Dev Builds » 20220301-1651

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 06:52:17 584286 4000 986 1062 1952 -6.6 ± 5.1 5 471 1121 401 2 -12.69 ± 10.1
ncm-dbt-02 06:53:36 586147 4002 1008 1050 1944 -3.65 ± 5.07 4 452 1129 414 2 -6.95 ± 10.05
ncm-dbt-03 06:52:12 587215 4000 1000 1001 1999 -0.09 ± 5.19 6 443 1101 446 4 +0.17 ± 10.21
ncm-dbt-04 06:52:17 570783 4000 970 1047 1983 -6.69 ± 5.0 2 460 1156 377 5 -13.9 ± 9.89
ncm-dbt-05 06:53:50 585716 3998 933 1021 2044 -7.65 ± 5.18 9 480 1100 410 0 -13.74 ± 10.22
20000 4897 5181 9922 -4.93 ± 2.28 26 2306 5607 2048 13 -9.42 ± 4.51

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
399431 ncm-dbt-02 584411 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
399430 ncm-dbt-01 584622 500 120 129 251 -6.25 ± 14.21 1 56 144 49 0 -11.12 ± 28.1
399429 ncm-dbt-05 589027 498 120 118 260 +1.4 ± 14.86 0 58 131 60 0 +2.79 ± 29.78
399428 ncm-dbt-03 586350 500 134 121 245 +9.04 ± 14.71 1 48 139 61 1 +18.08 ± 28.75
399427 ncm-dbt-04 573042 500 118 132 250 -9.73 ± 14.12 0 61 142 47 0 -19.48 ± 28.36
399426 ncm-dbt-02 585885 500 128 134 238 -4.17 ± 15.05 0 64 128 58 0 -8.34 ± 30.16
399425 ncm-dbt-01 583950 500 127 134 239 -4.86 ± 14.98 0 64 129 57 0 -9.73 ± 30.04
399424 ncm-dbt-05 584790 500 118 127 255 -6.25 ± 15.94 3 64 122 61 0 -8.34 ± 30.9
399423 ncm-dbt-03 584958 500 121 126 253 -3.47 ± 14.86 0 62 131 57 0 -6.95 ± 29.79
399422 ncm-dbt-04 569190 500 118 131 251 -9.04 ± 14.45 0 63 137 50 0 -18.08 ± 29.01
399421 ncm-dbt-02 588771 500 121 138 241 -11.82 ± 14.3 1 61 142 46 0 -22.27 ± 28.35
399420 ncm-dbt-03 587494 500 119 131 250 -8.34 ± 14.13 1 57 145 47 0 -15.3 ± 27.96
399419 ncm-dbt-01 582945 500 118 135 247 -11.82 ± 14.43 0 64 140 45 1 -25.06 ± 28.61
399418 ncm-dbt-05 582235 500 124 120 256 +2.78 ± 14.55 0 55 136 59 0 +5.56 ± 29.15
399417 ncm-dbt-04 570949 500 120 121 259 -0.7 ± 14.87 0 58 137 53 2 -4.17 ± 29.02
399416 ncm-dbt-02 585000 500 121 133 246 -8.34 ± 14.39 2 56 144 48 0 -13.9 ± 28.1
399415 ncm-dbt-01 584453 500 140 124 236 +11.12 ± 15.25 1 52 127 70 0 +23.66 ± 30.28
399414 ncm-dbt-03 587919 500 121 125 254 -2.78 ± 13.62 0 52 150 48 0 -5.56 ± 27.29
399413 ncm-dbt-05 587834 500 122 123 255 -0.69 ± 14.74 3 50 142 55 0 +2.78 ± 28.37
399412 ncm-dbt-04 568037 500 115 135 250 -13.91 ± 13.81 0 61 149 39 1 -29.25 ± 27.38
399411 ncm-dbt-02 586816 500 116 143 241 -18.78 ± 13.4 0 63 151 36 0 -37.67 ± 27.07
399410 ncm-dbt-03 588302 500 129 134 237 -3.47 ± 15.83 1 66 121 61 1 -6.95 ± 31.02
