-02 584579 500 163 105 232 +40.48 ± 14.65 0 34 124 92 0 +82.1 ± 30.63 ↓
410060 ncm-dbt-03 585632 500 168 98 234 +48.96 ± 14.47 0 29 122 99 0 +99.95 ± 30.87 ↓
410059 ncm-dbt-04 572759 500 165 102 233 +44.01 ± 15.11 0 35 118 96 1 +88.0 ± 31.44 ↓
410058 ncm-dbt-01 585084 500 155 102 243 +36.97 ± 14.7 0 36 125 89 0 +74.79 ± 30.51 ↓
410057 ncm-dbt-05 583279 500 160 100 240 +41.89 ± 14.21 0 30 130 90 0 +85.04 ± 29.79 ↓
410056 ncm-dbt-03 587707 500 162 100 238 +43.3 ± 14.02 0 28 132 90 0 +88.0 ± 29.49 ↓
410055 ncm-dbt-02 585211 500 161 99 240 +43.3 ± 14.69 0 32 125 92 1 +86.52 ± 30.48 ↓
410054 ncm-dbt-04 570188 500 151 101 248 +34.86 ± 14.57 2 30 134 84 0 +73.34 ± 29.28 ↓
410053 ncm-dbt-01 582193 500 169 94 237 +52.51 ± 13.84 0 23 129 98 0 +107.54 ± 29.8 ↓
410052 ncm-dbt-05 585421 500 155 99 246 +39.08 ± 14.31 1 28 136 84 1 +79.17 ± 28.96 ↓
410051 ncm-dbt-02 583405 500 146 102 252 +30.65 ± 14.68 0 39 128 83 0 +61.79 ± 30.13 ↓
410050 ncm-dbt-03 585084 500 138 101 261 +25.76 ± 13.67 0 34 145 71 0 +51.8 ± 27.85 ↓
410049 ncm-dbt-04 568752 500 154 108 238 +32.05 ± 15.28 0 41 124 83 2 +61.79 ± 30.65 ↓
410048 ncm-dbt-01 583028 500 159 104 237 +38.37 ± 14.79 1 33 126 90 0 +79.17 ± 30.36 ↓
410047 ncm-dbt-05 581277 500 151 86 263 +45.42 ± 13.73 0 25 135 90 0 +92.46 ± 29.02 ↓
410046 ncm-dbt-02 584874 500 152 111 237 +28.56 ± 14.41 1 35 136 78 0 +58.93 ± 29.06 ↓
410045 ncm-dbt-03 585379 500 162 92 246 +48.96 ± 14.74 0 29 124 95 2 +96.94 ± 30.59 ↓
410044 ncm-dbt-04 571029 500 147 95 258 +36.26 ± 14.66 1 32 132 84 1 +73.34 ± 29.56 ↓
410043 ncm-dbt-01 586689 500 146 95 259 +35.56 ± 13.95 1 28 140 81 0 +73.34 ± 28.43 ↓
410042 ncm-dbt-05 580116 500 154 104 242 +34.86 ± 13.76 0 30 140 80 0 +70.44 ± 28.44 ↓
410041 ncm-dbt-02 586393 500 163 98 239 +45.42 ± 14.28 0 27 133 88 2 +89.48 ± 29.33 ↓
410040 ncm-dbt-03 584243 500 148 96 256 +36.26 ± 14.79 0 36 127 86 1 +71.89 ± 30.24 ↓
410039 ncm-dbt-04 572437 500 153 106 241 +32.75 ± 14.03 0 32 140 77 1 +64.66 ± 28.48 ↓
410038 ncm-dbt-01 583992 500 155 91 254 +44.72 ± 13.97 0 27 132 91 0 +90.97 ± 29.47 ↓
410037 ncm-dbt-05 581735 500 155 114 231 +28.55 ± 14.92 0 42 125 83 0 +57.5 ± 30.53 ↓
410036 ncm-dbt-03 586604 500 156 75 269 +56.79 ± 14.99 1 27 112 110 0 +118.33 ± 32.29 ↓
410035 ncm-dbt-02 582485 500 144 106 250 +26.46 ± 13.99 0 36 140 74 0 +53.22 ± 28.53 ↓
410034 ncm-dbt-04 571270 500 158 92 250 +46.13 ± 14.85 0 32 121 96 1 +92.46 ± 31.03 ↓
410033 ncm-dbt-01 583866 500 147 96 257 +35.56 ± 15.12 2 34 125 89 0 +74.79 ± 30.51 ↓
410032 ncm-dbt-05 586223 500 167 98 235 +48.25 ± 14.3 1 22 137 87 3 +95.44 ± 28.69 ↓
410031 ncm-dbt-03 585590 500 144 93 263 +35.56 ± 13.95 0 31 137 82 0 +71.89 ± 28.86 ↓
410030 ncm-dbt-02 586308 500 151 99 250 +36.26 ± 15.17 0 39 121 89 1 +71.89 ± 31.04 ↓
410029 ncm-dbt-04 572880 500 163 116 221 +32.76 ± 14.56 1 33 135 80 1 +66.1 ± 29.17 ↓
410028 ncm-dbt-05 589027 500 155 106 239 +34.16 ± 14.91 1 36 126 87 0 +70.44 ± 30.38 ↓
410027 ncm-dbt-01 584369 500 159 96 245 +44.01 ± 13.79 0 26 135 89 0 +89.48 ± 29.04 ↓
410026 ncm-dbt-03 587240 500 159 110 231 +34.16 ± 14.65 0 37 127 86 0 +68.99 ± 30.25 ↓
410025 ncm-dbt-02 585421 500 145 99 256 +32.05 ± 13.85 0 32 140 78 0 +64.66 ± 28.48 ↓
410024 ncm-dbt-04 570629 500 166 88 246 +54.64 ± 13.23 0 17 139 93 1 +110.6 ± 28.19 ↓

Commit

Commit ID 59f2085469a7dd96146905a5d8d0c1a5d987187d
Author FauziAkram
Date 2023-04-07 07:56:35 UTC
Depth Tweak and tuning tunes reduction related parameters, and introduces more reduction on found good moves. credit for this patch goes also to candirufish Yoshie2000 dubslow peregrineshahin Vizvezdenec Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 38424 W: 10346 L: 10040 D: 18038 Ptnml(0-2): 103, 4111, 10473, 4427, 98 https://tests.stockfishchess.org/tests/view/642ca74277ff3301150db511 Passed LTC: LLR: 2.97 (-2.94,2.94) <0.50,2.50> Total: 136968 W: 37151 L: 36660 D: 63157 Ptnml(0-2): 43, 13052, 41808, 13533, 48 https://tests.stockfishchess.org/tests/view/642d632377ff3301150dddbe closes https://github.com/official-stockfish/Stockfish/pull/4499 bench: 3672914
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