Dev Builds » 20200820-1913

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 06:31:27 583016 4000 63 2632 1305 -264.74 ± 7.08 662 1247 89 2 0 -649.34 ± 36.58
ncm-dbt-02 06:32:26 586099 3986 68 2574 1344 -256.85 ± 6.88 614 1282 94 2 1 -635.8 ± 35.55
ncm-dbt-03 06:31:33 586974 4000 69 2559 1372 -253.31 ± 6.48 575 1342 81 2 0 -665.33 ± 38.39
ncm-dbt-04 06:32:22 568114 4014 67 2620 1327 -261.09 ± 6.97 645 1264 97 1 0 -638.84 ± 35.0
ncm-dbt-05 06:31:46 582421 4000 57 2629 1314 -265.19 ± 6.99 655 1265 77 3 0 -669.55 ± 39.37
20000 324 13014 6662 -260.2 ± 3.08 3151 6400 438 10 1 -651.27 ± 16.31

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
449101 ncm-dbt-04 567522 14 0 8 6 -225.47 ± 69.17 1 6 0 0 0 -1199.83 ± 201.74
449100 ncm-dbt-02 586477 486 9 312 165 -253.85 ± 19.92 72 161 9 0 1 -654.12 ± 131.33
449099 ncm-dbt-05 585885 500 9 334 157 -269.36 ± 21.74 90 146 13 1 0 -603.86 ± 103.96
449098 ncm-dbt-01 582819 500 4 325 171 -264.59 ± 19.27 79 164 6 1 0 -715.55 ± 177.2
449097 ncm-dbt-03 587070 500 13 321 166 -249.64 ± 19.99 76 157 16 1 0 -571.11 ± 91.87
449096 ncm-dbt-04 568196 500 7 324 169 -259.9 ± 18.12 74 169 7 0 0 -739.05 ± 163.27
449095 ncm-dbt-05 579785 500 8 332 160 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
449094 ncm-dbt-02 584790 500 10 315 175 -246.3 ± 18.56 70 165 15 0 0 -603.84 ± 95.91
449093 ncm-dbt-01 582694 500 18 327 155 -250.76 ± 21.32 83 143 24 0 0 -518.94 ± 72.91
449092 ncm-dbt-03 589625 500 7 318 175 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
449091 ncm-dbt-04 570829 500 11 320 169 -250.76 ± 19.14 74 161 15 0 0 -603.84 ± 95.91
449090 ncm-dbt-02 587367 500 6 327 167 -264.59 ± 19.82 81 160 8 1 0 -676.08 ± 142.43
449089 ncm-dbt-05 584958 500 7 320 173 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
449088 ncm-dbt-01 581277 500 3 331 166 -272.99 ± 20.29 87 154 9 0 0 -694.7 ± 134.18
449087 ncm-dbt-03 584411 500 8 318 174 -251.89 ± 17.95 69 173 7 1 0 -694.74 ± 156.93
449086 ncm-dbt-04 569629 500 7 328 165 -264.59 ± 20.63 85 151 14 0 0 -616.18 ± 100.06
449085 ncm-dbt-02 585042 500 5 328 167 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
449084 ncm-dbt-05 583489 500 5 325 170 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
449083 ncm-dbt-03 585506 500 7 330 163 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
449082 ncm-dbt-01 584411 500 4 319 177 -257.59 ± 17.25 70 175 5 0 0 -798.18 ± 231.48
449081 ncm-dbt-04 567640 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
449080 ncm-dbt-05 576251 500 3 336 161 -279.16 ± 19.85 88 157 5 0 0 -798.18 ± 231.48
449079 ncm-dbt-02 585253 500 14 324 162 -251.89 ± 20.03 78 154 18 0 0 -571.09 ± 86.01
449078 ncm-dbt-01 584201 500 7 323 170 -258.75 ± 19.89 79 159 11 1 0 -629.43 ± 115.29
449077 ncm-dbt-03 588302 500 5 322 173 -259.9 ± 17.53 72 173 5 0 0 -798.18 ± 231.48
449076 ncm-dbt-04 565981 500 7 322 171 -257.59 ± 18.68 75 165 10 0 0 -676.04 ± 124.55
449075 ncm-dbt-01 583070 500 10 325 165 -257.59 ± 20.01 80 155 15 0 0 -603.84 ± 95.91
449074 ncm-dbt-05 581527 500 12 327 161 -257.59 ± 20.01 79 158 12 1 0 -616.2 ± 109.19
449073 ncm-dbt-03 588430 500 13 318 169 -246.3 ± 18.81 71 163 16 0 0 -592.27 ± 92.24
449072 ncm-dbt-02 585632 500 8 324 168 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
449071 ncm-dbt-04 569949 500 7 327 166 -263.41 ± 20.74 84 153 12 1 0 -616.2 ± 109.19
449070 ncm-dbt-01 585211 500 6 354 140 -298.61 ± 22.74 105 138 7 0 0 -739.05 ± 163.27
449069 ncm-dbt-02 588600 500 9 331 160 -265.78 ± 21.29 87 149 13 1 0 -603.86 ± 103.96
449068 ncm-dbt-05 584243 500 8 320 172 -254.16 ± 19.05 74 165 10 1 0 -643.7 ± 122.54
449067 ncm-dbt-03 584916 500 6 321 173 -257.59 ± 17.83 72 171 7 0 0 -739.05 ± 163.27
449066 ncm-dbt-04 564409 500 7 330 163 -266.96 ± 20.66 86 151 13 0 0 -629.41 ± 104.8
449065 ncm-dbt-01 580447 500 11 328 161 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
449064 ncm-dbt-02 585632 500 7 313 180 -247.41 ± 17.92 68 170 12 0 0 -643.67 ± 110.29
449063 ncm-dbt-04 568872 500 13 334 153 -264.59 ± 21.15 87 147 16 0 0 -592.27 ± 92.24
449062 ncm-dbt-03 587537 500 10 311 179 -241.91 ± 17.46 64 173 13 0 0 -629.41 ± 104.8
449061 ncm-dbt-05 583237 500 5 335 160 -275.44 ± 20.87 90 150 10 0 0 -676.04 ± 124.55

Commit

Commit ID a1ad8604a11459a94189f857e368d0fbb72da25d
Author Joost VandeVondele
Date 2020-08-20 19:13:07 UTC
Send error message as an UCI info string some GUIs do not show the error message when the engine terminates in the no-net case, as it is send to cerr. Instead send it as an info string, which the GUI will more likely display. closes https://github.com/official-stockfish/Stockfish/pull/3031 No functional change.
Copyright 2011–2026 Next Chess Move LLC