399409 ncm-dbt-01 583196 500 114 131 255 -11.82 ± 14.56 1 62 141 45 1 -23.66 ± 28.48
399408 ncm-dbt-05 582277 500 115 132 253 -11.82 ± 14.81 0 68 131 51 0 -23.66 ± 29.78
399407 ncm-dbt-02 586477 500 130 119 251 +7.64 ± 15.34 1 54 129 65 1 +15.3 ± 30.04
399406 ncm-dbt-04 571994 500 120 127 253 -4.86 ± 12.99 0 49 159 42 0 -9.73 ± 26.02
399405 ncm-dbt-03 587028 500 117 131 252 -9.73 ± 15.26 2 63 133 51 1 -18.08 ± 29.53
399404 ncm-dbt-01 584411 500 122 136 242 -9.73 ± 13.58 1 54 153 42 0 -18.08 ± 26.86
399403 ncm-dbt-02 587919 500 117 131 252 -9.73 ± 13.72 0 58 148 44 0 -19.48 ± 27.55
399402 ncm-dbt-04 569789 500 128 124 248 +2.78 ± 14.93 1 53 139 55 2 +4.17 ± 28.76
399401 ncm-dbt-05 587962 500 112 130 258 -12.51 ± 13.96 1 59 147 43 0 -23.66 ± 27.68
399400 ncm-dbt-01 584916 500 121 135 244 -9.73 ± 14.77 1 63 135 51 0 -18.08 ± 29.27
399399 ncm-dbt-03 589069 500 132 117 251 +10.43 ± 14.82 1 49 134 66 0 +22.27 ± 29.4
399398 ncm-dbt-02 583405 500 137 126 237 +7.64 ± 14.2 0 49 141 60 0 +15.3 ± 28.49
399397 ncm-dbt-04 572759 500 128 146 226 -12.51 ± 13.69 1 57 151 41 0 -23.66 ± 27.12
399396 ncm-dbt-05 586435 500 110 135 255 -17.38 ± 14.1 1 64 144 41 0 -33.46 ± 28.06
399395 ncm-dbt-01 585801 500 124 138 238 -9.73 ± 13.45 0 56 152 42 0 -19.48 ± 27.0
399394 ncm-dbt-04 570509 500 123 131 246 -5.56 ± 14.15 0 58 142 50 0 -11.12 ± 28.37
399393 ncm-dbt-03 586604 500 127 116 257 +7.64 ± 13.94 0 46 148 55 1 +13.9 ± 27.56
399392 ncm-dbt-05 585169 500 112 136 252 -16.69 ± 13.91 1 62 147 40 0 -32.05 ± 27.65
399391 ncm-dbt-02 586646 500 138 125 237 +9.03 ± 14.06 0 46 146 57 1 +16.69 ± 27.82

Commit

Commit ID 4ac7d726ec5ba38ba593bca2ab5cb7589785a957
Author Giacomo Lorenzetti
Date 2022-03-01 16:51:37 UTC
Sort captures This patch (partially) sort captures in analogy to quiet moves. All three movepickers are affected, hence `depth` is added as an argument in probcut's. Passed STC: https://tests.stockfishchess.org/tests/view/621a4576da649bba32ef6fd4 LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 103848 W: 27884 L: 27473 D: 48491 Ptnml(0-2): 587, 11691, 26974, 12068, 604 Passed LTC: https://tests.stockfishchess.org/tests/view/621aaa5bda649bba32ef7c2d LLR: 2.96 (-2.94,2.94) <0.50,3.00> Total: 212032 W: 56420 L: 55739 D: 99873 Ptnml(0-2): 198, 21310, 62348, 21933, 227 closes https://github.com/official-stockfish/Stockfish/pull/3952 Bench: 6833580
Copyright 2011–2025 Next Chess Move LLC