Dev Builds » 20200810-0529

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 06:32:59 582622 4002 92 2591 1319 -254.41 ± 6.88 614 1272 114 1 0 -610.02 ± 32.22
ncm-dbt-02 06:32:07 586206 4000 55 2550 1395 -254.02 ± 6.52 578 1343 75 4 0 -669.55 ± 39.84
ncm-dbt-03 06:33:23 586660 3998 56 2596 1346 -260.67 ± 6.84 628 1286 83 2 0 -661.11 ± 37.92
ncm-dbt-04 06:31:27 568705 4000 71 2570 1359 -254.59 ± 6.76 600 1304 91 5 0 -634.65 ± 36.06
ncm-dbt-05 06:32:28 582755 4000 66 2566 1368 -254.73 ± 6.82 609 1283 107 1 0 -621.05 ± 33.28
20000 340 12873 6787 -255.67 ± 3.02 3029 6488 470 13 0 -637.86 ± 15.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
449490 ncm-dbt-01 582068 2 0 2 0 -1041.08 ± 395.59 1 0 0 0 0 -1129.65 ± 376.02
449489 ncm-dbt-03 585295 498 2 328 168 -272.15 ± 19.07 82 162 5 0 0 -797.48 ± 231.46
449488 ncm-dbt-05 585801 500 10 323 167 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
449487 ncm-dbt-04 570428 500 12 324 164 -254.16 ± 20.32 79 155 15 1 0 -581.4 ± 95.42
449486 ncm-dbt-02 587367 500 4 313 183 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
449485 ncm-dbt-01 578630 500 14 326 160 -254.15 ± 20.33 80 152 18 0 0 -571.09 ± 86.01
449484 ncm-dbt-03 589027 500 8 320 172 -254.16 ± 19.82 77 159 13 1 0 -603.86 ± 103.96
449483 ncm-dbt-05 584579 500 13 313 174 -240.82 ± 19.31 71 158 21 0 0 -543.23 ± 78.65
449482 ncm-dbt-04 568236 500 8 318 174 -251.89 ± 18.76 72 167 10 1 0 -643.7 ± 122.54
449481 ncm-dbt-02 587877 500 4 306 190 -243.0 ± 17.07 63 176 11 0 0 -659.13 ± 116.77
449480 ncm-dbt-01 582861 500 7 322 171 -257.59 ± 18.95 75 166 8 1 0 -676.08 ± 142.43
449479 ncm-dbt-03 586731 500 10 309 181 -239.73 ± 17.69 64 171 15 0 0 -603.84 ± 95.91
449478 ncm-dbt-05 582694 500 10 311 179 -241.91 ± 17.46 64 173 13 0 0 -629.41 ± 104.8
449477 ncm-dbt-04 568514 500 6 316 178 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
449476 ncm-dbt-02 584537 500 7 326 167 -262.24 ± 19.8 79 163 6 2 0 -676.08 ± 161.25
449475 ncm-dbt-01 584874 500 5 326 169 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
449474 ncm-dbt-03 585548 500 4 319 177 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
449473 ncm-dbt-05 581277 500 4 320 176 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
449472 ncm-dbt-02 586393 500 10 333 157 -266.96 ± 20.39 85 153 12 0 0 -643.67 ± 110.29
449471 ncm-dbt-01 584706 500 12 325 163 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
449470 ncm-dbt-04 567165 500 12 320 168 -249.64 ± 19.99 75 160 13 2 0 -581.4 ± 101.74
449469 ncm-dbt-03 585042 500 7 345 148 -285.48 ± 22.08 98 142 10 0 0 -676.04 ± 124.55
449468 ncm-dbt-05 583028 500 6 333 161 -271.78 ± 20.71 88 151 11 0 0 -659.13 ± 116.77
449467 ncm-dbt-01 583698 500 11 325 164 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
449466 ncm-dbt-02 585928 500 3 331 166 -272.99 ± 18.51 81 166 3 0 0 -887.58 ± 222.18
449465 ncm-dbt-04 570108 500 9 318 173 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
449464 ncm-dbt-03 588047 500 10 330 160 -263.41 ± 20.48 83 155 11 1 0 -629.43 ± 115.29
449463 ncm-dbt-01 579372 500 14 323 163 -250.76 ± 19.39 75 159 16 0 0 -592.27 ± 92.24
449462 ncm-dbt-02 588004 500 7 319 174 -254.16 ± 18.52 72 169 8 1 0 -676.08 ± 142.43
449461 ncm-dbt-05 581111 500 7 321 172 -256.44 ± 19.07 75 165 9 1 0 -659.17 ± 131.36
449460 ncm-dbt-04 566967 500 9 333 158 -268.16 ± 20.54 85 155 9 1 0 -659.17 ± 131.36
449459 ncm-dbt-03 587452 500 8 313 179 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
449458 ncm-dbt-01 583866 500 17 313 170 -236.51 ± 19.21 69 158 23 0 0 -526.7 ± 74.68
449457 ncm-dbt-02 583572 500 6 307 187 -241.91 ± 15.81 58 185 7 0 0 -739.05 ± 163.27
449456 ncm-dbt-05 582402 500 9 325 166 -258.74 ± 20.41 82 152 16 0 0 -592.27 ± 92.24
449455 ncm-dbt-04 568434 500 7 319 174 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
449454 ncm-dbt-03 586139 500 7 332 161 -269.36 ± 19.28 82 161 7 0 0 -739.05 ± 163.27
449453 ncm-dbt-01 583531 500 12 329 159 -259.9 ± 20.3 82 153 15 0 0 -603.84 ± 95.91
449452 ncm-dbt-04 569789 500 8 322 170 -256.44 ± 19.6 78 158 14 0 0 -616.18 ± 100.06
449451 ncm-dbt-05 581153 500 7 320 173 -255.29 ± 19.72 78 157 15 0 0 -603.84 ± 95.91
449450 ncm-dbt-02 585970 500 14 315 171 -241.91 ± 19.46 71 160 18 1 0 -552.08 ± 85.8

Commit

Commit ID bcdf41dadc8a5f8a23116236a0f449a08b46dc6b
Author Sergio Vieri
Date 2020-08-10 05:29:40 UTC
Update default net to nn-112bb1c8cdb5.nnue First trained net using search eval instead of pv leaf static eval. Net created at: 20200810-0744 passed STC: https://tests.stockfishchess.org/tests/view/5f30995d90816720665373f8 LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 15416 W: 2071 L: 1920 D: 11425 Ptnml(0-2): 123, 1376, 4563, 1519, 127 passed LTC: https://tests.stockfishchess.org/tests/view/5f30a104908167206653742b LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 29792 W: 2003 L: 1834 D: 25955 Ptnml(0-2): 50, 1541, 11550, 1700, 55 closes https://github.com/official-stockfish/Stockfish/pull/2966 Bench: 4084753
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