Dev Builds » 20200307-0955

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 06:26:59 584620 3992 39 2573 1380 -260.36 ± 6.36 589 1356 51 0 0 -755.21 ± 48.88
ncm-dbt-02 06:27:44 586151 4014 48 2609 1357 -262.25 ± 6.6 618 1326 62 1 0 -716.17 ± 44.12
ncm-dbt-03 06:27:18 585108 4000 47 2593 1360 -261.36 ± 6.62 614 1319 66 1 0 -704.84 ± 42.71
ncm-dbt-04 06:26:14 568371 4000 52 2600 1348 -261.66 ± 6.66 618 1313 68 1 0 -699.72 ± 42.05
ncm-dbt-05 06:27:49 583577 3994 51 2605 1338 -263.1 ± 6.68 624 1306 67 0 0 -707.19 ± 42.37
20000 237 12980 6783 -261.74 ± 2.94 3063 6620 314 3 0 -715.55 ± 19.29

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
470239 ncm-dbt-02 586985 14 0 9 5 -264.81 ± 106.6 2 5 0 0 0 -1199.83 ± 201.74
470238 ncm-dbt-05 585000 494 5 329 160 -272.91 ± 19.25 82 160 5 0 0 -796.07 ± 231.42
470237 ncm-dbt-01 582110 492 5 312 175 -254.14 ± 18.15 70 167 9 0 0 -691.84 ± 134.16
470236 ncm-dbt-03 586012 500 8 316 176 -249.64 ± 18.99 72 165 12 1 0 -616.2 ± 109.19
470235 ncm-dbt-04 568315 500 10 326 164 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
470234 ncm-dbt-02 585632 500 5 335 160 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
470233 ncm-dbt-05 584916 500 8 321 171 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
470232 ncm-dbt-01 586266 500 8 339 153 -276.68 ± 20.74 90 151 9 0 0 -694.7 ± 134.18
470231 ncm-dbt-03 585717 500 4 327 169 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
470230 ncm-dbt-04 567997 500 2 326 172 -268.16 ± 19.42 81 163 5 1 0 -739.1 ± 208.89
470229 ncm-dbt-02 583531 500 6 315 179 -250.76 ± 17.81 68 174 7 1 0 -694.74 ± 156.93
470228 ncm-dbt-05 581527 500 9 326 165 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
470227 ncm-dbt-01 583950 500 4 311 185 -248.52 ± 16.39 63 181 6 0 0 -766.17 ± 188.02
470226 ncm-dbt-03 584201 500 7 328 165 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
470225 ncm-dbt-04 568196 500 8 327 165 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
470224 ncm-dbt-02 586012 500 4 327 169 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
470223 ncm-dbt-05 584117 500 6 321 173 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
470222 ncm-dbt-03 585843 500 9 314 177 -246.3 ± 17.23 65 175 10 0 0 -676.04 ± 124.55
470221 ncm-dbt-04 569350 500 8 323 169 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
470220 ncm-dbt-01 586139 500 3 318 179 -257.59 ± 16.64 68 179 3 0 0 -887.58 ± 222.18
470219 ncm-dbt-02 585464 500 9 329 162 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
470218 ncm-dbt-05 581735 500 5 323 172 -261.07 ± 18.26 75 168 7 0 0 -739.05 ± 163.27
470217 ncm-dbt-01 585464 500 8 324 168 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
470216 ncm-dbt-04 569709 500 7 318 175 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
470215 ncm-dbt-03 586943 500 2 318 180 -258.74 ± 17.68 72 172 6 0 0 -766.17 ± 188.02
470214 ncm-dbt-02 585548 500 8 339 153 -276.68 ± 20.45 89 153 8 0 0 -715.51 ± 146.53
470213 ncm-dbt-05 586223 500 7 319 174 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
470212 ncm-dbt-01 584495 500 5 314 181 -250.76 ± 17.25 67 175 8 0 0 -715.51 ± 146.53
470211 ncm-dbt-03 584034 500 7 336 157 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
470210 ncm-dbt-04 566296 500 7 333 160 -270.57 ± 20.0 85 156 9 0 0 -694.7 ± 134.18
470209 ncm-dbt-02 586816 500 5 320 175 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
470208 ncm-dbt-05 581236 500 4 326 170 -265.77 ± 18.25 77 168 5 0 0 -798.18 ± 231.48
470207 ncm-dbt-01 585801 500 3 330 167 -271.78 ± 18.67 81 165 4 0 0 -837.28 ± 240.94
470206 ncm-dbt-03 585295 500 6 325 169 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
470205 ncm-dbt-04 568951 500 6 330 164 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
470204 ncm-dbt-02 586774 500 5 325 170 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
470203 ncm-dbt-01 582736 500 3 325 172 -265.77 ± 17.65 75 172 3 0 0 -887.58 ± 222.18
470202 ncm-dbt-05 583866 500 7 340 153 -279.16 ± 20.75 91 151 8 0 0 -715.51 ± 146.53
470201 ncm-dbt-03 582819 500 4 329 167 -269.36 ± 18.69 80 165 5 0 0 -798.18 ± 231.48
470200 ncm-dbt-04 568156 500 4 317 179 -255.29 ± 17.83 71 171 8 0 0 -715.51 ± 146.53
470199 ncm-dbt-02 588600 500 6 310 184 -245.19 ± 17.09 64 176 10 0 0 -676.04 ± 124.55

Commit

Commit ID e7c1c8c1abd85a71fd8190e0c1af49214625904b
Author protonspring
Date 2020-03-07 09:55:15 UTC
Cleanup KBPsK endgame * Clarify distinction between strong side pawns and all pawns. * Simplify and speed-up determination of pawns on the same file. * Clarify comments. * more_than_one() is probably faster than pos.count. Passed STC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 40696 W: 7856 L: 7740 D: 25100 Ptnml(0-2): 584, 4519, 10054, 4579, 612 http://tests.stockfishchess.org/tests/view/5e6153b1e42a5c3b3ca2e1a9 closes https://github.com/official-stockfish/Stockfish/pull/2574 No functional change.
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