Dev Builds » 20220602-0543

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 06:52:03 584441 4004 1072 992 1940 +6.94 ± 5.29 5 426 1058 510 3 +14.24 ± 10.45
ncm-dbt-02 06:52:04 585919 4000 1124 948 1928 +15.3 ± 5.2 1 373 1084 533 9 +29.25 ± 10.3
ncm-dbt-03 06:52:06 585250 4012 1034 1024 1954 +0.87 ± 5.23 4 451 1088 457 6 +1.39 ± 10.29
ncm-dbt-04 06:51:11 568517 4000 1039 947 2014 +7.99 ± 5.06 4 381 1138 473 4 +15.99 ± 10.0
ncm-dbt-05 06:52:24 581642 3984 1115 991 1878 +10.82 ± 5.24 4 396 1066 524 2 +22.01 ± 10.4
20000 5384 4902 9714 +8.37 ± 2.33 18 2027 5434 2497 24 +16.55 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432594 ncm-dbt-01 586266 4 0 0 4 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22 ↓
432593 ncm-dbt-03 585295 12 4 3 5 +29.01 ± 131.8 0 2 1 3 0 +58.45 ± 350.58 ↓
432592 ncm-dbt-05 578588 484 135 112 237 +16.52 ± 14.99 1 43 130 68 0 +34.57 ± 29.83 ↓
432591 ncm-dbt-04 569350 500 131 121 248 +6.95 ± 14.01 0 48 144 58 0 +13.9 ± 28.1 ↓
432590 ncm-dbt-02 584832 500 141 133 226 +5.56 ± 14.15 1 47 145 57 0 +12.51 ± 27.96 ↓
432589 ncm-dbt-01 583908 500 139 118 243 +14.6 ± 15.03 0 51 127 72 0 +29.25 ± 30.28 ↓
432588 ncm-dbt-03 584874 500 136 118 246 +12.51 ± 15.24 0 52 130 66 2 +22.27 ± 29.91 ↓
432587 ncm-dbt-05 580572 500 142 121 237 +14.6 ± 14.65 0 48 133 69 0 +29.25 ± 29.52 ↓
432586 ncm-dbt-04 567126 500 121 113 266 +5.56 ± 14.54 0 53 136 61 0 +11.12 ± 29.15 ↓
432585 ncm-dbt-02 586139 500 143 114 243 +20.17 ± 15.33 0 49 124 76 1 +39.08 ± 30.66 ↓
432584 ncm-dbt-03 584748 500 128 147 225 -13.21 ± 14.41 0 65 140 44 1 -27.85 ± 28.61 ↓
432583 ncm-dbt-01 584622 500 122 116 262 +4.17 ± 14.92 2 51 136 61 0 +11.12 ± 29.15 ↓
432582 ncm-dbt-04 568196 500 128 118 254 +6.95 ± 14.66 0 51 140 57 2 +11.12 ± 28.63 ↓
432581 ncm-dbt-05 581444 500 143 135 222 +5.56 ± 14.79 0 54 135 60 1 +9.73 ± 29.28 ↓
432580 ncm-dbt-02 587494 500 122 109 269 +9.03 ± 14.83 0 51 137 60 2 +15.3 ± 29.02 ↓
432579 ncm-dbt-03 586604 500 145 127 228 +12.51 ± 14.23 1 42 146 60 1 +25.06 ± 27.81 ↓
432578 ncm-dbt-01 583279 500 126 131 243 -3.47 ± 14.48 1 56 140 53 0 -5.56 ± 28.63 ↓
432577 ncm-dbt-04 569270 500 143 118 239 +17.38 ± 14.1 0 41 144 64 1 +33.46 ± 28.06 ↓
432576 ncm-dbt-05 583740 500 130 128 242 +1.39 ± 14.68 0 57 134 59 0 +2.78 ± 29.41 ↓
432575 ncm-dbt-02 587028 500 137 125 238 +8.34 ± 14.52 0 49 142 57 2 +13.9 ± 28.36 ↓
432574 ncm-dbt-01 584622 500 142 121 237 +14.6 ± 15.52 1 51 125 72 1 +29.25 ± 30.53 ↓
