Dev Builds » 20200622-1047

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 06:28:49 584630 4010 61 2541 1408 -251.02 ± 6.43 566 1349 89 1 0 -653.65 ± 36.59
ncm-dbt-02 06:29:42 585866 3998 66 2556 1376 -253.48 ± 6.71 592 1310 93 4 0 -634.56 ± 35.71
ncm-dbt-03 06:29:32 584935 3996 77 2530 1389 -248.45 ± 6.54 563 1329 104 2 0 -622.52 ± 33.77
ncm-dbt-04 06:28:04 568027 4000 69 2565 1366 -254.16 ± 6.63 591 1315 93 1 0 -645.56 ± 35.77
ncm-dbt-05 06:29:25 583030 3996 62 2568 1366 -255.94 ± 6.53 589 1328 81 0 0 -673.69 ± 38.4
20000 335 12760 6905 -252.6 ± 2.94 2901 6631 460 8 0 -645.18 ± 15.92

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
463043 ncm-dbt-01 585211 10 0 7 3 -300.84 ± 179.63 2 3 0 0 0 -1199.83 ± 231.31
463042 ncm-dbt-03 585801 496 5 312 179 -251.3 ± 17.41 67 173 8 0 0 -714.09 ± 146.52
463041 ncm-dbt-05 585759 496 11 314 171 -246.79 ± 17.94 67 169 12 0 0 -642.24 ± 110.28
463040 ncm-dbt-04 567126 500 8 301 191 -233.32 ± 16.04 55 183 12 0 0 -643.67 ± 110.29
463039 ncm-dbt-02 587028 498 7 333 158 -272.16 ± 20.53 86 155 7 1 0 -694.03 ± 156.93
463038 ncm-dbt-01 584201 500 13 311 176 -238.65 ± 18.05 65 168 17 0 0 -581.38 ± 88.96
463037 ncm-dbt-03 586774 500 6 311 183 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
463036 ncm-dbt-05 583614 500 11 323 166 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91
463035 ncm-dbt-04 567324 500 6 326 168 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
463034 ncm-dbt-02 583740 500 10 308 182 -238.66 ± 18.3 64 172 12 2 0 -592.29 ± 106.46
463033 ncm-dbt-01 586858 500 5 309 186 -245.19 ± 16.53 62 180 8 0 0 -715.51 ± 146.53
463032 ncm-dbt-03 587113 500 14 312 174 -238.66 ± 18.79 67 165 17 1 0 -561.36 ± 88.68
463031 ncm-dbt-04 568991 500 9 330 161 -264.59 ± 21.15 86 150 13 1 0 -603.86 ± 103.96
463030 ncm-dbt-02 585590 500 11 310 179 -239.74 ± 18.93 68 164 17 1 0 -561.36 ± 88.68
463029 ncm-dbt-05 585421 500 9 323 168 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
463028 ncm-dbt-01 587197 500 3 330 167 -271.78 ± 19.28 83 161 6 0 0 -766.17 ± 188.02
463027 ncm-dbt-05 584622 500 5 330 165 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
463026 ncm-dbt-04 568593 500 7 323 170 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
463025 ncm-dbt-03 584706 500 6 311 183 -246.3 ± 17.23 65 175 10 0 0 -676.04 ± 124.55
463024 ncm-dbt-02 586520 500 3 329 168 -270.57 ± 19.13 82 162 6 0 0 -766.17 ± 188.02
463023 ncm-dbt-01 584243 500 7 323 170 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
463022 ncm-dbt-05 575069 500 7 313 180 -247.41 ± 17.65 67 172 11 0 0 -659.13 ± 116.77
463021 ncm-dbt-04 568196 500 10 318 172 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
463020 ncm-dbt-02 586097 500 11 314 175 -244.09 ± 17.75 66 171 13 0 0 -629.41 ± 104.8
463019 ncm-dbt-03 585126 500 15 322 163 -248.52 ± 19.1 73 161 16 0 0 -592.27 ± 92.24
463018 ncm-dbt-01 582861 500 5 317 178 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
463017 ncm-dbt-04 568434 500 6 320 174 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
463016 ncm-dbt-05 584579 500 7 324 169 -259.9 ± 18.97 77 163 10 0 0 -676.04 ± 124.55
463015 ncm-dbt-02 586816 500 9 328 163 -262.24 ± 20.07 82 155 13 0 0 -629.41 ± 104.8
463014 ncm-dbt-03 583572 500 10 322 168 -254.15 ± 19.31 76 160 14 0 0 -616.18 ± 100.06
463013 ncm-dbt-01 585253 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
463012 ncm-dbt-04 567839 500 9 317 174 -249.64 ± 17.67 68 172 10 0 0 -676.04 ± 124.55
463011 ncm-dbt-05 582485 500 5 318 177 -255.29 ± 17.54 70 173 7 0 0 -739.05 ± 163.27
463010 ncm-dbt-02 586477 500 8 310 182 -243.0 ± 18.13 67 168 15 0 0 -603.84 ± 95.91
463009 ncm-dbt-03 584034 500 10 321 169 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
463008 ncm-dbt-01 582569 500 7 303 190 -236.51 ± 16.74 58 181 10 1 0 -643.7 ± 122.54
463007 ncm-dbt-04 567720 500 14 330 156 -258.74 ± 20.66 83 150 17 0 0 -581.38 ± 88.96
463006 ncm-dbt-01 583279 500 14 319 167 -246.3 ± 19.31 73 159 18 0 0 -571.09 ± 86.01
463005 ncm-dbt-05 582694 500 7 323 170 -258.74 ± 17.98 73 170 7 0 0 -739.05 ± 163.27
463004 ncm-dbt-03 582360 500 11 319 170 -249.64 ± 18.73 71 167 11 1 0 -629.43 ± 115.29
463003 ncm-dbt-02 584664 500 7 324 169 -259.9 ± 18.97 77 163 10 0 0 -676.04 ± 124.55

Commit

Commit ID e9966d9a8ec371477f49bfa0eb69fa756e078fda
Author FauziAkram
Date 2020-06-22 10:47:14 UTC
Introduce bonus for queen infiltration Idea is that queen feels much better when it can't be kicked away now or later by pawn moves, especially in endgame. Special thanks to Linmiao Xu for the original idea of this patch. passed STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 84008 W: 16271 L: 15958 D: 51779 Ptnml(0-2): 1476, 9688, 19420, 9887, 1533 https://tests.stockfishchess.org/tests/view/5eee7ca0447c5b640047a439 passed LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 11720 W: 1522 L: 1328 D: 8870 Ptnml(0-2): 52, 1021, 3574, 1107, 106 https://tests.stockfishchess.org/tests/view/5eefc588122d6514328d75f9 closes https://github.com/official-stockfish/Stockfish/pull/2759 Bench: 4471740
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