Dev Builds » 20230109-1916

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 06:59:03 583705 4000 1196 856 1948 +29.6 ± 5.13 3 293 1069 631 4 +59.46 ± 10.36
ncm-dbt-02 07:00:11 585445 4000 1205 838 1957 +31.97 ± 5.18 3 290 1051 649 7 +63.77 ± 10.47
ncm-dbt-03 06:58:26 585455 4000 1169 883 1948 +24.88 ± 5.13 3 310 1092 588 7 +49.32 ± 10.24
ncm-dbt-04 06:59:46 568972 4000 1190 855 1955 +29.17 ± 5.03 3 278 1104 611 4 +58.57 ± 10.16
ncm-dbt-05 07:00:32 582717 4000 1199 854 1947 +30.04 ± 5.14 6 284 1073 633 4 +60.9 ± 10.34
20000 5959 4286 9755 +29.13 ± 2.29 18 1455 5389 3112 26 +58.39 ± 4.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
412480 ncm-dbt-05 583572 500 148 102 250 +32.05 ± 13.71 0 31 142 77 0 +64.66 ± 28.2 ↓
412479 ncm-dbt-02 586477 500 152 94 254 +40.48 ± 14.65 0 34 124 92 0 +82.1 ± 30.63 ↓
412478 ncm-dbt-04 568752 500 150 99 251 +35.56 ± 14.48 0 35 129 86 0 +71.89 ± 29.97 ↓
412477 ncm-dbt-01 583782 500 137 112 251 +17.39 ± 14.23 1 39 145 64 1 +34.86 ± 27.92 ↓
412476 ncm-dbt-03 584916 500 139 114 247 +17.39 ± 14.62 1 42 139 67 1 +34.86 ± 28.73 ↓
412475 ncm-dbt-05 579083 500 144 100 256 +30.65 ± 15.19 0 42 123 84 1 +60.36 ± 30.78 ↓
412474 ncm-dbt-04 568593 500 153 108 239 +31.35 ± 13.94 0 32 142 75 1 +61.79 ± 28.21 ↓
412473 ncm-dbt-02 584748 500 157 103 240 +37.67 ± 13.53 0 27 142 81 0 +76.25 ± 28.11 ↓
412472 ncm-dbt-01 583950 500 153 108 239 +31.35 ± 14.47 0 37 131 82 0 +63.23 ± 29.72 ↓
412471 ncm-dbt-03 583656 500 147 105 248 +29.25 ± 14.46 1 34 138 76 1 +58.93 ± 28.79 ↓
412470 ncm-dbt-05 581902 500 143 100 257 +29.95 ± 15.02 2 36 129 83 0 +63.23 ± 29.99 ↓
412469 ncm-dbt-04 571592 500 142 93 265 +34.16 ± 15.41 1 40 118 91 0 +70.44 ± 31.44 ↓
412468 ncm-dbt-02 585843 500 157 113 230 +30.65 ± 15.19 1 37 132 77 3 +58.93 ± 29.6 ↓
412467 ncm-dbt-01 581485 500 156 117 227 +27.15 ± 14.44 0 39 133 78 0 +54.65 ± 29.48 ↓
412466 ncm-dbt-03 585759 500 147 101 252 +32.05 ± 14.64 0 37 131 81 1 +63.23 ± 29.72 ↓
412465 ncm-dbt-02 585759 500 161 106 233 +38.37 ± 15.17 2 30 132 83 3 +76.25 ± 29.54 ↓
412464 ncm-dbt-04 567918 500 157 118 225 +27.15 ± 13.91 0 34 144 71 1 +53.22 ± 27.98 ↓
412463 ncm-dbt-05 585970 500 156 116 228 +27.85 ± 14.36 0 37 137 75 1 +54.65 ± 28.94 ↓
412462 ncm-dbt-01 583992 500 153 114 233 +27.15 ± 14.95 0 41 131 76 2 +51.8 ± 29.75 ↓
412461 ncm-dbt-03 584411 500 149 98 253 +35.56 ± 14.08 0 31 138 80 1 +70.44 ± 28.73 ↓
412460 ncm-dbt-02 582318 500 151 113 236 +26.46 ± 14.52 0 40 132 78 0 +53.22 ± 29.61 ↓
412459 ncm-dbt-05 580945 500 142 109 249 +22.96 ± 14.65 1 39 137 72 1 +46.13 ± 28.97 ↓
412458 ncm-dbt-04 569949 500 148 108 244 +27.86 ± 13.96 1 32 143 74 0 +57.5 ± 28.1 ↓
412457 ncm-dbt-01 583824 500 156 105 239 +35.56 ± 14.08 0 31 138 80 1 +70.44 ± 28.73 ↓
412456 ncm-dbt-03 586223 500 153 121 226 +22.27 ± 14.98 1 42 132 74 1 +44.72 ± 29.63 ↓
412455 ncm-dbt-02 585928 500 134 92 274 +29.25 ± 14.32 0 37 134 79 0 +58.93 ± 29.33 ↓
412454 ncm-dbt-05 582110 500 170 109 221 +42.6 ± 14.78 0 33 124 92 1 +85.04 ± 30.63 ↓
412453 ncm-dbt-04 566770 500 152 111 237 +28.55 ± 14.41 0 37 136 76 1 +56.07 ± 29.07 ↓
412452 ncm-dbt-03 584874 500 142 109 249 +22.96 ± 14.27 0 39 140 70 1 +44.72 ± 28.57 ↓
412451 ncm-dbt-01 584243 500 157 85 258 +50.38 ± 14.0 0 25 128 97 0 +102.97 ± 29.98 ↓
412450 ncm-dbt-02 586604 500 157 113 230 +30.65 ± 15.19 0 42 123 84 1 +60.36 ± 30.78 ↓
412449 ncm-dbt-04 566375 500 149 113 238 +25.06 ± 13.48 0 33 148 69 0 +50.38 ± 27.43 ↓
412448 ncm-dbt-01 585253 500 143 113 244 +20.87 ± 15.13 2 42 130 76 0 +44.72 ± 29.89 ↓
412447 ncm-dbt-05 582402 500 150 105 245 +31.36 ± 14.85 2 34 131 83 0 +66.1 ± 29.72 ↓
412446 ncm-dbt-03 587282 500 151 125 224 +18.08 ± 14.67 0 45 135 69 1 +34.86 ± 29.25 ↓
412445 ncm-dbt-01 583112 500 141 102 257 +27.15 ± 14.44 0 39 133 78 0 +54.65 ± 29.48 ↓
412444 ncm-dbt-03 586520 500 141 110 249 +21.57 ± 14.16 0 40 139 71 0 +43.3 ± 28.7 ↓
412443 ncm-dbt-02 585885 500 136 104 260 +22.27 ± 14.6 0 43 132 75 0 +44.72 ± 29.63 ↓
412442 ncm-dbt-04 571833 500 139 105 256 +23.66 ± 14.19 1 35 144 69 1 +47.55 ± 28.01 ↓
412441 ncm-dbt-05 585759 500 146 113 241 +22.97 ± 13.59 1 32 150 67 0 +47.55 ± 27.16 ↓

Commit

Commit ID fcee83810a5bcf774d3e13cf9e65ccf3b29e3319
Author Jake Senne
Date 2023-01-09 19:16:17 UTC
Only close file if already open Ensures that the tablebase file is only closed if already open. Fixes #4268 Closes https://github.com/official-stockfish/Stockfish/pull/4321 No functional change
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