Dev Builds » 20240521-0644

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 06:53:28 584468 4014 1436 662 1916 +67.84 ± 5.07 4 155 920 919 9 +140.28 ± 11.2
ncm-dbt-02 06:52:59 587947 4006 1441 634 1931 +70.96 ± 4.88 2 125 948 920 8 +147.15 ± 10.97
ncm-dbt-03 06:52:58 587794 4000 1424 668 1908 +66.46 ± 5.16 2 173 905 907 13 +135.96 ± 11.31
ncm-dbt-04 06:53:01 571713 4000 1451 652 1897 +70.35 ± 5.01 3 141 920 926 10 +145.54 ± 11.18
ncm-dbt-05 06:53:54 583529 3980 1430 685 1865 +65.81 ± 5.13 3 166 915 895 11 +135.09 ± 11.24
20000 7182 3301 9517 +68.29 ± 2.26 14 760 4608 4567 51 +140.79 ± 5.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
377179 ncm-dbt-02 588600 6 3 1 2 +120.22 ± 109.7 0 0 1 2 0 +279.24 ± 576.89 ↓
377178 ncm-dbt-01 580862 14 4 2 8 +49.93 ± 60.15 0 0 5 2 0 +102.04 ± 134.61 ↓
377177 ncm-dbt-05 587792 480 168 81 231 +63.68 ± 14.79 1 19 113 106 1 +131.94 ± 32.04 ↓
377176 ncm-dbt-03 585590 500 182 95 223 +61.07 ± 13.96 0 19 127 102 2 +123.02 ± 29.98 ↓
377175 ncm-dbt-04 571592 500 177 71 252 +74.79 ± 14.34 0 19 107 123 1 +155.54 ± 33.04 ↓
377174 ncm-dbt-02 587325 500 179 75 246 +73.34 ± 14.58 0 22 102 126 0 +153.86 ± 33.87 ↓
377173 ncm-dbt-01 587452 500 185 80 235 +74.06 ± 15.01 0 23 101 124 2 +152.18 ± 34.03 ↓
377172 ncm-dbt-05 580116 500 174 78 248 +67.55 ± 14.51 1 17 120 109 3 +137.37 ± 30.98 ↓
377171 ncm-dbt-03 587622 500 171 72 257 +69.71 ± 14.73 2 17 112 118 1 +147.19 ± 32.24 ↓
377170 ncm-dbt-02 586646 500 188 95 217 +65.38 ± 13.57 0 17 123 110 0 +135.76 ± 30.5 ↓
377169 ncm-dbt-04 571632 500 187 82 231 +74.06 ± 13.59 0 14 118 117 1 +153.86 ± 31.15 ↓
377168 ncm-dbt-01 584159 500 176 89 235 +61.08 ± 13.53 1 15 130 104 0 +127.76 ± 29.43 ↓
377167 ncm-dbt-05 580987 500 190 89 221 +71.16 ± 15.18 0 26 98 125 1 +147.19 ± 34.48 ↓
377166 ncm-dbt-03 587707 500 178 102 220 +53.22 ± 15.34 0 31 115 101 3 +104.49 ± 31.86 ↓
377165 ncm-dbt-02 586393 500 178 86 236 +64.67 ± 13.24 1 12 131 106 0 +135.76 ± 29.14 ↓
377164 ncm-dbt-04 571351 500 180 91 229 +62.51 ± 13.74 0 17 129 102 2 +126.18 ± 29.62 ↓
377163 ncm-dbt-01 582569 500 162 78 260 +58.93 ± 14.29 1 19 127 101 2 +119.89 ± 30.01 ↓
377162 ncm-dbt-05 584285 500 179 88 233 +63.94 ± 14.5 0 23 114 112 1 +130.94 ± 31.98 ↓
377161 ncm-dbt-03 589539 500 174 92 234 +57.5 ± 13.8 0 20 129 100 1 +116.78 ± 29.72 ↓
377160 ncm-dbt-02 585759 500 174 79 247 +66.82 ± 14.48 0 22 112 115 1 +137.37 ± 32.27 ↓
377159 ncm-dbt-04 570949 500 184 81 235 +72.61 ± 14.13 2 13 115 120 0 +155.54 ± 31.67 ↓
377158 ncm-dbt-01 586393 500 183 87 230 +67.55 ± 14.23 0 21 112 117 0 +140.62 ± 32.26 ↓
377157 ncm-dbt-05 588089 500 179 77 244 +71.89 ± 14.8 1 20 106 122 1 +150.51 ± 33.22 ↓
