Dev Builds » 20211221-1240

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 06:53:58 585816 4002 869 1173 1960 -26.44 ± 5.35 9 631 1022 333 6 -52.66 ± 10.64
ncm-dbt-02 06:52:54 587297 4000 876 1204 1920 -28.55 ± 5.24 8 629 1052 305 6 -57.14 ± 10.47
ncm-dbt-03 06:53:41 589305 4012 882 1172 1958 -25.16 ± 5.27 5 627 1027 347 0 -49.7 ± 10.62
ncm-dbt-04 06:52:12 565731 4000 858 1169 1973 -27.07 ± 5.16 9 604 1079 305 3 -53.4 ± 10.31
ncm-dbt-05 06:54:36 583831 3986 869 1171 1946 -26.37 ± 5.22 3 622 1047 316 5 -53.41 ± 10.5
20000 4354 5889 9757 -26.72 ± 2.35 34 3113 5227 1606 20 -53.26 ± 4.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
372275 ncm-dbt-01 587707 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
372274 ncm-dbt-03 587282 12 3 3 6 -0.0 ± 81.87 0 1 4 1 0 -0.0 ± 173.65
372273 ncm-dbt-05 584579 486 110 152 224 -30.1 ± 14.73 0 77 133 31 2 -63.61 ± 29.34
372272 ncm-dbt-02 585000 500 116 152 232 -25.06 ± 14.29 0 74 139 36 1 -51.8 ± 28.68
372271 ncm-dbt-04 566336 500 111 142 247 -21.57 ± 14.68 0 75 131 44 0 -43.3 ± 29.76
372270 ncm-dbt-01 583992 500 101 144 255 -29.95 ± 14.5 1 77 137 34 1 -60.36 ± 28.92
372269 ncm-dbt-03 588302 500 101 145 254 -30.65 ± 14.42 2 75 138 35 0 -58.93 ± 28.79
372268 ncm-dbt-05 584495 500 99 143 258 -30.65 ± 14.29 0 80 134 36 0 -61.79 ± 29.32
372267 ncm-dbt-02 587707 500 100 152 248 -36.26 ± 14.39 1 82 136 30 1 -73.34 ± 29.0
372266 ncm-dbt-04 565272 500 102 157 241 -38.37 ± 14.79 2 85 129 34 0 -74.79 ± 29.96
372265 ncm-dbt-01 586816 500 114 151 235 -25.76 ± 15.6 1 81 124 42 2 -53.22 ± 30.66
372264 ncm-dbt-03 589368 500 102 144 254 -29.25 ± 15.09 3 76 131 40 0 -54.65 ± 29.74
372263 ncm-dbt-02 589197 500 112 149 239 -25.76 ± 15.23 2 76 130 41 1 -50.38 ± 29.88
372262 ncm-dbt-05 585421 500 102 132 266 -20.87 ± 15.25 1 75 128 45 1 -41.89 ± 30.15
372261 ncm-dbt-04 565430 500 104 143 253 -27.16 ± 14.83 1 75 139 32 3 -57.5 ± 28.65
372260 ncm-dbt-03 592418 500 125 135 240 -6.95 ± 14.78 0 64 132 54 0 -13.9 ± 29.66
372259 ncm-dbt-01 585506 500 115 143 242 -19.48 ± 16.23 1 81 115 51 2 -40.48 ± 31.77
372258 ncm-dbt-02 586901 500 121 163 216 -29.25 ± 15.09 0 84 125 40 1 -60.36 ± 30.52
372257 ncm-dbt-04 567007 500 103 143 254 -27.85 ± 13.27 0 70 150 30 0 -56.07 ± 27.1
372256 ncm-dbt-05 583489 500 108 148 244 -27.86 ± 15.12 0 83 125 41 1 -57.5 ± 30.53
372255 ncm-dbt-03 589112 500 111 146 243 -24.36 ± 15.62 0 85 115 50 0 -48.96 ± 31.78
372254 ncm-dbt-01 587962 500 117 148 235 -21.57 ± 14.81 0 76 129 45 0 -43.3 ± 30.02
372253 ncm-dbt-02 590310 500 106 162 232 -39.08 ± 14.7 1 87 130 31 1 -79.17 ± 29.81
