Dev Builds » 20200810-1717

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 06:32:22 582148 3980 67 2581 1332 -258.55 ± 6.86 619 1278 91 2 0 -644.67 ± 36.16
ncm-dbt-02 06:33:40 585844 4034 58 2625 1351 -261.27 ± 6.68 627 1313 77 0 0 -684.35 ± 39.42
ncm-dbt-03 06:33:25 586326 4004 66 2631 1307 -263.77 ± 6.89 645 1276 80 1 0 -671.88 ± 38.66
ncm-dbt-04 06:32:06 567296 4000 63 2592 1345 -258.89 ± 6.79 620 1290 89 1 0 -653.21 ± 36.59
ncm-dbt-05 06:32:41 582050 3982 70 2608 1304 -261.87 ± 6.98 638 1266 83 4 0 -652.41 ± 37.84
20000 324 13037 6639 -260.87 ± 3.06 3149 6423 420 8 0 -660.79 ± 16.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
444134 ncm-dbt-03 586139 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
444133 ncm-dbt-02 585464 34 0 21 13 -250.46 ± 57.89 4 13 0 0 0 -1199.83 ± 124.17
444132 ncm-dbt-05 579083 482 9 326 147 -274.02 ± 22.34 88 143 8 2 0 -637.17 ± 134.85
444131 ncm-dbt-01 581569 480 11 305 164 -247.69 ± 19.56 69 157 13 1 0 -596.54 ± 103.93
444130 ncm-dbt-04 566691 500 12 308 180 -236.51 ± 18.01 63 171 15 1 0 -581.4 ± 95.42
444129 ncm-dbt-03 585169 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
444128 ncm-dbt-02 586139 500 6 331 163 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
444127 ncm-dbt-05 584369 500 8 325 167 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
444126 ncm-dbt-01 582402 500 5 326 169 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
444125 ncm-dbt-04 570829 500 10 331 159 -264.59 ± 19.82 82 157 11 0 0 -659.13 ± 116.77
444124 ncm-dbt-02 585295 500 9 327 164 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
444123 ncm-dbt-03 587537 500 10 326 164 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
444122 ncm-dbt-05 584832 500 6 322 172 -258.75 ± 19.63 78 161 10 1 0 -643.7 ± 122.54
444121 ncm-dbt-01 581111 500 9 321 170 -254.15 ± 19.82 78 156 16 0 0 -592.27 ± 92.24
444120 ncm-dbt-04 565863 500 10 330 160 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
444119 ncm-dbt-02 584958 500 6 319 175 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
444118 ncm-dbt-03 587070 500 11 331 158 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
444117 ncm-dbt-05 582987 500 14 324 162 -251.89 ± 19.53 76 158 16 0 0 -592.27 ± 92.24
444116 ncm-dbt-01 582402 500 7 320 173 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
444115 ncm-dbt-04 564919 500 6 314 180 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
444114 ncm-dbt-03 586266 500 7 327 166 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
444113 ncm-dbt-02 587028 500 7 333 160 -270.57 ± 20.28 86 154 10 0 0 -676.04 ± 124.55
444112 ncm-dbt-05 581319 500 13 324 163 -253.02 ± 19.42 75 162 12 1 0 -616.2 ± 109.19
444111 ncm-dbt-01 582987 500 12 329 159 -259.9 ± 20.04 81 155 14 0 0 -616.18 ± 100.06
444110 ncm-dbt-04 565312 500 6 330 164 -268.16 ± 20.81 87 150 13 0 0 -629.41 ± 104.8
444109 ncm-dbt-03 587579 500 5 342 153 -284.21 ± 21.05 94 149 7 0 0 -739.05 ± 163.27
444108 ncm-dbt-02 584453 500 7 330 163 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
444107 ncm-dbt-05 578671 500 6 322 172 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
444106 ncm-dbt-01 583614 500 4 332 164 -272.99 ± 19.72 85 158 7 0 0 -739.05 ± 163.27
444105 ncm-dbt-04 570268 500 4 331 165 -271.78 ± 18.98 82 163 5 0 0 -798.18 ± 231.48
444104 ncm-dbt-03 588856 500 6 313 181 -248.52 ± 18.33 69 170 10 1 0 -643.7 ± 122.54
444103 ncm-dbt-02 585590 500 8 322 170 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
444102 ncm-dbt-01 580406 500 7 317 176 -251.89 ± 18.23 71 168 11 0 0 -659.13 ± 116.77
444101 ncm-dbt-05 584159 500 7 333 160 -270.57 ± 19.71 84 158 8 0 0 -715.51 ± 146.53
444100 ncm-dbt-04 568077 500 8 316 176 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
444099 ncm-dbt-03 585000 500 9 329 162 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
444098 ncm-dbt-02 586943 500 10 317 173 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
444097 ncm-dbt-01 582694 500 12 331 157 -262.24 ± 20.59 83 154 12 1 0 -616.2 ± 109.19
444096 ncm-dbt-05 580987 500 7 332 161 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
444095 ncm-dbt-03 583321 500 10 334 156 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
444094 ncm-dbt-02 586731 500 5 325 170 -263.41 ± 18.26 76 168 6 0 0 -766.17 ± 188.02
444093 ncm-dbt-04 566414 500 7 332 161 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53

Commit

Commit ID 220ef1d27d9cd006a30b07ab726999c8181d10f0
Author Unai Corzo
Date 2020-08-10 17:17:57 UTC
Assorted search parameter tune STC https://tests.stockfishchess.org/tests/view/5f31219090816720665374ec LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 3376 W: 487 L: 359 D: 2530 Ptnml(0-2): 17, 253, 1042, 337, 39 LTC https://tests.stockfishchess.org/tests/view/5f3127f79081672066537502 LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 8360 W: 581 L: 475 D: 7304 Ptnml(0-2): 11, 407, 3238, 513, 11 closes https://github.com/official-stockfish/Stockfish/pull/2971 bench: 4733874
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