377156 ncm-dbt-02 591082 500 176 75 249 +71.16 ± 14.08 0 17 117 114 2 +145.54 ± 31.41 ↓
377155 ncm-dbt-03 588558 500 180 70 250 +77.71 ± 13.25 0 12 116 122 0 +164.07 ± 31.39 ↓
377154 ncm-dbt-04 572114 500 182 83 235 +69.71 ± 14.59 0 22 108 119 1 +143.89 ± 32.9 ↓
377153 ncm-dbt-01 583824 500 182 72 246 +77.71 ± 13.86 0 16 108 126 0 +164.07 ± 32.83 ↓
377152 ncm-dbt-03 587664 500 180 76 244 +73.33 ± 14.99 0 22 105 120 3 +148.85 ± 33.38 ↓
377151 ncm-dbt-04 571592 500 187 86 227 +71.16 ± 14.22 0 19 112 118 1 +147.19 ± 32.24 ↓
377150 ncm-dbt-01 584243 500 189 87 224 +71.88 ± 14.8 0 22 106 120 2 +147.19 ± 33.22 ↓
377149 ncm-dbt-05 581361 500 173 97 230 +53.22 ± 14.29 0 26 122 102 0 +109.07 ± 30.84 ↓
377148 ncm-dbt-02 588472 500 171 78 251 +65.38 ± 13.12 0 12 135 101 2 +132.54 ± 28.5 ↓
377147 ncm-dbt-02 587155 500 196 79 225 +82.83 ± 13.54 0 11 113 124 2 +172.78 ± 31.83 ↓
377146 ncm-dbt-03 586731 500 180 74 246 +74.79 ± 14.06 0 18 108 124 0 +157.24 ± 32.87 ↓
377145 ncm-dbt-05 581319 500 190 92 218 +68.99 ± 14.14 0 17 121 109 3 +138.99 ± 30.8 ↓
377144 ncm-dbt-04 573487 500 181 84 235 +68.27 ± 15.47 1 24 105 117 3 +138.99 ± 33.37 ↓
377143 ncm-dbt-01 585421 500 174 82 244 +64.66 ± 14.26 0 20 120 108 2 +130.94 ± 31.03 ↓
377142 ncm-dbt-03 588941 500 179 87 234 +64.66 ± 16.22 0 34 93 120 3 +129.35 ± 35.08 ↓
377141 ncm-dbt-02 590096 500 176 66 258 +77.71 ± 13.85 1 12 114 122 1 +164.07 ± 31.75 ↓
377140 ncm-dbt-01 585295 500 181 85 234 +67.55 ± 14.92 2 19 111 117 1 +142.26 ± 32.42 ↓
377139 ncm-dbt-04 570989 500 173 74 253 +69.71 ± 13.29 0 13 126 110 1 +143.89 ± 29.88 ↓
377138 ncm-dbt-05 584285 500 177 83 240 +66.1 ± 13.89 0 18 121 110 1 +135.76 ± 30.83 ↓

Commit

Commit ID 87bad0c38a2b6a654850e61127dc0667a49acf82
Author FauziAkram
Date 2024-05-21 06:44:59 UTC
Refine Evaluation Scaling with Piece-Specific Weights Refine Evaluation Scaling with Piece-Specific Weights, instead of the simplified npm method. I took the initial idea from Viren6 , as he worked on it in September of last year. I worked on it, and tuned it, and now it passed both tests. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 95712 W: 24731 L: 24325 D: 46656 Ptnml(0-2): 363, 11152, 24357, 11684, 300 https://tests.stockfishchess.org/tests/view/664b5493830eb9f886614af3 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 204480 W: 52167 L: 51501 D: 100812 Ptnml(0-2): 114, 22579, 56166, 23289, 92 https://tests.stockfishchess.org/tests/view/664b75dd830eb9f886614b44 closes https://github.com/official-stockfish/Stockfish/pull/5277 Bench: 1384337
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