Dev Builds » 20220911-1213

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 06:51:53 583454 4000 1111 939 1950 +14.95 ± 5.3 11 368 1062 556 3 +31.35 ± 10.43
ncm-dbt-02 06:52:00 585652 4002 1076 912 2014 +14.25 ± 5.17 4 371 1085 539 2 +28.89 ± 10.3
ncm-dbt-03 06:51:24 585113 4000 1090 970 1940 +10.43 ± 5.27 11 384 1084 516 5 +21.92 ± 10.3
ncm-dbt-04 06:52:34 569621 4000 1109 947 1944 +14.08 ± 5.15 6 363 1095 535 1 +29.08 ± 10.24
ncm-dbt-05 06:53:24 580567 3998 1117 910 1971 +18.0 ± 5.16 8 336 1100 551 4 +36.81 ± 10.2
20000 5503 4678 9819 +14.34 ± 2.33 40 1822 5426 2697 15 +29.6 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432035 ncm-dbt-02 584243 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47 ↓
432034 ncm-dbt-05 578383 498 127 114 257 +9.07 ± 14.12 0 47 142 60 0 +18.16 ± 28.34 ↓
432033 ncm-dbt-01 582444 500 141 123 236 +12.51 ± 15.72 2 52 122 74 0 +27.85 ± 30.9 ↓
432032 ncm-dbt-04 569310 500 139 119 242 +13.91 ± 14.85 1 47 133 69 0 +29.25 ± 29.52 ↓
432031 ncm-dbt-02 584579 500 137 121 242 +11.12 ± 14.63 0 50 134 66 0 +22.27 ± 29.4 ↓
432030 ncm-dbt-03 586646 500 136 123 241 +9.04 ± 14.45 1 46 143 59 1 +18.08 ± 28.23 ↓
432029 ncm-dbt-05 582444 500 151 120 229 +21.57 ± 14.81 2 38 138 71 1 +44.72 ± 28.84 ↓
432028 ncm-dbt-01 584832 500 149 129 222 +13.9 ± 14.73 1 45 138 65 1 +27.85 ± 28.87 ↓
432027 ncm-dbt-04 569230 500 134 126 240 +5.56 ± 14.54 1 50 139 60 0 +12.51 ± 28.76 ↓
432026 ncm-dbt-02 586520 500 145 119 236 +18.08 ± 14.67 1 43 135 71 0 +37.67 ± 29.25 ↓
432025 ncm-dbt-03 586139 500 136 121 243 +10.43 ± 15.44 2 51 127 70 0 +23.66 ± 30.28 ↓
432024 ncm-dbt-01 582903 500 134 117 249 +11.82 ± 15.31 3 45 135 66 1 +26.46 ± 29.26 ↓
432023 ncm-dbt-05 583950 500 134 114 252 +13.91 ± 15.1 1 49 129 71 0 +29.25 ± 30.03 ↓
432022 ncm-dbt-02 586181 500 128 102 270 +18.08 ± 14.8 0 47 130 73 0 +36.26 ± 29.9 ↓
432021 ncm-dbt-04 570749 500 148 115 237 +22.96 ± 14.27 0 40 137 73 0 +46.13 ± 28.97 ↓
432020 ncm-dbt-03 582318 500 129 116 255 +9.04 ± 16.16 2 57 118 72 1 +19.48 ± 31.39 ↓
432019 ncm-dbt-01 583531 500 144 120 236 +16.69 ± 14.56 0 45 137 67 1 +32.05 ± 29.0 ↓
432018 ncm-dbt-05 579951 500 134 109 257 +17.39 ± 13.56 0 38 149 63 0 +34.86 ± 27.36 ↓
432017 ncm-dbt-02 584832 500 133 114 253 +13.21 ± 14.54 2 42 141 65 0 +29.25 ± 28.47 ↓
432016 ncm-dbt-04 571953 500 137 116 247 +14.6 ± 14.91 1 47 132 70 0 +30.65 ± 29.65 ↓
432015 ncm-dbt-03 585759 500 144 125 231 +13.21 ± 14.28 2 40 145 63 0 +29.25 ± 27.93 ↓
432014 ncm-dbt-01 582318 500 139 111 250 +19.48 ± 14.65 1 42 135 72 0 +40.48 ± 29.24 ↓
