Dev Builds » 20220620-0624

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 06:50:16 584719 4000 1089 965 1946 +10.77 ± 5.25 4 396 1080 512 8 +20.87 ± 10.33
ncm-dbt-02 06:51:39 584587 4000 1022 976 2002 +4.0 ± 5.17 5 419 1106 465 5 +7.99 ± 10.18
ncm-dbt-03 06:51:39 585501 4000 1082 981 1937 +8.77 ± 5.19 4 398 1097 495 6 +17.21 ± 10.23
ncm-dbt-04 06:52:03 568343 4000 1104 987 1909 +10.17 ± 5.2 6 384 1106 495 9 +19.83 ± 10.18
ncm-dbt-05 06:52:57 582236 4000 1073 974 1953 +8.6 ± 5.16 2 404 1088 505 1 +17.39 ± 10.28
20000 5370 4883 9747 +8.46 ± 2.32 21 2001 5477 2472 29 +16.65 ± 4.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432463 ncm-dbt-05 583740 500 116 132 252 -11.12 ± 14.75 2 61 138 49 0 -19.48 ± 28.88
432462 ncm-dbt-04 564174 500 118 122 260 -2.78 ± 14.42 1 55 141 53 0 -4.17 ± 28.5
432461 ncm-dbt-01 586308 500 128 116 256 +8.34 ± 13.87 0 46 146 58 0 +16.69 ± 27.82
432460 ncm-dbt-02 586223 500 121 123 256 -1.39 ± 14.42 1 53 144 51 1 -2.78 ± 28.1
432459 ncm-dbt-03 584622 500 137 125 238 +8.34 ± 14.52 0 50 139 60 1 +15.3 ± 28.76
432458 ncm-dbt-01 583992 500 132 126 242 +4.17 ± 14.54 0 53 139 57 1 +6.95 ± 28.76
432457 ncm-dbt-05 581902 500 124 112 264 +8.34 ± 13.46 0 43 152 55 0 +16.69 ± 27.0
432456 ncm-dbt-03 585548 500 141 129 230 +8.34 ± 15.51 1 55 126 67 1 +16.69 ± 30.41
432455 ncm-dbt-04 569709 500 147 120 233 +18.78 ± 13.81 0 39 145 66 0 +37.67 ± 27.91
432454 ncm-dbt-02 585590 500 129 116 255 +9.03 ± 14.83 0 51 137 60 2 +15.3 ± 29.02
432453 ncm-dbt-01 583070 500 144 136 220 +5.56 ± 14.92 1 51 139 57 2 +9.73 ± 28.76
432452 ncm-dbt-05 578959 500 143 128 229 +10.43 ± 14.44 0 49 137 64 0 +20.87 ± 29.01
432451 ncm-dbt-03 586097 500 142 109 249 +22.97 ± 14.78 1 41 132 76 0 +47.55 ± 29.63
432450 ncm-dbt-02 585928 500 126 109 265 +11.82 ± 14.43 1 45 140 64 0 +25.06 ± 28.61
432449 ncm-dbt-04 567482 500 132 108 260 +16.69 ± 14.31 0 44 138 68 0 +33.46 ± 28.86
432448 ncm-dbt-01 584369 500 139 127 234 +8.34 ± 15.87 1 58 120 70 1 +16.69 ± 31.14
432447 ncm-dbt-03 586350 500 126 127 247 -0.69 ± 14.61 0 58 135 57 0 -1.39 ± 29.28
432446 ncm-dbt-02 584832 500 123 136 241 -9.03 ± 13.93 1 56 148 45 0 -16.69 ± 27.55
432445 ncm-dbt-05 583070 500 128 116 256 +8.34 ± 14.9 0 54 130 66 0 +16.69 ± 29.91
432444 ncm-dbt-04 569071 500 139 123 238 +11.12 ± 14.88 2 45 139 63 1 +23.66 ± 28.75
432443 ncm-dbt-01 582611 500 137 112 251 +17.38 ± 15.37 0 50 127 71 2 +32.05 ± 30.28
432442 ncm-dbt-02 580821 500 141 129 230 +8.34 ± 15.63 1 57 121 71 0 +18.08 ± 31.02
432441 ncm-dbt-03 583866 500 127 124 249 +2.08 ± 14.09 0 52 143 55 0 +4.17 ± 28.24
432440 ncm-dbt-04 567997 500 129 137 234 -5.56 ± 15.04 2 57 140 49 2 -11.12 ± 28.63
432439 ncm-dbt-05 580323 500 142 118 240 +16.69 ± 14.69 0 47 132 71 0 +33.46 ± 29.64
432438 ncm-dbt-01 586689 500 135 122 243 +9.04 ± 14.83 1 50 134 65 0 +19.48 ± 29.4
432437 ncm-dbt-02 582152 500 132 112 256 +13.9 ± 14.08 0 44 142 64 0 +27.85 ± 28.34
432436 ncm-dbt-03 585590 500 141 118 241 +15.99 ± 14.25 0 42 145 61 2 +29.25 ± 27.93
432435 ncm-dbt-04 572114 500 142 124 234 +12.51 ± 15.12 0 52 129 68 1 +23.66 ± 30.03
432434 ncm-dbt-05 581735 500 136 125 239 +7.64 ± 14.97 0 54 132 63 1 +13.9 ± 29.66
432433 ncm-dbt-01 586139 500 141 121 238 +13.9 ± 14.6 0 47 137 65 1 +26.46 ± 29.0
432432 ncm-dbt-02 583405 500 125 125 250 -0.0 ± 14.29 0 55 140 55 0 -0.0 ± 28.63
432431 ncm-dbt-03 585759 500 134 116 250 +12.51 ± 14.09 0 44 145 60 1 +23.66 ± 27.95
432430 ncm-dbt-05 580199 500 144 118 238 +18.08 ± 15.17 0 50 124 76 0 +36.26 ± 30.66
432429 ncm-dbt-04 569749 500 151 134 215 +11.82 ± 14.94 1 46 141 59 3 +20.87 ± 28.49
432428 ncm-dbt-01 584579 500 133 105 262 +19.48 ± 14.65 1 41 138 69 1 +39.08 ± 28.85
432427 ncm-dbt-03 586181 500 134 133 233 +0.69 ± 15.36 2 56 132 59 1 +2.78 ± 29.66
432426 ncm-dbt-02 587749 500 125 126 249 -0.69 ± 15.24 1 58 134 55 2 -2.78 ± 29.41
432425 ncm-dbt-05 587962 500 140 125 235 +10.43 ± 14.05 0 46 143 61 0 +20.87 ± 28.22
432424 ncm-dbt-04 566454 500 146 119 235 +18.78 ± 14.98 0 46 133 69 2 +34.86 ± 29.51

Commit

Commit ID 4d6a11a04cd8447b56447a9433c0cfb547a00643
Author bmc4
Date 2022-06-20 06:24:07 UTC
Don't change ttPv at probCut STC: LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 35672 W: 9618 L: 9462 D: 16592 Ptnml(0-2): 151, 3890, 9601, 4040, 154 https://tests.stockfishchess.org/tests/view/62ab03f750949cfc241b1965 LTC: LLR: 2.93 (-2.94,2.94) <-2.25,0.25> Total: 54160 W: 14626 L: 14511 D: 25023 Ptnml(0-2): 42, 5414, 16056, 5523, 45 https://tests.stockfishchess.org/tests/view/62ab5e6fd89eb6cf1e071b87 closes https://github.com/official-stockfish/Stockfish/pull/4088 bench: 5798229
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