Dev Builds » 20200128-1825

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 06:28:57 582530 3980 44 2607 1329 -265.76 ± 6.83 637 1293 57 2 1 -717.45 ± 45.95
ncm-dbt-02 06:29:31 585975 4014 58 2622 1334 -262.69 ± 6.73 631 1302 74 0 0 -690.5 ± 40.24
ncm-dbt-03 06:29:09 586741 4000 49 2602 1349 -262.39 ± 6.68 622 1310 67 1 0 -702.26 ± 42.37
ncm-dbt-04 06:28:45 567115 4006 54 2585 1367 -258.63 ± 6.59 604 1324 74 1 0 -685.43 ± 40.25
ncm-dbt-05 06:28:38 581666 4000 60 2586 1354 -258.46 ± 6.59 602 1323 74 1 0 -685.17 ± 40.25
20000 265 13002 6733 -261.57 ± 2.99 3096 6552 346 5 1 -695.72 ± 18.37

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
438643 ncm-dbt-04 566414 6 1 4 1 -190.46 ± 337.08 1 1 1 0 0 -279.24 ± 576.89
438642 ncm-dbt-02 585843 14 0 10 4 -310.89 ± 151.57 3 4 0 0 0 -1199.83 ± 201.74
438641 ncm-dbt-01 579992 480 5 315 160 -266.86 ± 20.06 79 152 9 0 0 -687.47 ± 134.12
438640 ncm-dbt-05 582318 500 9 322 169 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
438639 ncm-dbt-03 584453 500 4 319 177 -257.59 ± 17.54 71 173 6 0 0 -766.17 ± 188.02
438638 ncm-dbt-04 565115 500 4 325 171 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
438637 ncm-dbt-02 586308 500 5 336 159 -276.68 ± 20.74 90 151 9 0 0 -694.7 ± 134.18
438636 ncm-dbt-03 585464 500 5 338 157 -279.16 ± 20.75 91 151 8 0 0 -715.51 ± 146.53
438635 ncm-dbt-01 583908 500 4 329 167 -269.36 ± 18.69 80 165 5 0 0 -798.18 ± 231.48
438634 ncm-dbt-05 580033 500 8 329 163 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
438633 ncm-dbt-04 569270 500 8 309 183 -241.91 ± 16.66 61 179 10 0 0 -676.04 ± 124.55
438632 ncm-dbt-02 587792 500 9 336 155 -271.78 ± 20.43 87 153 10 0 0 -676.04 ± 124.55
438631 ncm-dbt-03 585717 500 8 307 185 -239.73 ± 16.09 58 183 9 0 0 -694.7 ± 134.18
438630 ncm-dbt-01 581070 500 7 318 175 -253.02 ± 19.17 74 164 11 1 0 -629.43 ± 115.29
438629 ncm-dbt-05 580779 500 5 324 171 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
438628 ncm-dbt-04 566533 500 6 322 172 -258.75 ± 19.09 76 165 8 1 0 -676.08 ± 142.43
438627 ncm-dbt-02 587197 500 8 325 167 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
438626 ncm-dbt-01 581028 500 3 326 171 -266.96 ± 18.69 79 165 6 0 0 -766.17 ± 188.02
438625 ncm-dbt-03 588387 500 8 328 164 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
438624 ncm-dbt-05 582152 500 11 321 168 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
438623 ncm-dbt-02 581652 500 7 321 172 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
438622 ncm-dbt-04 567244 500 9 322 169 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
438621 ncm-dbt-01 584076 500 7 337 156 -275.45 ± 20.87 89 153 7 1 0 -694.74 ± 156.93
438620 ncm-dbt-03 589753 500 4 329 167 -269.36 ± 18.98 81 163 6 0 0 -766.17 ± 188.02
438619 ncm-dbt-04 566454 500 9 338 153 -274.22 ± 21.0 90 149 11 0 0 -659.13 ± 116.77
438618 ncm-dbt-05 580779 500 7 325 168 -261.07 ± 20.19 81 157 11 1 0 -629.43 ± 115.29
438617 ncm-dbt-02 586731 500 10 326 164 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
438616 ncm-dbt-01 583405 500 5 326 169 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
438615 ncm-dbt-03 586097 500 7 333 160 -270.57 ± 21.1 88 151 10 1 0 -643.7 ± 122.54
438614 ncm-dbt-05 579620 500 5 322 173 -259.9 ± 18.12 74 169 7 0 0 -739.05 ± 163.27
438613 ncm-dbt-04 569230 500 7 317 176 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
438612 ncm-dbt-02 586774 500 7 321 172 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
438611 ncm-dbt-03 588302 500 5 330 165 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
438610 ncm-dbt-01 583614 500 4 334 162 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
438609 ncm-dbt-05 583866 500 8 329 163 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
438608 ncm-dbt-04 566099 500 5 321 174 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
438607 ncm-dbt-02 584832 500 5 318 177 -255.29 ± 17.54 70 173 7 0 0 -739.05 ± 163.27
438606 ncm-dbt-01 583154 500 9 322 169 -255.3 ± 19.19 73 169 7 0 1 -694.74 ± 156.93
438605 ncm-dbt-04 567680 500 5 327 168 -265.77 ± 18.84 79 164 7 0 0 -739.05 ± 163.27
438604 ncm-dbt-03 585759 500 8 318 174 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
438603 ncm-dbt-02 586646 500 7 329 164 -265.77 ± 18.84 79 164 7 0 0 -739.05 ± 163.27
438602 ncm-dbt-05 583782 500 7 314 179 -248.52 ± 17.25 66 175 9 0 0 -694.7 ± 134.18

Commit

Commit ID a910ba71eedde4f67805f05b29215cbeff4fe5f1
Author joergoster
Date 2020-01-28 18:25:39 UTC
Simplify hashfull calculation. We can simplify the calculation of the hashfull info by looping over exact 1,000 entries, and then divide the result by ClusterSize. Somewhat memory accesses, somewhat more accurate. Passed non-regression LTC https://tests.stockfishchess.org/tests/view/5e30079dab2d69d58394fd5d LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 30125 W: 3987 L: 3926 D: 22212 Ptnml(0-2): 177, 2504, 9558, 2642, 141 closes https://github.com/official-stockfish/Stockfish/pull/2523 No functional change.
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