432573 ncm-dbt-03 587325 500 125 131 244 -4.17 ± 15.65 2 63 124 61 0 -5.56 ± 30.65 ↓
432572 ncm-dbt-04 568673 500 133 128 239 +3.48 ± 14.35 1 50 142 57 0 +8.34 ± 28.37 ↓
432571 ncm-dbt-05 582068 500 144 123 233 +14.6 ± 14.78 1 46 134 69 0 +30.65 ± 29.39 ↓
432570 ncm-dbt-02 586477 500 142 120 238 +15.3 ± 14.45 0 46 136 68 0 +30.65 ± 29.13 ↓
432569 ncm-dbt-01 585042 500 140 118 242 +15.3 ± 14.45 1 42 142 64 1 +30.65 ± 28.34 ↓
432568 ncm-dbt-03 586350 500 112 127 261 -10.42 ± 14.82 1 64 134 51 0 -19.48 ± 29.4 ↓
432567 ncm-dbt-05 579413 500 134 126 240 +5.56 ± 13.88 0 48 146 56 0 +11.12 ± 27.83 ↓
432566 ncm-dbt-04 566060 500 127 109 264 +12.51 ± 14.74 1 47 135 67 0 +26.46 ± 29.26 ↓
432565 ncm-dbt-02 583447 500 145 112 243 +22.96 ± 14.13 0 39 139 72 0 +46.13 ± 28.7 ↓
432564 ncm-dbt-01 584748 500 134 131 235 +2.08 ± 15.11 0 59 130 60 1 +2.78 ± 29.91 ↓
432563 ncm-dbt-03 582819 500 133 123 244 +6.95 ± 14.53 0 50 142 56 2 +11.12 ± 28.37 ↓
432562 ncm-dbt-02 585674 500 154 115 231 +27.15 ± 15.45 0 43 129 74 4 +48.96 ± 30.01 ↓
432561 ncm-dbt-05 584622 500 148 134 218 +9.73 ± 15.26 0 55 127 67 1 +18.08 ± 30.28 ↓
432560 ncm-dbt-04 568792 500 137 123 240 +9.73 ± 13.72 1 40 154 54 1 +19.48 ± 26.72 ↓
432559 ncm-dbt-01 582694 500 135 125 240 +6.95 ± 14.91 0 55 130 65 0 +13.9 ± 29.91 ↓
432558 ncm-dbt-03 584411 500 130 126 244 +2.78 ± 14.29 0 53 140 57 0 +5.56 ± 28.63 ↓
432557 ncm-dbt-04 570669 500 119 117 264 +1.39 ± 14.29 1 51 143 55 0 +4.17 ± 28.24 ↓
432556 ncm-dbt-05 582694 500 139 112 249 +18.78 ± 15.35 2 45 127 76 0 +40.48 ± 30.28 ↓
432555 ncm-dbt-02 586266 500 140 120 240 +13.9 ± 14.73 0 49 132 69 0 +27.85 ± 29.65 ↓
432554 ncm-dbt-01 584790 500 134 132 234 +1.39 ± 15.18 0 61 126 63 0 +2.78 ± 30.41 ↓
432553 ncm-dbt-03 584832 500 121 122 257 -0.69 ± 14.87 0 60 131 59 0 -1.39 ± 29.79 ↓

Commit

Commit ID 8fadbcf1b2c3bc281b2d1efd7992fc9f4c3a38be
Author Michael Chaly
Date 2022-06-02 05:43:14 UTC
Add info about elo gained from some heuristics Add info about qsearch and impact of main and continuation histories. Based on these tests: https://tests.stockfishchess.org/tests/view/62946ffcb0d5a7d1b780fc7e https://tests.stockfishchess.org/tests/view/628facb71e7cd5f299669534 https://tests.stockfishchess.org/tests/view/628eade11e7cd5f299666f2e closes https://github.com/official-stockfish/Stockfish/pull/4041 No functional change.
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