432013 ncm-dbt-05 580987 500 154 118 228 +25.06 ± 14.55 1 37 138 73 1 +50.38 ± 28.82 ↓
432012 ncm-dbt-02 585590 500 131 111 258 +13.9 ± 15.59 1 52 124 72 1 +27.85 ± 30.66 ↓
432011 ncm-dbt-04 569509 500 144 117 239 +18.78 ± 14.21 0 42 139 69 0 +37.67 ± 28.72 ↓
432010 ncm-dbt-03 584958 500 136 113 251 +15.99 ± 15.38 1 48 130 69 2 +30.65 ± 29.9 ↓
432009 ncm-dbt-05 583154 500 145 117 238 +19.48 ± 15.4 1 47 126 75 1 +39.08 ± 30.41 ↓
432008 ncm-dbt-01 584664 500 139 113 248 +18.08 ± 15.42 2 46 126 76 0 +39.08 ± 30.41 ↓
432007 ncm-dbt-02 585801 500 138 115 247 +15.99 ± 13.72 0 39 150 60 1 +30.65 ± 27.24 ↓
432006 ncm-dbt-03 585421 500 152 137 211 +10.43 ± 14.57 1 46 141 61 1 +20.87 ± 28.49 ↓
432005 ncm-dbt-04 568037 500 133 115 252 +12.51 ± 14.61 1 46 137 66 0 +26.46 ± 29.0 ↓
432004 ncm-dbt-05 575598 500 130 112 258 +12.51 ± 14.49 2 42 142 64 0 +27.85 ± 28.34 ↓
432003 ncm-dbt-01 585169 500 140 117 243 +15.99 ± 13.99 0 42 143 65 0 +32.05 ± 28.2 ↓
432002 ncm-dbt-02 586901 500 128 112 260 +11.12 ± 14.37 0 48 138 64 0 +22.27 ± 28.88 ↓
432001 ncm-dbt-03 584076 500 122 120 258 +1.39 ± 14.93 2 53 136 59 0 +5.56 ± 29.15 ↓
432000 ncm-dbt-04 569869 500 131 125 244 +4.17 ± 14.15 1 48 145 56 0 +9.73 ± 27.97 ↓
431999 ncm-dbt-02 586223 500 135 117 248 +12.51 ± 14.74 0 50 132 68 0 +25.06 ± 29.65 ↓
431998 ncm-dbt-01 581777 500 125 109 266 +11.12 ± 15.49 2 51 126 71 0 +25.06 ± 30.41 ↓
431997 ncm-dbt-03 585590 500 135 115 250 +13.9 ± 13.95 0 43 144 63 0 +27.85 ± 28.07 ↓
431996 ncm-dbt-04 568315 500 143 114 243 +20.17 ± 14.96 1 43 133 72 1 +40.48 ± 29.51 ↓
431995 ncm-dbt-05 580075 500 142 106 252 +25.06 ± 14.68 1 38 136 74 1 +50.38 ± 29.09 ↓

Commit

Commit ID 9fa258ee1d36d5a432a7a3e857e0723d439528b0
Author Dubslow
Date 2022-09-11 12:13:24 UTC
Razor also on PV nodes Simplification introduced by xoto10 blue LTC vs new master: https://tests.stockfishchess.org/tests/view/631ad4ef9cfa5e9b648d1b4e LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 59184 W: 16002 L: 15828 D: 27354 Ptnml(0-2): 65, 5777, 17747, 5925, 78 blue STC vs old master: https://tests.stockfishchess.org/tests/view/6306b87b902a848543334c25 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 213944 W: 57184 L: 57159 D: 99601 Ptnml(0-2): 877, 23448, 58331, 23405, 911 blue LTC vs old master: https://tests.stockfishchess.org/tests/view/63070e6b902a8485433357e7 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 192080 W: 52050 L: 52006 D: 88024 Ptnml(0-2): 232, 18981, 57611, 18943, 273 closes https://github.com/official-stockfish/Stockfish/pull/4147 bench 4208975
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