Dev Builds » 20200604-1703

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 06:28:40 582843 4000 70 2588 1342 -257.31 ± 6.77 614 1290 96 0 0 -643.69 ± 35.18
ncm-dbt-02 06:29:35 585659 4000 69 2575 1356 -255.58 ± 6.67 599 1309 91 1 0 -649.34 ± 36.17
ncm-dbt-03 06:28:48 584962 4000 67 2554 1379 -252.88 ± 6.57 582 1324 93 1 0 -645.56 ± 35.77
ncm-dbt-04 06:30:14 567255 4006 74 2606 1326 -258.78 ± 6.95 635 1263 104 1 0 -626.3 ± 33.77
ncm-dbt-05 06:30:34 580341 3994 74 2573 1347 -255.12 ± 6.77 603 1296 95 3 0 -634.39 ± 35.36
20000 354 12896 6750 -255.93 ± 3.02 3033 6482 479 6 0 -639.66 ± 15.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
438513 ncm-dbt-04 566809 6 0 5 1 -415.05 ± 489.74 2 1 0 0 0 -1199.83 ± 276.48
438512 ncm-dbt-05 582819 494 6 319 169 -259.67 ± 18.8 75 163 9 0 0 -692.56 ± 134.16
438511 ncm-dbt-02 587792 500 9 328 163 -262.24 ± 20.07 82 155 13 0 0 -629.41 ± 104.8
438510 ncm-dbt-03 585169 500 11 333 156 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
438509 ncm-dbt-01 585674 500 12 322 166 -251.89 ± 19.53 76 158 16 0 0 -592.27 ± 92.24
438508 ncm-dbt-04 568832 500 12 315 173 -244.09 ± 19.27 72 159 19 0 0 -561.34 ± 83.33
438507 ncm-dbt-05 578712 500 8 327 165 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
438506 ncm-dbt-02 583740 500 7 320 173 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
438505 ncm-dbt-03 582068 500 12 310 178 -238.65 ± 17.29 62 174 14 0 0 -616.18 ± 100.06
438504 ncm-dbt-01 582110 500 6 336 158 -275.44 ± 20.87 90 150 10 0 0 -676.04 ± 124.55
438503 ncm-dbt-04 564919 500 13 328 159 -257.59 ± 20.76 82 152 15 1 0 -581.4 ± 95.42
438502 ncm-dbt-05 578424 500 11 330 159 -262.24 ± 20.59 83 154 12 1 0 -616.2 ± 109.19
438501 ncm-dbt-03 586858 500 10 321 169 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
438500 ncm-dbt-02 586646 500 8 314 178 -247.41 ± 17.1 65 176 9 0 0 -694.7 ± 134.18
438499 ncm-dbt-01 582193 500 7 313 180 -247.41 ± 17.38 66 174 10 0 0 -676.04 ± 124.55
438498 ncm-dbt-04 565390 500 9 327 164 -261.07 ± 19.92 81 156 13 0 0 -629.41 ± 104.8
438497 ncm-dbt-03 585084 500 8 323 169 -257.59 ± 19.48 77 162 10 1 0 -643.7 ± 122.54
438496 ncm-dbt-01 580696 500 9 315 176 -247.41 ± 18.44 70 166 14 0 0 -616.18 ± 100.06
438495 ncm-dbt-02 583740 500 12 317 171 -246.3 ± 19.06 71 164 14 1 0 -592.29 ± 99.42
438494 ncm-dbt-05 580447 500 13 327 160 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
438493 ncm-dbt-04 567601 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
438492 ncm-dbt-03 585801 500 6 303 191 -237.58 ± 17.15 61 175 14 0 0 -616.18 ± 100.06
438491 ncm-dbt-02 586520 500 9 326 165 -259.9 ± 20.04 81 155 14 0 0 -616.18 ± 100.06
438490 ncm-dbt-05 584369 500 7 315 178 -249.64 ± 18.73 71 167 11 1 0 -629.43 ± 115.29
438489 ncm-dbt-01 583824 500 10 319 171 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
438488 ncm-dbt-04 570709 500 9 323 168 -256.44 ± 19.07 76 162 12 0 0 -643.67 ± 110.29
438487 ncm-dbt-03 583405 500 6 320 174 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
438486 ncm-dbt-02 588813 500 6 324 170 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
438485 ncm-dbt-01 583908 500 8 325 167 -259.9 ± 19.78 80 157 13 0 0 -629.41 ± 104.8
438484 ncm-dbt-05 580862 500 12 319 169 -248.52 ± 18.85 72 163 15 0 0 -603.84 ± 95.91
438483 ncm-dbt-04 567561 500 10 314 176 -245.19 ± 18.67 70 164 16 0 0 -592.27 ± 92.24
438482 ncm-dbt-03 586774 500 7 328 165 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
438481 ncm-dbt-01 581777 500 15 327 158 -254.15 ± 19.82 78 156 16 0 0 -592.27 ± 92.24
438480 ncm-dbt-02 583447 500 8 322 170 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
438479 ncm-dbt-05 578259 500 10 318 172 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
438478 ncm-dbt-04 564487 500 8 335 157 -271.78 ± 20.43 87 153 10 0 0 -676.04 ± 124.55
438477 ncm-dbt-01 582569 500 3 331 166 -272.99 ± 18.82 82 164 4 0 0 -837.28 ± 240.94
438476 ncm-dbt-03 584537 500 7 316 177 -250.76 ± 18.08 70 169 11 0 0 -659.13 ± 116.77
438475 ncm-dbt-02 584579 500 10 324 166 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
438474 ncm-dbt-05 578836 500 7 318 175 -253.02 ± 18.9 73 166 10 1 0 -643.7 ± 122.54
438473 ncm-dbt-04 568991 500 5 337 158 -277.92 ± 20.6 90 152 8 0 0 -715.51 ± 146.53

Commit

Commit ID 16566a8fcf76b9b72b6e746f318f77045df90017
Author Moez Jellouli
Date 2020-06-04 17:03:54 UTC
Singular quiet LMR If ttMove is a capture and had a singular extension, it is probably the best move. No need to make a decrease of LMR on other moves. STC LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 41968 W: 8170 L: 7918 D: 25880 Ptnml(0-2): 733, 4770, 9726, 5022, 733 https://tests.stockfishchess.org/tests/view/5ed6b666f29b40b0fc95a884 LTC LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 71376 W: 9200 L: 8827 D: 53349 Ptnml(0-2): 486, 6544, 21342, 6743, 573 https://tests.stockfishchess.org/tests/view/5ed7578bf29b40b0fc95a8c9 closes https://github.com/official-stockfish/Stockfish/pull/2713 Bench: 4733799
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