Dev Builds » 20200613-0448

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 06:30:06 584334 4000 68 2565 1367 -254.3 ± 6.59 586 1328 83 3 0 -657.16 ± 37.88
ncm-dbt-02 06:29:24 585647 4000 65 2572 1363 -255.73 ± 6.64 597 1314 88 1 0 -655.17 ± 36.8
ncm-dbt-03 06:29:26 585327 4000 56 2547 1397 -253.45 ± 6.42 571 1350 78 1 0 -676.08 ± 39.16
ncm-dbt-04 06:29:26 569132 4000 65 2548 1387 -252.32 ± 6.49 574 1335 91 0 0 -653.21 ± 36.16
ncm-dbt-05 06:30:42 583403 4000 67 2560 1373 -253.73 ± 6.44 574 1346 79 1 0 -673.88 ± 38.91
20000 321 12792 6887 -253.9 ± 2.91 2902 6673 419 6 0 -662.84 ± 16.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
463214 ncm-dbt-05 584832 500 9 330 161 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
463213 ncm-dbt-01 582027 500 13 322 165 -250.76 ± 19.89 77 155 18 0 0 -571.09 ± 86.01
463212 ncm-dbt-03 587707 500 12 316 172 -245.2 ± 19.41 72 161 16 1 0 -571.11 ± 91.87
463211 ncm-dbt-04 568434 500 5 326 169 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
463210 ncm-dbt-02 589197 500 2 326 172 -268.16 ± 17.93 77 170 3 0 0 -887.58 ± 222.18
463209 ncm-dbt-03 584117 500 6 326 168 -263.41 ± 18.84 78 164 8 0 0 -715.51 ± 146.53
463208 ncm-dbt-01 584453 500 7 312 181 -246.3 ± 17.23 65 175 10 0 0 -676.04 ± 124.55
463207 ncm-dbt-05 583866 500 5 319 176 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
463206 ncm-dbt-04 566928 500 8 325 167 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
463205 ncm-dbt-02 585337 500 9 317 174 -249.64 ± 18.99 73 162 15 0 0 -603.84 ± 95.91
463204 ncm-dbt-03 584201 500 3 322 175 -262.24 ± 17.82 74 171 5 0 0 -798.18 ± 231.48
463203 ncm-dbt-01 585421 500 5 326 169 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
463202 ncm-dbt-05 582360 500 5 314 181 -250.76 ± 16.97 66 177 7 0 0 -739.05 ± 163.27
463201 ncm-dbt-04 570148 500 10 316 174 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
463200 ncm-dbt-02 585000 500 7 325 168 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
463199 ncm-dbt-01 584285 500 7 328 165 -264.59 ± 18.7 78 165 7 0 0 -739.05 ± 163.27
463198 ncm-dbt-03 587664 500 5 314 181 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
463197 ncm-dbt-05 581319 500 11 307 182 -236.51 ± 17.0 59 179 11 1 0 -629.43 ± 115.29
463196 ncm-dbt-04 569111 500 9 314 177 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
463195 ncm-dbt-02 585126 500 7 323 170 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
463194 ncm-dbt-01 584411 500 8 318 174 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
463193 ncm-dbt-05 582736 500 9 320 171 -253.02 ± 18.37 72 167 11 0 0 -659.13 ± 116.77
463192 ncm-dbt-03 582152 500 7 313 180 -247.41 ± 17.1 65 176 9 0 0 -694.7 ± 134.18
463191 ncm-dbt-04 570108 500 11 315 174 -245.19 ± 18.67 70 164 16 0 0 -592.27 ± 92.24
463190 ncm-dbt-02 583656 500 13 313 174 -240.82 ± 18.59 68 164 18 0 0 -571.09 ± 86.01
463189 ncm-dbt-01 585253 500 11 327 162 -258.75 ± 20.66 81 156 11 2 0 -603.86 ± 111.89
463188 ncm-dbt-04 570348 500 7 318 175 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
463187 ncm-dbt-03 586054 500 6 329 165 -266.96 ± 18.69 79 165 6 0 0 -766.17 ± 188.02
463186 ncm-dbt-05 585885 500 7 323 170 -258.74 ± 18.26 74 168 8 0 0 -715.51 ± 146.53
463185 ncm-dbt-02 586731 500 12 328 160 -258.75 ± 20.41 81 155 13 1 0 -603.86 ± 103.96
463184 ncm-dbt-01 584285 500 7 317 176 -251.89 ± 18.23 71 168 11 0 0 -659.13 ± 116.77
463183 ncm-dbt-04 568395 500 5 326 169 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
463182 ncm-dbt-05 582193 500 12 331 157 -262.24 ± 20.07 82 155 13 0 0 -629.41 ± 104.8
463181 ncm-dbt-03 586943 500 6 312 182 -247.41 ± 17.38 66 174 10 0 0 -676.04 ± 124.55
463180 ncm-dbt-02 584034 500 8 317 175 -250.76 ± 18.08 70 169 11 0 0 -659.13 ± 116.77
463179 ncm-dbt-01 584537 500 10 315 175 -246.3 ± 18.3 68 170 11 1 0 -629.43 ± 115.29
463178 ncm-dbt-02 586097 500 7 323 170 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
463177 ncm-dbt-03 583782 500 11 315 174 -245.19 ± 18.16 68 168 14 0 0 -616.18 ± 100.06
463176 ncm-dbt-04 569589 500 10 308 182 -238.65 ± 17.29 62 174 14 0 0 -616.18 ± 100.06
463175 ncm-dbt-05 584034 500 9 316 175 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29

Commit

Commit ID c44c62efc24fbe6355a9c19e287b2c78e6fd6c1d
Author Vizvezdenec
Date 2020-06-13 04:48:58 UTC
Adjust history threshold for quiet moves futility pruning This patch adjusts the threshold for futility pruning of quiet moves using the continuation history array contHist[5], in the same way as it is used in movepicker. passed STC: https://tests.stockfishchess.org/tests/view/5ee3f88bca6c451633a9959f LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 55984 W: 10822 L: 10552 D: 34610 Ptnml(0-2): 952, 6435, 12941, 6719, 945 passed LTC: https://tests.stockfishchess.org/tests/view/5ee4186dca6c451633a995cf LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 41712 W: 5402 L: 5114 D: 31196 Ptnml(0-2): 293, 3766, 12469, 4016, 312 closes https://github.com/official-stockfish/Stockfish/pull/2734 Bench: 4715960
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