Dev Builds » 20200629-1802

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 06:29:20 584471 4000 63 2546 1391 -252.32 ± 6.5 574 1336 89 1 0 -653.21 ± 36.59
ncm-dbt-02 06:29:50 585549 3986 63 2549 1374 -253.98 ± 6.55 581 1325 86 1 0 -658.54 ± 37.24
ncm-dbt-03 06:29:13 584098 3982 69 2498 1415 -246.3 ± 6.38 540 1350 100 1 0 -632.09 ± 34.46
ncm-dbt-04 06:29:47 567685 4032 66 2587 1379 -254.87 ± 6.59 596 1331 87 2 0 -654.63 ± 37.01
ncm-dbt-05 06:29:57 583664 4000 66 2544 1390 -251.61 ± 6.54 572 1338 86 4 0 -647.44 ± 37.16
20000 327 12724 6949 -251.81 ± 2.91 2863 6680 448 9 0 -648.96 ± 16.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
462742 ncm-dbt-04 568514 32 0 23 9 -314.28 ± 92.82 7 9 0 0 0 -1199.83 ± 129.46
462741 ncm-dbt-03 583447 482 11 290 181 -229.55 ± 16.76 53 173 15 0 0 -597.27 ± 95.87
462740 ncm-dbt-02 585169 486 9 315 162 -257.37 ± 19.28 74 158 11 0 0 -654.09 ± 116.73
462739 ncm-dbt-05 583950 500 9 325 166 -258.75 ± 19.63 78 161 10 1 0 -643.7 ± 122.54
462738 ncm-dbt-01 584664 500 9 318 173 -250.76 ± 18.35 71 167 12 0 0 -643.67 ± 110.29
462737 ncm-dbt-04 568116 500 10 323 167 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
462736 ncm-dbt-03 584622 500 3 322 175 -262.24 ± 18.7 77 165 8 0 0 -715.51 ± 146.53
462735 ncm-dbt-02 583824 500 8 313 179 -246.3 ± 18.56 70 165 15 0 0 -603.84 ± 95.91
462734 ncm-dbt-05 583196 500 8 312 180 -245.19 ± 17.36 65 174 11 0 0 -659.13 ± 116.77
462733 ncm-dbt-01 583489 500 8 331 161 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
462732 ncm-dbt-04 569350 500 7 314 179 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29
462731 ncm-dbt-03 585885 500 8 314 178 -247.41 ± 17.92 67 173 9 1 0 -659.17 ± 131.36
462730 ncm-dbt-02 586097 500 8 321 171 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
462729 ncm-dbt-05 581610 500 15 307 178 -232.26 ± 18.4 63 167 19 1 0 -543.25 ± 83.19
462728 ncm-dbt-01 582694 500 7 316 177 -250.76 ± 19.64 75 160 14 1 0 -592.29 ± 99.42
462727 ncm-dbt-04 568116 500 3 314 183 -253.02 ± 16.96 67 177 6 0 0 -766.17 ± 188.02
462726 ncm-dbt-03 583279 500 11 305 184 -234.38 ± 17.97 63 168 19 0 0 -561.34 ± 83.33
462725 ncm-dbt-02 586223 500 9 328 163 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
462724 ncm-dbt-05 584958 500 7 307 186 -240.82 ± 17.32 63 174 13 0 0 -629.41 ± 104.8
462723 ncm-dbt-01 583824 500 9 326 165 -259.9 ± 19.78 80 157 13 0 0 -629.41 ± 104.8
462722 ncm-dbt-04 567640 500 17 308 175 -231.21 ± 18.26 62 168 19 1 0 -543.25 ± 83.19
462721 ncm-dbt-03 584076 500 7 314 179 -248.52 ± 16.68 64 179 7 0 0 -739.05 ± 163.27
462720 ncm-dbt-02 585464 500 7 329 164 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
462719 ncm-dbt-05 582152 500 9 320 171 -253.02 ± 19.42 74 165 9 2 0 -629.43 ± 125.74
462718 ncm-dbt-01 583656 500 6 320 174 -256.44 ± 17.97 72 170 8 0 0 -715.51 ± 146.53
462717 ncm-dbt-04 569669 500 7 320 173 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
462716 ncm-dbt-03 585295 500 9 313 178 -245.19 ± 17.63 66 172 12 0 0 -643.67 ± 110.29
462715 ncm-dbt-02 585464 500 6 322 172 -258.74 ± 17.98 73 170 7 0 0 -739.05 ± 163.27
462714 ncm-dbt-05 584958 500 8 327 165 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
462713 ncm-dbt-04 565194 500 3 322 175 -262.24 ± 18.7 77 165 8 0 0 -715.51 ± 146.53
462712 ncm-dbt-01 585126 500 8 315 177 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
462711 ncm-dbt-03 582152 500 6 316 178 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
462710 ncm-dbt-02 586731 500 7 313 180 -247.41 ± 17.38 66 174 10 0 0 -676.04 ± 124.55
462709 ncm-dbt-04 564174 500 10 324 166 -256.44 ± 19.86 78 159 12 1 0 -616.2 ± 109.19
462708 ncm-dbt-05 585169 500 8 320 172 -254.15 ± 17.68 70 172 8 0 0 -715.51 ± 146.53
462707 ncm-dbt-01 586181 500 10 314 176 -245.19 ± 17.9 67 170 13 0 0 -629.41 ± 104.8
462706 ncm-dbt-03 584034 500 14 324 162 -251.89 ± 19.79 77 156 17 0 0 -581.38 ± 88.96
462705 ncm-dbt-02 585421 500 9 308 183 -239.74 ± 17.69 63 174 12 1 0 -616.2 ± 109.19
462704 ncm-dbt-04 568395 500 9 339 152 -275.44 ± 20.87 90 150 10 0 0 -676.04 ± 124.55
462703 ncm-dbt-05 583321 500 2 326 172 -268.16 ± 18.54 79 166 5 0 0 -798.18 ± 231.48
462702 ncm-dbt-01 586139 500 6 306 188 -240.82 ± 15.95 58 184 8 0 0 -715.51 ± 146.53

Commit

Commit ID 69d3be42a112645a9e599df615f730d61a5dca8c
Author Stefan Geschwentner
Date 2020-06-29 18:02:58 UTC
Tweak single queen endgame scaling. Increase scaling factor for each minor of the opponent side of the queen. STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 14528 W: 2860 L: 2653 D: 9015 Ptnml(0-2): 217, 1632, 3408, 1741, 266 https://tests.stockfishchess.org/tests/view/5ef98384020eec13834a96a0 LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 34584 W: 4371 L: 4111 D: 26102 Ptnml(0-2): 205, 3080, 10501, 3262, 244 https://tests.stockfishchess.org/tests/view/5ef99972020eec13834a96c9 closes https://github.com/official-stockfish/Stockfish/pull/2782 Bench: 4523573
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