372252 ncm-dbt-04 566730 500 116 143 241 -18.78 ± 14.73 2 67 137 44 0 -34.86 ± 28.99
372251 ncm-dbt-05 581693 500 114 130 256 -11.12 ± 14.37 0 64 138 48 0 -22.27 ± 28.88
372250 ncm-dbt-03 588941 500 115 134 251 -13.21 ± 15.65 0 76 117 57 0 -26.46 ± 31.51
372249 ncm-dbt-01 585295 500 111 136 253 -17.39 ± 15.37 2 70 130 47 1 -33.46 ± 29.9
372248 ncm-dbt-02 586985 500 109 149 242 -27.85 ± 14.49 1 76 135 38 0 -54.65 ± 29.21
372247 ncm-dbt-04 566060 500 97 134 269 -25.76 ± 15.11 1 79 126 44 0 -50.38 ± 30.4
372246 ncm-dbt-03 588472 500 112 159 229 -32.76 ± 14.03 0 80 137 33 0 -66.1 ± 28.89
372245 ncm-dbt-05 584664 500 109 159 232 -34.86 ± 15.33 2 85 125 37 1 -68.99 ± 30.52
372244 ncm-dbt-01 585759 500 102 149 249 -32.76 ± 14.69 0 85 127 38 0 -66.1 ± 30.25
372243 ncm-dbt-02 586858 500 115 133 252 -12.51 ± 14.87 0 69 130 51 0 -25.06 ± 29.91
372242 ncm-dbt-04 563861 500 99 154 247 -38.37 ± 14.26 1 84 134 31 0 -76.25 ± 29.26
372241 ncm-dbt-03 590610 500 110 151 239 -28.55 ± 14.92 0 83 125 42 0 -57.5 ± 30.53
372240 ncm-dbt-05 584453 500 116 153 231 -25.76 ± 14.73 0 79 129 42 0 -51.8 ± 30.01
372239 ncm-dbt-01 582152 500 100 141 259 -28.55 ± 14.41 1 76 136 37 0 -56.07 ± 29.07
372238 ncm-dbt-04 565154 500 126 153 221 -18.78 ± 14.98 2 69 133 46 0 -34.86 ± 29.51
372237 ncm-dbt-02 585421 500 97 144 259 -32.76 ± 15.44 3 81 127 38 1 -63.23 ± 30.26
372236 ncm-dbt-03 589240 500 103 155 242 -36.26 ± 14.53 0 87 128 35 0 -73.34 ± 30.1
372235 ncm-dbt-01 587155 500 108 160 232 -36.26 ± 15.42 3 85 123 39 0 -68.99 ± 30.78
372234 ncm-dbt-05 581860 500 111 154 235 -29.95 ± 14.24 0 79 135 36 0 -60.36 ± 29.19

Commit

Commit ID 2c30956a13986454dcc5dd8c7daa1b27d5a77a1b
Author bmc4
Date 2021-12-21 12:40:57 UTC
Remove Capture Extension This revert the patch #3692, probably can be simplified after the introduction of #3838. Fixed-game test: ELO: -1.41 +-1.8 (95%) LOS: 5.9% Total: 20000 W: 1552 L: 1633 D: 16815 Ptnml(0-2): 38, 1242, 7517, 1169, 34 https://tests.stockfishchess.org/tests/view/61bc1a2057a0d0f327c32a3c STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 44528 W: 11619 L: 11478 D: 21431 Ptnml(0-2): 146, 5020, 11771, 5201, 126 https://tests.stockfishchess.org/tests/view/61bc638c57a0d0f327c338fe LTC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 34136 W: 8847 L: 8704 D: 16585 Ptnml(0-2): 23, 3475, 9925, 3626, 19 https://tests.stockfishchess.org/tests/view/61bcb24257a0d0f327c34813 closes https://github.com/official-stockfish/Stockfish/pull/3863 Bench: 4054695
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