Dev Builds » 20200326-1646

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 06:27:23 584306 4000 55 2597 1348 -260.78 ± 6.77 623 1298 77 2 0 -673.88 ± 39.41
ncm-dbt-02 06:27:52 585692 4000 66 2587 1347 -257.74 ± 6.82 618 1287 93 2 0 -641.85 ± 35.76
ncm-dbt-03 06:27:08 585608 4000 64 2600 1336 -259.91 ± 6.79 622 1294 82 2 0 -663.25 ± 38.15
ncm-dbt-04 06:26:29 568701 4004 65 2573 1366 -255.51 ± 6.82 612 1286 102 2 0 -626.21 ± 34.11
ncm-dbt-05 06:28:21 584293 3996 46 2615 1335 -265.12 ± 6.83 641 1289 66 2 0 -699.54 ± 42.67
20000 296 12972 6732 -259.79 ± 3.04 3116 6454 420 10 0 -659.17 ± 16.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
469205 ncm-dbt-04 569350 4 0 3 1 -336.56 ± 527.33 1 1 0 0 0 -1199.83 ± 312.71
469204 ncm-dbt-05 582444 496 5 336 155 -280.0 ± 20.65 90 151 7 0 0 -737.63 ± 163.25
469203 ncm-dbt-02 588174 500 5 313 182 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
469202 ncm-dbt-01 583782 500 6 330 164 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
469201 ncm-dbt-03 587113 500 8 323 169 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
469200 ncm-dbt-04 568037 500 6 319 175 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
469199 ncm-dbt-05 583782 500 8 327 165 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
469198 ncm-dbt-02 587749 500 11 335 154 -268.16 ± 20.54 86 152 12 0 0 -643.67 ± 110.29
469197 ncm-dbt-01 585253 500 5 326 169 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
469196 ncm-dbt-03 584453 500 8 323 169 -257.59 ± 19.75 78 160 11 1 0 -629.43 ± 115.29
469195 ncm-dbt-04 566809 500 11 332 157 -264.59 ± 20.09 83 155 12 0 0 -643.67 ± 110.29
469194 ncm-dbt-03 584832 500 7 323 170 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
469193 ncm-dbt-02 587749 500 8 315 177 -248.52 ± 18.59 71 165 14 0 0 -616.18 ± 100.06
469192 ncm-dbt-04 568514 500 10 317 173 -248.52 ± 19.6 75 157 18 0 0 -571.09 ± 86.01
469191 ncm-dbt-05 586477 500 4 333 163 -274.22 ± 20.15 87 155 8 0 0 -715.51 ± 146.53
469190 ncm-dbt-01 587282 500 13 310 177 -237.58 ± 17.66 62 174 13 1 0 -603.86 ± 103.96
469189 ncm-dbt-04 567839 500 12 321 167 -250.76 ± 20.13 77 156 16 1 0 -571.11 ± 91.87
469188 ncm-dbt-03 583405 500 11 322 167 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
469187 ncm-dbt-02 584117 500 7 326 167 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
469186 ncm-dbt-01 583028 500 3 340 157 -284.21 ± 20.13 91 155 4 0 0 -837.28 ± 240.94
469185 ncm-dbt-05 584495 500 4 330 166 -270.57 ± 19.42 83 160 7 0 0 -739.05 ± 163.27
469184 ncm-dbt-04 568593 500 8 331 161 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
469183 ncm-dbt-02 587282 500 10 315 175 -246.3 ± 18.81 71 163 16 0 0 -592.27 ± 92.24
469182 ncm-dbt-03 586520 500 9 323 168 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
469181 ncm-dbt-01 581985 500 9 329 162 -263.41 ± 19.95 81 159 9 1 0 -659.17 ± 131.36
469180 ncm-dbt-05 585717 500 7 329 164 -265.77 ± 19.41 81 160 9 0 0 -694.7 ± 134.18
469179 ncm-dbt-04 569509 500 7 313 180 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
469178 ncm-dbt-03 586181 500 8 324 168 -258.75 ± 19.36 77 163 9 1 0 -659.17 ± 131.36
469177 ncm-dbt-01 584832 500 5 319 176 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
469176 ncm-dbt-02 583363 500 9 311 180 -243.0 ± 18.38 67 169 13 1 0 -603.86 ± 103.96
469175 ncm-dbt-05 584832 500 6 314 180 -249.64 ± 18.73 70 170 8 2 0 -643.7 ± 134.88
469174 ncm-dbt-04 569949 500 5 323 172 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
469173 ncm-dbt-01 585970 500 7 327 166 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
469172 ncm-dbt-03 585590 500 7 329 164 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
469171 ncm-dbt-02 583489 500 8 342 150 -280.42 ± 22.04 95 145 9 1 0 -659.17 ± 131.36
469170 ncm-dbt-05 583866 500 5 324 171 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
469169 ncm-dbt-04 569709 500 6 314 180 -249.64 ± 19.74 75 159 15 1 0 -581.4 ± 95.42
469168 ncm-dbt-01 582318 500 7 316 177 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
469167 ncm-dbt-05 582736 500 7 322 171 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
469166 ncm-dbt-02 583614 500 8 330 162 -265.77 ± 19.41 81 160 9 0 0 -694.7 ± 134.18
469165 ncm-dbt-03 586774 500 6 333 161 -271.78 ± 19.57 84 159 7 0 0 -739.05 ± 163.27

Commit

Commit ID c8e8e48b144bcc50c5423b771eb668eafb13af99
Author xoto10
Date 2020-03-26 16:46:51 UTC
Remove passed_count from almostUnwinnable. This simplification allows the almostUnwinnable flag to match endgames where the pawns are all on the same flank but are not symmetrical. STC: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 23356 W: 4543 L: 4395 D: 14418 Ptnml(0-2): 346, 2651, 5582, 2707, 392 https://tests.stockfishchess.org/tests/view/5e7b8f57e42a5c3b3ca2eb09 LTC: LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 31778 W: 4097 L: 4023 D: 23658 Ptnml(0-2): 199, 2853, 9729, 2891, 217 https://tests.stockfishchess.org/tests/view/5e7ba5ade42a5c3b3ca2eb16 closes https://github.com/official-stockfish/Stockfish/pull/2596 Bench 4777139
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