Dev Builds » 20240728-2018

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 11:27:47 583856 6674 2469 948 3257 +80.6 ± 3.9 7 198 1421 1689 22 +168.97 ± 9.01
ncm-dbt-02 11:27:52 587072 6682 2524 963 3195 +82.69 ± 3.84 6 185 1406 1730 14 +174.92 ± 9.06
ncm-dbt-03 11:27:43 587459 6644 2441 1002 3201 +76.46 ± 3.93 3 232 1430 1637 20 +158.96 ± 8.99
20000 7434 2913 9653 +79.92 ± 2.25 16 615 4257 5056 56 +167.58 ± 5.21

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
370841 ncm-dbt-03 589753 144 53 21 70 +78.51 ± 25.31 0 3 35 33 1 +160.02 ± 57.26 ↓
370840 ncm-dbt-01 583447 174 61 22 91 +79.21 ± 24.61 0 6 37 43 1 +162.69 ± 56.68 ↓
370839 ncm-dbt-02 588430 182 71 25 86 +89.75 ± 22.91 0 4 38 48 1 +188.31 ± 55.74 ↓
370838 ncm-dbt-03 586689 500 194 73 233 +85.78 ± 13.77 0 13 104 132 1 +181.7 ± 33.45 ↓
370837 ncm-dbt-01 584285 500 173 71 256 +71.88 ± 14.25 0 17 117 113 3 +145.54 ± 31.41 ↓
370836 ncm-dbt-02 584076 500 177 66 257 +78.44 ± 15.15 1 20 98 129 2 +164.07 ± 34.56 ↓
370835 ncm-dbt-03 584958 500 181 69 250 +79.17 ± 14.05 0 17 104 129 0 +167.53 ± 33.52 ↓
370834 ncm-dbt-01 583112 500 191 76 233 +81.37 ± 15.37 1 20 95 131 3 +169.27 ± 35.09 ↓
370833 ncm-dbt-02 586181 500 180 73 247 +75.52 ± 14.23 0 19 105 126 0 +158.93 ± 33.37 ↓
370832 ncm-dbt-03 582152 500 171 81 248 +63.23 ± 14.75 0 24 114 110 2 +127.76 ± 31.99 ↓
370831 ncm-dbt-01 584916 500 196 81 223 +81.37 ± 14.82 3 13 100 134 0 +178.11 ± 34.22 ↓
370830 ncm-dbt-02 589112 500 182 83 235 +69.71 ± 13.88 0 18 115 117 0 +145.54 ± 31.75 ↓
370829 ncm-dbt-03 589326 500 193 76 231 +82.84 ± 13.85 1 12 106 131 0 +178.11 ± 33.1 ↓
370828 ncm-dbt-01 585084 500 199 85 216 +80.63 ± 14.66 1 15 106 125 3 +167.53 ± 33.17 ↓
370827 ncm-dbt-02 586139 500 186 61 253 +88.74 ± 12.38 0 5 115 130 0 +190.85 ± 31.07 ↓
370826 ncm-dbt-03 586774 500 184 81 235 +72.61 ± 14.27 0 19 110 120 1 +150.51 ± 32.56 ↓
370825 ncm-dbt-01 582485 500 184 74 242 +77.7 ± 14.29 0 18 105 126 1 +162.35 ± 33.37 ↓
370824 ncm-dbt-02 585000 500 198 80 222 +83.57 ± 15.02 1 18 95 134 2 +176.33 ± 35.12 ↓
370823 ncm-dbt-03 588984 500 178 57 265 +85.78 ± 14.51 0 16 100 131 3 +178.11 ± 34.22 ↓
370822 ncm-dbt-01 583656 500 184 68 248 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51 ↓
370821 ncm-dbt-02 588089 500 185 61 254 +88.0 ± 14.27 0 16 95 138 1 +187.16 ± 35.14 ↓
370820 ncm-dbt-03 589283 500 180 71 249 +76.98 ± 13.98 0 17 107 126 0 +162.35 ± 33.02 ↓
370819 ncm-dbt-01 584285 500 197 76 227 +85.78 ± 13.61 0 12 106 131 1 +181.7 ± 33.07 ↓
370818 ncm-dbt-02 587749 500 189 70 241 +84.31 ± 13.58 1 9 111 128 1 +179.9 ± 32.11 ↓
370817 ncm-dbt-01 583028 500 181 66 253 +81.37 ± 14.11 1 14 104 131 0 +174.55 ± 33.5 ↓
370816 ncm-dbt-03 586266 500 187 87 226 +70.43 ± 14.2 0 18 116 114 2 +143.89 ± 31.59 ↓
370815 ncm-dbt-02 589539 500 192 71 237 +85.78 ± 13.77 1 10 107 131 1 +183.51 ± 32.85 ↓
370814 ncm-dbt-03 589625 500 191 75 234 +82.1 ± 14.42 0 17 102 129 2 +171.02 ± 33.87 ↓
370813 ncm-dbt-01 583154 500 187 58 255 +91.71 ± 13.26 0 8 107 133 2 +194.57 ± 32.69 ↓
370812 ncm-dbt-02 586689 500 184 64 252 +85.04 ± 13.28 0 11 108 131 0 +181.7 ± 32.68 ↓
370811 ncm-dbt-03 587664 500 188 85 227 +72.61 ± 13.69 0 15 118 116 1 +150.51 ± 31.19 ↓
370810 ncm-dbt-01 581194 500 170 72 258 +68.99 ± 13.26 0 14 124 112 0 +143.89 ± 30.23 ↓
370809 ncm-dbt-02 583866 500 193 66 241 +90.22 ± 13.55 0 12 99 139 0 +194.57 ± 34.34 ↓
370808 ncm-dbt-03 585379 500 166 65 269 +71.16 ± 14.36 0 21 107 122 0 +148.85 ± 33.05 ↓
370807 ncm-dbt-01 584076 500 188 60 252 +90.96 ± 14.17 0 14 96 138 2 +192.71 ± 34.94 ↓
370806 ncm-dbt-02 586520 500 195 87 218 +76.25 ± 14.1 1 12 118 116 3 +157.24 ± 31.11 ↓
370805 ncm-dbt-03 588387 500 185 82 233 +72.61 ± 15.37 2 19 106 120 3 +150.51 ± 33.22 ↓
370804 ncm-dbt-01 584369 500 178 67 255 +78.43 ± 14.02 0 16 108 125 1 +164.07 ± 32.83 ↓
370803 ncm-dbt-02 587919 500 197 78 225 +84.31 ± 14.18 1 13 103 132 1 +179.9 ± 33.65 ↓
370802 ncm-dbt-03 589197 500 190 79 231 +78.43 ± 15.15 0 21 101 124 4 +158.93 ± 34.05 ↓
370801 ncm-dbt-01 586901 500 180 72 248 +76.25 ± 14.53 1 15 112 119 3 +157.24 ± 32.18 ↓
370800 ncm-dbt-02 589710 500 195 78 227 +82.83 ± 14.58 0 18 99 131 2 +172.78 ± 34.4 ↓

Commit

Commit ID 607c3e404fc706d09bd3b276ddd563d636823533
Author Michael Chaly
Date 2024-07-28 20:18:33 UTC
Remove unneeded depth tracking in qsearch Since simplification of quiet checks in qsearch this depth isn't used by any function at all apart movepicker, which also doesn't use passed qsearch depth in any way, so can be removed. No functional change. closes https://github.com/official-stockfish/Stockfish/pull/5514 No functional change
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