Dev Builds » 20251113-2136

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 06:46:00 582900 4002 1715 427 1860 +115.94 ± 4.59 0 30 686 1252 33 +255.98 ± 12.9
ncm-dbt-02 06:44:52 585911 4000 1692 435 1873 +113.0 ± 4.65 0 52 656 1275 17 +251.89 ± 13.28
ncm-dbt-03 06:46:32 585418 3998 1664 411 1923 +112.68 ± 4.66 1 46 673 1257 22 +249.82 ± 13.09
ncm-dbt-04 06:45:54 567980 4000 1649 410 1941 +111.27 ± 4.75 2 50 682 1239 27 +244.65 ± 13.01
ncm-dbt-05 06:46:47 581389 4000 1718 401 1881 +118.82 ± 4.65 1 38 635 1295 31 +265.48 ± 13.48
20000 8438 2084 9478 +114.34 ± 2.09 4 216 3332 6318 130 +253.48 ± 5.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441188 ncm-dbt-01 583070 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
441187 ncm-dbt-03 585548 498 217 59 222 +114.17 ± 14.41 1 8 77 158 5 +251.03 ± 39.15
441186 ncm-dbt-05 579909 500 218 51 231 +120.67 ± 13.15 0 5 77 164 4 +270.57 ± 39.07
441185 ncm-dbt-01 583405 500 213 54 233 +114.45 ± 12.85 0 3 89 154 4 +251.89 ± 35.92
441184 ncm-dbt-04 568236 500 206 45 249 +116.0 ± 12.84 0 3 87 156 4 +256.44 ± 36.38
441183 ncm-dbt-02 587579 500 209 49 242 +115.22 ± 12.67 0 4 84 160 2 +258.75 ± 37.2
441182 ncm-dbt-03 583824 500 200 57 243 +102.22 ± 13.04 0 8 91 151 0 +226.0 ± 35.82
441181 ncm-dbt-05 578300 500 220 58 222 +116.77 ± 13.19 0 5 82 159 4 +258.75 ± 37.76
441180 ncm-dbt-02 585759 500 208 57 235 +108.3 ± 13.23 0 7 87 154 2 +238.66 ± 36.67
441179 ncm-dbt-01 581860 500 216 49 235 +120.67 ± 12.78 0 4 78 165 3 +273.0 ± 38.74
441178 ncm-dbt-04 569190 500 204 48 248 +112.14 ± 12.14 0 1 94 153 2 +249.64 ± 34.56
441177 ncm-dbt-03 587197 500 201 44 255 +112.91 ± 11.94 0 2 89 159 0 +256.44 ± 35.8
441176 ncm-dbt-05 585169 500 208 50 242 +113.68 ± 13.38 0 7 81 159 3 +251.89 ± 38.11
441175 ncm-dbt-01 584369 500 215 50 235 +119.11 ± 13.17 0 3 85 156 6 +261.07 ± 36.86
441174 ncm-dbt-02 587197 500 215 63 222 +109.07 ± 14.05 0 11 79 157 3 +238.66 ± 38.63
441173 ncm-dbt-04 568713 500 198 56 246 +101.46 ± 13.53 0 9 92 147 2 +219.87 ± 35.65
441172 ncm-dbt-03 585885 500 211 44 245 +120.67 ± 12.97 0 6 73 169 2 +275.45 ± 40.24
441171 ncm-dbt-05 580779 500 220 37 243 +133.34 ± 12.69 0 2 69 173 6 +306.84 ± 41.23
441170 ncm-dbt-01 582611 500 211 49 240 +116.77 ± 12.47 0 4 81 164 1 +265.78 ± 37.95
441169 ncm-dbt-02 586646 500 210 57 233 +109.83 ± 13.73 0 9 82 156 3 +240.82 ± 37.9
441168 ncm-dbt-04 568275 500 208 59 233 +106.77 ± 13.72 0 12 77 161 0 +238.66 ± 39.1
441167 ncm-dbt-03 586774 500 206 52 242 +110.6 ± 13.22 0 5 90 151 4 +240.82 ± 35.87
441166 ncm-dbt-01 580696 500 213 61 226 +109.07 ± 13.23 0 4 95 146 5 +234.38 ± 34.71
441165 ncm-dbt-05 582987 500 212 59 229 +109.83 ± 13.4 0 7 86 154 3 +240.82 ± 36.9
441164 ncm-dbt-02 587028 500 211 44 245 +120.67 ± 12.22 0 2 81 165 2 +275.45 ± 37.75
441163 ncm-dbt-04 564762 500 201 50 249 +108.3 ± 13.89 0 9 85 152 4 +234.38 ± 37.19
441162 ncm-dbt-03 585042 500 228 49 223 +130.14 ± 14.06 0 8 62 173 7 +293.29 ± 43.72
441161 ncm-dbt-01 584369 500 218 59 223 +114.45 ± 13.21 0 5 85 156 4 +251.89 ± 37.03
441160 ncm-dbt-02 582903 500 210 54 236 +112.14 ± 13.22 0 7 82 159 2 +249.64 ± 37.86
441159 ncm-dbt-04 568037 500 207 47 246 +115.23 ± 13.88 1 3 88 151 7 +249.64 ± 36.24
441158 ncm-dbt-05 581319 500 219 58 223 +116.0 ± 12.84 0 4 84 159 3 +258.75 ± 37.2
441157 ncm-dbt-03 583614 500 201 54 245 +105.25 ± 13.22 0 6 94 147 3 +228.08 ± 35.08
441156 ncm-dbt-01 583237 500 216 53 231 +117.55 ± 13.7 0 4 87 151 8 +251.89 ± 36.48
441155 ncm-dbt-02 583447 500 219 49 232 +123.02 ± 12.56 0 5 71 173 1 +285.49 ± 40.81
441154 ncm-dbt-04 567601 500 211 54 235 +112.91 ± 14.22 1 8 78 159 4 +249.64 ± 38.9
441153 ncm-dbt-05 579166 500 216 50 234 +119.89 ± 13.51 1 5 74 167 3 +273.0 ± 39.95
441152 ncm-dbt-01 582485 500 212 52 236 +115.22 ± 12.48 0 3 86 159 2 +258.75 ± 36.62
441151 ncm-dbt-03 585464 500 200 52 248 +106.01 ± 12.35 0 3 97 149 1 +234.38 ± 34.19
441150 ncm-dbt-02 586731 500 210 62 228 +106.01 ± 13.22 0 7 90 151 2 +232.26 ± 35.99
441149 ncm-dbt-04 569031 500 214 51 235 +117.55 ± 13.18 0 5 81 160 4 +261.07 ± 38.02
441148 ncm-dbt-05 583489 500 205 38 257 +120.67 ± 12.97 0 3 82 160 5 +268.17 ± 37.61

Commit

Commit ID 3f2405bf4e4c87d67e3939f2469419bcccb8a707
Author Torsten Hellwig
Date 2025-11-13 21:36:30 UTC
Print NEON before POPCNT in compilation settings Normally, Stockfish outputs the compilation settings from advanced to less advanced, e.g.: `AVX512ICL VNNI AVX512 BMI2 AVX2 SSE41 SSSE3 SSE2 POPCNT` With NEON, however, POPCNT is printed first, followed by the more advanced NEON options: `POPCNT NEON_DOTPROD` This PR places POPCNT behind the NEON options as well. closes https://github.com/official-stockfish/Stockfish/pull/6402 no functional change
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