Dev Builds » 20230622-0817

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 06:52:02 584069 4000 1373 703 1924 +58.75 ± 5.26 4 204 922 858 12 +119.5 ± 11.21
ncm-dbt-02 06:53:17 586306 3996 1311 683 2002 +55.06 ± 5.02 3 185 995 811 4 +112.84 ± 10.74
ncm-dbt-03 06:53:15 587896 4012 1360 718 1934 +56.08 ± 5.15 1 203 967 823 12 +113.12 ± 10.93
ncm-dbt-04 06:53:00 570464 4000 1349 673 1978 +59.29 ± 4.99 1 173 981 839 6 +121.26 ± 10.81
ncm-dbt-05 06:52:17 588223 3992 1378 703 1911 +59.32 ± 5.1 4 177 964 842 9 +121.33 ± 10.93
20000 6771 3480 9749 +57.7 ± 2.28 13 942 4829 4173 43 +117.59 ± 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
393553 ncm-dbt-03 589112 12 4 3 5 +29.01 ± 131.8 0 2 1 3 0 +58.45 ± 350.58 ↓
393552 ncm-dbt-05 585885 492 171 81 240 +64.28 ± 14.83 1 20 115 108 2 +131.66 ± 31.78 ↓
393551 ncm-dbt-04 569190 500 171 91 238 +56.07 ± 14.29 1 22 123 104 0 +116.78 ± 30.65 ↓
393550 ncm-dbt-01 581818 500 182 77 241 +74.06 ± 13.89 0 15 117 116 2 +152.18 ± 31.35 ↓
393549 ncm-dbt-02 587707 496 159 80 257 +55.81 ± 13.65 1 16 135 95 1 +114.66 ± 28.73 ↓
393548 ncm-dbt-03 591771 500 169 89 242 +56.07 ± 13.59 0 18 136 94 2 +112.14 ± 28.66 ↓
393547 ncm-dbt-05 584453 500 179 99 222 +56.07 ± 14.83 1 24 121 102 2 +113.68 ± 30.97 ↓
393546 ncm-dbt-02 580696 500 168 94 238 +51.8 ± 14.88 0 29 120 99 2 +102.97 ± 31.15 ↓
393545 ncm-dbt-04 569989 500 170 94 236 +53.22 ± 13.3 0 18 139 92 1 +107.54 ± 28.24 ↓
393544 ncm-dbt-01 584832 500 174 88 238 +60.36 ± 15.15 0 29 107 113 1 +123.02 ± 33.03 ↓
393543 ncm-dbt-03 586774 500 170 101 229 +48.26 ± 14.83 1 29 120 100 0 +99.95 ± 31.16 ↓
393542 ncm-dbt-05 586901 500 170 88 242 +57.5 ± 14.89 1 26 113 110 0 +119.89 ± 32.15 ↓
393541 ncm-dbt-02 588472 500 157 90 253 +46.84 ± 14.49 0 30 123 97 0 +95.44 ± 30.74 ↓
393540 ncm-dbt-04 570188 500 167 79 254 +61.79 ± 13.27 0 15 133 101 1 +126.18 ± 28.95 ↓
393539 ncm-dbt-01 587877 500 169 83 248 +60.36 ± 15.15 1 24 116 106 3 +121.46 ± 31.7 ↓
393538 ncm-dbt-03 586731 500 161 82 257 +55.36 ± 15.69 0 34 105 109 2 +110.6 ± 33.27 ↓
393537 ncm-dbt-05 585674 500 181 90 229 +63.94 ± 14.23 0 20 121 107 2 +129.35 ± 30.88 ↓
393536 ncm-dbt-04 570509 500 178 87 235 +63.94 ± 14.91 0 25 111 112 2 +129.35 ± 32.44 ↓
393535 ncm-dbt-02 587367 500 165 73 262 +64.66 ± 13.83 0 19 120 111 0 +134.15 ± 31.01 ↓
393534 ncm-dbt-01 584076 500 174 81 245 +65.38 ± 14.83 1 22 111 115 1 +135.76 ± 32.43 ↓
