Dev Builds » 20200309-2146

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 06:26:07 585138 4000 67 2626 1307 -263.27 ± 6.89 642 1276 81 1 0 -669.55 ± 38.41
ncm-dbt-02 06:26:30 586904 4000 61 2630 1309 -264.74 ± 6.8 640 1290 69 1 0 -697.21 ± 41.73
ncm-dbt-03 06:26:19 584417 4000 41 2600 1359 -263.27 ± 6.6 619 1322 58 1 0 -726.94 ± 45.68
ncm-dbt-04 06:25:36 567911 4000 65 2627 1308 -263.71 ± 6.89 644 1275 80 1 0 -671.7 ± 38.66
ncm-dbt-05 06:26:00 583548 4000 54 2617 1329 -263.86 ± 6.75 633 1298 68 1 0 -699.72 ± 42.05
20000 288 13100 6612 -263.77 ± 3.04 3178 6461 356 5 0 -691.81 ± 18.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
470153 ncm-dbt-02 587579 500 6 327 167 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
470152 ncm-dbt-03 585211 500 7 333 160 -270.57 ± 20.28 86 154 10 0 0 -676.04 ± 124.55
470151 ncm-dbt-05 581569 500 5 322 173 -259.9 ± 18.12 74 169 7 0 0 -739.05 ± 163.27
470150 ncm-dbt-01 585506 500 6 334 160 -272.99 ± 19.72 85 158 7 0 0 -739.05 ± 163.27
470149 ncm-dbt-04 567442 500 6 330 164 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
470148 ncm-dbt-02 584874 500 6 327 167 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
470147 ncm-dbt-03 579537 500 4 334 162 -275.44 ± 19.41 85 160 5 0 0 -798.18 ± 231.48
470146 ncm-dbt-05 583279 500 4 332 164 -272.99 ± 19.12 83 162 5 0 0 -798.18 ± 231.48
470145 ncm-dbt-01 585169 500 9 339 152 -275.44 ± 20.87 90 150 10 0 0 -676.04 ± 124.55
470144 ncm-dbt-04 569629 500 14 328 158 -256.44 ± 19.86 79 156 15 0 0 -603.84 ± 95.91
470143 ncm-dbt-05 583196 500 10 325 165 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
470142 ncm-dbt-03 582903 500 4 328 168 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
470141 ncm-dbt-02 587282 500 8 331 161 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
470140 ncm-dbt-04 567205 500 9 329 162 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
470139 ncm-dbt-01 580116 500 4 320 176 -258.74 ± 17.68 72 172 6 0 0 -766.17 ± 188.02
470138 ncm-dbt-05 585717 500 4 324 172 -263.41 ± 17.97 75 170 5 0 0 -798.18 ± 231.48
470137 ncm-dbt-03 587877 500 3 322 175 -262.24 ± 18.69 76 168 5 1 0 -739.1 ± 208.89
470136 ncm-dbt-02 587664 500 5 315 180 -251.89 ± 17.11 67 176 7 0 0 -739.05 ± 163.27
470135 ncm-dbt-04 569989 500 6 320 174 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
470134 ncm-dbt-01 585885 500 7 330 163 -266.97 ± 19.84 82 160 7 1 0 -694.74 ± 156.93
470133 ncm-dbt-05 583028 500 7 330 163 -266.97 ± 20.12 83 158 8 1 0 -676.08 ± 142.43
470132 ncm-dbt-03 587962 500 3 311 186 -249.64 ± 16.24 63 182 5 0 0 -798.18 ± 231.48
470131 ncm-dbt-02 584159 500 9 318 173 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
470130 ncm-dbt-04 568633 500 6 327 167 -264.59 ± 19.82 81 160 8 1 0 -676.08 ± 142.43
470129 ncm-dbt-01 585464 500 8 322 170 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
470128 ncm-dbt-05 583950 500 6 320 174 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
470127 ncm-dbt-02 589240 500 10 334 156 -268.16 ± 20.54 86 152 12 0 0 -643.67 ± 110.29
470126 ncm-dbt-03 584832 500 6 325 169 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
470125 ncm-dbt-01 586985 500 15 328 157 -255.29 ± 20.96 83 147 20 0 0 -552.07 ± 80.89
470124 ncm-dbt-04 566217 500 6 317 177 -253.02 ± 17.82 70 171 9 0 0 -694.7 ± 134.18
470123 ncm-dbt-02 586816 500 11 341 148 -275.44 ± 21.43 92 146 12 0 0 -643.67 ± 110.29
470122 ncm-dbt-03 584369 500 6 327 167 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
470121 ncm-dbt-04 565863 500 11 341 148 -275.44 ± 21.7 93 144 13 0 0 -629.41 ± 104.8
470120 ncm-dbt-05 583489 500 9 324 167 -257.59 ± 18.68 75 165 10 0 0 -676.04 ± 124.55
470119 ncm-dbt-01 586689 500 6 320 174 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
470118 ncm-dbt-03 582652 500 8 320 172 -254.15 ± 17.97 71 170 9 0 0 -694.7 ± 134.18
470117 ncm-dbt-02 587622 500 6 337 157 -276.68 ± 20.74 89 154 6 1 0 -715.55 ± 177.2
470116 ncm-dbt-01 585295 500 12 333 155 -264.59 ± 20.09 83 155 12 0 0 -643.67 ± 110.29
470115 ncm-dbt-05 584159 500 9 340 151 -276.68 ± 21.02 91 149 10 0 0 -676.04 ± 124.55
470114 ncm-dbt-04 568315 500 7 335 158 -272.99 ± 20.01 86 156 8 0 0 -715.51 ± 146.53

Commit

Commit ID c077bfb413fbed8d6fa94459135ca81f9977c2f2
Author silversolver1
Date 2020-03-09 21:46:13 UTC
Remove set statScore to zero Simplification. Removes setting statScore to zero if negative. STC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 84820 W: 16100 L: 16033 D: 52687 Ptnml(0-2): 1442, 9865, 19723, 9944, 1436 https://tests.stockfishchess.org/tests/view/5e654fdae42a5c3b3ca2e2f8 LTC: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 57658 W: 7435 L: 7391 D: 42832 Ptnml(0-2): 441, 5397, 17104, 5451, 436 https://tests.stockfishchess.org/tests/view/5e657ce9e42a5c3b3ca2e307 closes https://github.com/official-stockfish/Stockfish/pull/2578 Bench: 5168890
Copyright 2011–2026 Next Chess Move LLC