Dev Builds » 20220815-1601

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 06:53:09 584039 4000 1085 916 1999 +14.69 ± 5.2 7 364 1085 541 3 +30.13 ± 10.29
ncm-dbt-02 06:52:45 585619 4000 1135 1014 1851 +10.51 ± 5.19 3 389 1101 498 9 +20.0 ± 10.21
ncm-dbt-03 06:52:58 584460 4000 1106 973 1921 +11.56 ± 5.26 4 400 1057 537 2 +23.49 ± 10.46
ncm-dbt-04 06:52:37 568447 4000 1135 949 1916 +16.17 ± 5.24 6 363 1077 547 7 +32.23 ± 10.34
ncm-dbt-05 06:52:42 581538 4000 1142 987 1871 +13.47 ± 5.29 4 395 1046 552 3 +27.16 ± 10.52
20000 5603 4839 9558 +13.28 ± 2.34 24 1911 5366 2675 24 +26.6 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432164 ncm-dbt-03 585506 500 133 117 250 +11.12 ± 15.49 1 53 126 69 1 +22.27 ± 30.41
432163 ncm-dbt-04 571310 500 139 121 240 +12.51 ± 14.36 2 41 144 63 0 +27.85 ± 28.07
432162 ncm-dbt-01 583447 500 126 110 264 +11.12 ± 14.63 0 50 134 66 0 +22.27 ± 29.4
432161 ncm-dbt-05 583489 500 138 113 249 +17.39 ± 15.49 2 47 125 76 0 +37.67 ± 30.53
432160 ncm-dbt-02 586139 500 145 129 226 +11.12 ± 14.5 1 45 142 61 1 +22.27 ± 28.35
432159 ncm-dbt-01 584916 500 145 114 241 +21.57 ± 14.81 0 44 132 73 1 +41.89 ± 29.63
432158 ncm-dbt-05 582736 500 143 123 234 +13.9 ± 14.85 0 50 130 70 0 +27.85 ± 29.9
432157 ncm-dbt-04 567839 500 143 120 237 +15.99 ± 14.38 0 44 140 65 1 +30.65 ± 28.6
432156 ncm-dbt-03 584117 500 142 123 235 +13.21 ± 14.41 1 44 140 65 0 +27.85 ± 28.61
432155 ncm-dbt-02 584285 500 130 123 247 +4.86 ± 14.22 1 47 147 54 1 +9.73 ± 27.7
432154 ncm-dbt-01 583196 500 123 106 271 +11.82 ± 14.81 1 47 137 64 1 +23.66 ± 29.01
432153 ncm-dbt-05 578836 500 144 135 221 +6.26 ± 15.22 1 55 128 66 0 +13.9 ± 30.16
432152 ncm-dbt-03 585169 500 147 126 227 +14.6 ± 14.91 0 50 129 71 0 +29.25 ± 30.03
432151 ncm-dbt-04 566809 500 140 119 241 +14.6 ± 15.16 0 52 125 73 0 +29.25 ± 30.53
432150 ncm-dbt-02 587962 500 143 142 215 +0.69 ± 15.24 1 57 134 56 2 -0.0 ± 29.41
432149 ncm-dbt-01 582987 500 140 115 245 +17.39 ± 14.49 2 39 141 68 0 +37.67 ± 28.45
432148 ncm-dbt-05 581485 500 149 125 226 +16.69 ± 14.44 0 45 136 69 0 +33.46 ± 29.13
432147 ncm-dbt-02 587240 500 157 129 214 +19.48 ± 14.26 0 42 138 70 0 +39.08 ± 28.85
432146 ncm-dbt-04 571029 500 146 108 246 +26.46 ± 15.15 1 39 134 73 3 +50.38 ± 29.35
432145 ncm-dbt-03 584034 500 139 125 236 +9.73 ± 14.38 0 48 141 60 1 +18.08 ± 28.49
432144 ncm-dbt-05 582193 500 132 113 255 +13.21 ± 14.54 0 47 138 64 1 +25.06 ± 28.88
432143 ncm-dbt-01 584369 500 134 118 248 +11.12 ± 15.37 2 50 128 70 0 +25.06 ± 30.16
432142 ncm-dbt-03 583531 500 145 126 229 +13.21 ± 15.29 1 51 126 72 0 +27.85 ± 30.41
432141 ncm-dbt-02 584916 500 134 134 232 0.0 ± 14.42 0 55 141 53 1 -1.39 ± 28.5
432140 ncm-dbt-04 567839 500 150 120 230 +20.87 ± 15.5 0 49 124 75 2 +39.08 ± 30.66
432139 ncm-dbt-05 578630 500 145 125 230 +13.91 ± 15.35 1 51 125 73 0 +29.25 ± 30.53
432138 ncm-dbt-01 581777 500 141 114 245 +18.78 ± 14.85 1 43 135 70 1 +37.67 ± 29.25
432137 ncm-dbt-03 584832 500 132 116 252 +11.12 ± 15.25 0 55 124 71 0 +22.27 ± 30.66
432136 ncm-dbt-04 567640 500 140 113 247 +18.78 ± 14.34 0 43 137 70 0 +37.67 ± 28.99
432135 ncm-dbt-02 584411 500 149 110 241 +27.15 ± 14.44 0 38 136 75 1 +53.22 ± 29.08
432134 ncm-dbt-04 564723 500 139 129 232 +6.95 ± 14.53 2 46 142 60 0 +16.69 ± 28.36
432133 ncm-dbt-05 580821 500 142 119 239 +15.99 ± 15.26 0 50 129 69 2 +29.25 ± 30.03
432132 ncm-dbt-01 583531 500 133 114 253 +13.21 ± 13.89 1 40 148 61 0 +27.85 ± 27.53
432131 ncm-dbt-02 585464 500 139 132 229 +4.86 ± 15.11 0 57 130 62 1 +8.34 ± 29.91
432130 ncm-dbt-03 582569 500 133 110 257 +15.99 ± 15.26 1 49 126 74 0 +33.46 ± 30.41
432129 ncm-dbt-04 570388 500 138 119 243 +13.21 ± 15.17 1 49 131 68 1 +26.46 ± 29.78
432128 ncm-dbt-05 584117 500 149 134 217 +10.43 ± 14.57 0 50 135 65 0 +20.87 ± 29.27
432127 ncm-dbt-03 585928 500 135 130 235 +3.47 ± 13.96 0 50 145 55 0 +6.95 ± 27.97
432126 ncm-dbt-01 588089 500 143 125 232 +12.51 ± 14.87 0 51 130 69 0 +25.06 ± 29.91
432125 ncm-dbt-02 584537 500 138 115 247 +15.99 ± 15.02 0 48 133 67 2 +29.25 ± 29.52

Commit

Commit ID 15ac117ac492e3147b391aa0ee3665fe8876be63
Author Joost VandeVondele
Date 2022-08-15 16:01:37 UTC
Simplify the use of classical eval no benefit of the fallback term (exercised rarely). Cleanup the associated code. passed STC https://tests.stockfishchess.org/tests/view/62f62c2b6f0a08af9f776367 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 67832 W: 18334 L: 18148 D: 31350 Ptnml(0-2): 369, 7171, 18609, 7439, 328 passed LTC https://tests.stockfishchess.org/tests/view/62f68beb6f0a08af9f77710e LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 104664 W: 28363 L: 28233 D: 48068 Ptnml(0-2): 169, 10162, 31511, 10350, 140 closes https://github.com/official-stockfish/Stockfish/pull/4132 Bench: 6079565
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