393533 ncm-dbt-03 587877 500 174 94 232 +56.07 ± 15.35 0 30 113 104 3 +110.6 ± 32.15 ↓
393532 ncm-dbt-05 585000 500 157 92 251 +45.42 ± 14.14 0 27 132 90 1 +90.97 ± 29.47 ↓
393531 ncm-dbt-04 571351 500 166 82 252 +58.93 ± 13.72 0 20 126 104 0 +121.46 ± 30.15 ↓
393530 ncm-dbt-02 587282 500 162 93 245 +48.25 ± 14.57 0 29 124 96 1 +96.94 ± 30.59 ↓
393529 ncm-dbt-01 583363 500 164 89 247 +52.51 ± 14.92 1 28 116 105 0 +109.07 ± 31.72 ↓
393528 ncm-dbt-03 585464 500 164 88 248 +53.22 ± 14.42 0 26 123 100 1 +107.54 ± 30.7 ↓
393527 ncm-dbt-05 587028 500 171 85 244 +60.36 ± 13.79 0 18 130 100 2 +121.46 ± 29.51 ↓
393526 ncm-dbt-04 571793 500 163 86 251 +53.93 ± 14.86 0 30 113 107 0 +110.6 ± 32.15 ↓
393525 ncm-dbt-02 585843 500 159 94 247 +45.42 ± 14.41 1 27 128 94 0 +93.95 ± 30.03 ↓
393524 ncm-dbt-01 582945 500 182 95 223 +61.07 ± 14.1 0 21 122 106 1 +124.6 ± 30.76 ↓
393523 ncm-dbt-03 586646 500 172 95 233 +53.93 ± 14.46 0 25 125 98 2 +107.54 ± 30.4 ↓
393522 ncm-dbt-05 581194 500 174 78 248 +67.55 ± 14.78 1 22 107 120 0 +142.26 ± 33.06 ↓
393521 ncm-dbt-04 570068 500 165 65 270 +70.43 ± 14.2 0 18 116 114 2 +143.89 ± 31.59 ↓
393520 ncm-dbt-01 584076 500 170 95 235 +52.51 ± 15.05 1 27 120 100 2 +106.01 ± 31.14 ↓
393519 ncm-dbt-02 582903 500 172 85 243 +61.07 ± 13.38 0 17 129 104 0 +126.18 ± 29.62 ↓
393518 ncm-dbt-03 587155 500 183 84 233 +69.71 ± 14.03 0 18 116 115 1 +143.89 ± 31.59 ↓
393517 ncm-dbt-05 609655 500 175 90 235 +59.64 ± 13.76 0 20 125 105 0 +123.02 ± 30.3 ↓
393516 ncm-dbt-02 590181 500 169 74 257 +66.83 ± 14.2 1 18 116 115 0 +140.62 ± 31.61 ↓
393515 ncm-dbt-01 583572 500 158 95 247 +44.01 ± 15.61 0 38 113 97 2 +86.52 ± 32.11 ↓
393514 ncm-dbt-04 570629 500 169 89 242 +56.07 ± 14.29 0 25 120 105 0 +115.23 ± 31.11 ↓
393513 ncm-dbt-03 589539 500 163 82 255 +56.78 ± 13.91 0 21 128 100 1 +115.23 ± 29.89 ↓

Commit

Commit ID 52e84e4b4675aae52a619c309479684dc5478bf5
Author Joost VandeVondele
Date 2023-06-22 08:17:44 UTC
Update winrate model with June data Retained 748191776 scored positions for analysis const int NormalizeToPawnValue = 328; Corresponding spread = 60; Corresponding normalized spread = 0.18337766691628035; Draw rate at 0.0 eval at move 32 = 0.9914715947898592; closes https://github.com/official-stockfish/Stockfish/pull/4636 No functional change
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