Dev Builds » 20200309-2116

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 06:26:27 582560 4000 71 2624 1305 -262.39 ± 6.97 646 1262 91 1 0 -649.34 ± 36.17
ncm-dbt-02 06:27:57 586238 3984 56 2624 1304 -266.12 ± 6.89 647 1276 67 2 0 -696.5 ± 42.34
ncm-dbt-03 06:28:33 586194 3990 45 2640 1305 -269.59 ± 6.86 659 1277 59 0 0 -729.45 ± 45.28
ncm-dbt-04 06:28:29 567750 4026 51 2680 1295 -271.18 ± 6.96 680 1270 62 1 0 -716.69 ± 44.12
ncm-dbt-05 06:27:23 582300 4000 52 2611 1337 -263.27 ± 6.8 633 1296 68 3 0 -689.89 ± 41.96
20000 275 13179 6546 -266.49 ± 3.08 3265 6381 347 7 0 -694.24 ± 18.34

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440629 ncm-dbt-04 568355 26 0 19 7 -323.03 ± 110.07 6 7 0 0 0 -1199.83 ± 147.58
440628 ncm-dbt-02 583950 484 9 321 154 -266.15 ± 20.73 81 151 9 1 0 -653.39 ± 131.33
440627 ncm-dbt-03 587155 490 6 325 159 -269.97 ± 19.29 80 159 6 0 0 -762.62 ± 187.96
440626 ncm-dbt-05 577192 500 8 317 175 -250.76 ± 18.88 72 166 11 1 0 -629.43 ± 115.29
440625 ncm-dbt-01 584243 500 7 326 167 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
440624 ncm-dbt-04 569350 500 6 339 155 -279.16 ± 20.75 91 151 8 0 0 -715.51 ± 146.53
440623 ncm-dbt-02 587622 500 7 326 167 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
440622 ncm-dbt-03 583782 500 4 333 163 -274.22 ± 19.57 85 159 6 0 0 -766.17 ± 188.02
440621 ncm-dbt-05 585674 500 11 334 155 -266.96 ± 20.39 85 153 12 0 0 -643.67 ± 110.29
440620 ncm-dbt-01 583489 500 4 325 171 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
440619 ncm-dbt-04 567324 500 10 332 158 -265.77 ± 19.69 82 158 10 0 0 -676.04 ± 124.55
440618 ncm-dbt-03 584832 500 6 328 166 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
440617 ncm-dbt-02 586858 500 0 342 158 -290.65 ± 19.57 92 158 0 0 0 -1199.83 ± 0.0
440616 ncm-dbt-05 582402 500 2 331 167 -274.22 ± 18.96 83 163 4 0 0 -837.28 ± 240.94
440615 ncm-dbt-01 584369 500 9 332 159 -266.96 ± 20.66 86 151 13 0 0 -629.41 ± 104.8
440614 ncm-dbt-04 564135 500 3 336 161 -279.17 ± 20.45 89 156 4 1 0 -766.23 ± 273.11
440613 ncm-dbt-02 585717 500 6 326 168 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
440612 ncm-dbt-03 586435 500 3 331 166 -272.99 ± 18.82 82 164 4 0 0 -837.28 ± 240.94
440611 ncm-dbt-05 578588 500 6 328 166 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
440610 ncm-dbt-01 579413 500 12 334 154 -265.77 ± 20.77 86 150 14 0 0 -616.18 ± 100.06
440609 ncm-dbt-04 567363 500 5 332 163 -271.78 ± 19.86 85 157 8 0 0 -715.51 ± 146.53
440608 ncm-dbt-02 588899 500 8 333 159 -269.36 ± 20.41 85 156 8 1 0 -676.08 ± 142.43
440607 ncm-dbt-03 586054 500 7 328 165 -264.59 ± 20.09 83 155 12 0 0 -643.67 ± 110.29
440606 ncm-dbt-05 584076 500 8 323 169 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
440605 ncm-dbt-04 567205 500 8 326 166 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
440604 ncm-dbt-01 583154 500 11 324 165 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
440603 ncm-dbt-03 587070 500 4 329 167 -269.36 ± 18.69 80 165 5 0 0 -798.18 ± 231.48
440602 ncm-dbt-02 584537 500 8 334 158 -270.57 ± 20.56 87 152 11 0 0 -659.13 ± 116.77
440601 ncm-dbt-05 582945 500 10 319 171 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
440600 ncm-dbt-04 567997 500 4 331 165 -271.78 ± 18.98 82 163 5 0 0 -798.18 ± 231.48
440599 ncm-dbt-01 585126 500 9 327 164 -261.07 ± 19.38 78 163 8 1 0 -676.08 ± 142.43
440598 ncm-dbt-02 587028 500 11 322 167 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
440597 ncm-dbt-03 586858 500 6 334 160 -272.99 ± 19.72 85 158 7 0 0 -739.05 ± 163.27
440596 ncm-dbt-05 582652 500 2 329 169 -271.78 ± 20.15 85 158 6 1 0 -715.55 ± 177.2
440595 ncm-dbt-01 581485 500 11 330 159 -262.24 ± 20.33 83 153 14 0 0 -616.18 ± 100.06
440594 ncm-dbt-04 568633 500 13 332 155 -262.24 ± 20.07 82 155 13 0 0 -629.41 ± 104.8
440593 ncm-dbt-02 585295 500 7 320 173 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
440592 ncm-dbt-01 579207 500 8 326 166 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
440591 ncm-dbt-03 587367 500 9 332 159 -266.96 ± 20.12 84 155 11 0 0 -659.13 ± 116.77
440590 ncm-dbt-05 584874 500 5 330 165 -269.36 ± 19.85 83 160 6 1 0 -715.55 ± 177.2
440589 ncm-dbt-04 569390 500 2 333 165 -276.68 ± 18.94 84 163 3 0 0 -887.58 ± 222.18

Commit

Commit ID 47be966d3028ca9b5c4d095f266663eb205c0c07
Author protonspring
Date 2020-03-09 21:16:26 UTC
Equations for edges and corners. This is a functional simplification that removes the large arrays in endgames.cpp. It also fixes a recently introduced bug (960d59d54143d84aab26deae65279a611fc989f4) in KNBvK, now using flip_file() instead of ~. One fen added to bench to increase endgame coverage. STC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 174724 W: 33325 L: 33404 D: 107995 Ptnml(0-2): 2503, 19607, 43181, 19608, 2463 http://tests.stockfishchess.org/tests/view/5e6448ffe42a5c3b3ca2e287 LTC LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 35640 W: 4679 L: 4621 D: 26340 Ptnml(0-2): 189, 2991, 11424, 3005, 211 http://tests.stockfishchess.org/tests/view/5e650b24e42a5c3b3ca2e2d8 closes https://github.com/official-stockfish/Stockfish/pull/2577 Bench: 5527957
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