Dev Builds » 20200917-0506

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 06:42:18 583308 4006 218 1954 1834 -161.21 ± 4.55 107 1536 346 14 0 -394.91 ± 18.35
ncm-dbt-02 06:42:34 586043 4012 188 1952 1872 -163.93 ± 4.42 102 1572 320 12 0 -411.15 ± 19.09
ncm-dbt-03 06:43:03 585813 3996 204 1929 1863 -160.5 ± 4.48 97 1545 342 14 0 -396.49 ± 18.46
ncm-dbt-04 06:43:07 568394 3986 186 1917 1883 -161.61 ± 4.4 89 1569 319 16 0 -406.08 ± 19.12
ncm-dbt-05 06:41:21 581234 4000 181 1916 1903 -161.39 ± 4.42 94 1560 333 13 0 -402.45 ± 18.71
20000 977 9668 9355 -161.73 ± 1.99 489 7782 1660 69 0 -402.13 ± 8.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459586 ncm-dbt-01 583237 6 0 3 3 -190.46 ± 337.08 1 1 1 0 0 -279.24 ± 576.89
459585 ncm-dbt-02 585801 12 0 6 6 -190.66 ± 9.26 0 6 0 0 0 -1199.83 ± 215.27
459584 ncm-dbt-03 586435 496 24 239 233 -161.26 ± 12.03 10 196 41 1 0 -409.05 ± 54.45
459583 ncm-dbt-04 566217 486 19 233 234 -164.21 ± 11.74 8 200 33 2 0 -433.62 ± 61.16
459582 ncm-dbt-05 579826 500 23 230 247 -153.02 ± 11.11 4 200 45 1 0 -393.6 ± 51.79
459581 ncm-dbt-02 583992 500 23 243 234 -164.07 ± 12.47 12 198 38 2 0 -415.05 ± 56.74
459580 ncm-dbt-01 583028 500 27 241 232 -158.93 ± 12.35 12 190 48 0 0 -389.55 ± 49.86
459579 ncm-dbt-04 567799 500 22 241 237 -163.21 ± 12.3 11 199 38 2 0 -415.05 ± 56.74
459578 ncm-dbt-03 585590 500 24 243 233 -163.21 ± 13.4 15 192 40 3 0 -397.72 ± 55.14
459577 ncm-dbt-05 580365 500 29 246 225 -161.49 ± 12.64 12 195 41 2 0 -401.92 ± 54.49
459576 ncm-dbt-02 588217 500 27 242 231 -159.78 ± 12.75 12 193 43 2 0 -393.6 ± 53.12
459575 ncm-dbt-01 582987 500 24 250 226 -169.27 ± 12.55 15 197 37 1 0 -429.05 ± 57.55
459574 ncm-dbt-04 569549 500 26 243 231 -161.49 ± 13.08 12 197 37 4 0 -401.92 ± 57.23
459573 ncm-dbt-02 585253 500 29 243 228 -158.93 ± 13.01 13 190 45 2 0 -385.59 ± 51.85
459572 ncm-dbt-05 579620 500 21 246 233 -168.4 ± 12.38 15 195 40 0 0 -424.27 ± 55.03
459571 ncm-dbt-03 587240 500 29 238 233 -154.7 ± 11.94 9 191 50 0 0 -381.69 ± 48.77
459570 ncm-dbt-01 583489 500 31 238 231 -153.02 ± 13.12 11 188 48 3 0 -366.78 ± 50.11
459569 ncm-dbt-04 568236 500 19 237 244 -162.35 ± 12.81 13 194 41 2 0 -401.92 ± 54.49
459568 ncm-dbt-02 585506 500 20 236 244 -160.64 ± 11.53 7 204 37 2 0 -419.61 ± 57.55
459567 ncm-dbt-05 579455 500 21 240 239 -163.21 ± 12.97 13 196 38 3 0 -406.2 ± 56.64
459566 ncm-dbt-03 585126 500 26 247 227 -164.93 ± 12.86 14 195 39 2 0 -410.58 ± 55.96
459565 ncm-dbt-01 583656 500 30 236 234 -152.18 ± 12.31 9 189 51 1 0 -370.41 ± 48.42
459564 ncm-dbt-02 586393 500 27 242 231 -159.78 ± 12.52 11 195 42 2 0 -397.72 ± 53.79
459563 ncm-dbt-05 585464 500 20 233 247 -158.08 ± 12.18 9 197 42 2 0 -397.72 ± 53.79
459562 ncm-dbt-04 572195 500 29 244 227 -159.78 ± 12.96 14 188 47 1 0 -385.59 ± 50.59
459561 ncm-dbt-03 587197 500 19 242 239 -166.66 ± 12.28 12 201 35 2 0 -429.05 ± 59.28
459560 ncm-dbt-01 583196 500 22 249 229 -170.15 ± 12.72 14 202 31 3 0 -438.95 ± 62.99
459559 ncm-dbt-02 584622 500 24 243 233 -163.2 ± 12.3 13 193 44 0 0 -406.2 ± 52.26
459558 ncm-dbt-04 567640 500 26 241 233 -159.78 ± 11.6 9 197 44 0 0 -406.2 ± 52.26
459557 ncm-dbt-05 581070 500 23 233 244 -155.54 ± 13.2 13 186 49 2 0 -370.41 ± 49.56
459556 ncm-dbt-03 585759 500 30 245 225 -159.78 ± 13.6 15 188 44 3 0 -381.7 ± 52.45
459555 ncm-dbt-01 581860 500 30 250 220 -164.07 ± 12.92 13 197 37 3 0 -410.58 ± 57.43
459554 ncm-dbt-02 586266 500 20 253 227 -175.43 ± 12.29 16 202 31 1 0 -460.32 ± 63.35
459553 ncm-dbt-04 568116 500 20 243 237 -166.66 ± 12.51 14 196 39 1 0 -419.61 ± 55.94
459552 ncm-dbt-01 584495 500 27 244 229 -161.49 ± 13.91 18 183 47 2 0 -377.87 ± 50.67
459551 ncm-dbt-05 579372 500 17 241 242 -167.53 ± 11.48 11 202 37 0 0 -438.94 ± 57.41
459550 ncm-dbt-03 585801 500 22 236 242 -158.93 ± 11.42 8 198 44 0 0 -406.2 ± 52.26
459549 ncm-dbt-05 584706 500 27 247 226 -164.07 ± 13.77 17 189 41 3 0 -393.6 ± 54.43
459548 ncm-dbt-02 588345 500 18 244 238 -169.27 ± 13.24 18 191 40 1 0 -415.05 ± 55.18
459547 ncm-dbt-01 583824 500 27 243 230 -160.64 ± 12.91 14 189 46 1 0 -389.56 ± 51.18
459546 ncm-dbt-03 583363 500 30 239 231 -154.7 ± 13.65 14 184 49 3 0 -363.2 ± 49.57
459545 ncm-dbt-04 567403 500 25 235 240 -155.54 ± 12.56 8 198 40 4 0 -389.56 ± 55.0

Commit

Commit ID 64a63464d7bc72a3aac33aa680cd2b2b240ff903
Author Unai Corzo
Date 2020-09-17 05:06:21 UTC
Simplify futility pruning for captures STC https://tests.stockfishchess.org/tests/view/5f61f0e4b91f2ec371e429c2 LLR: 2.94 (-2.94,2.94) {-1.25,0.25} Total: 75512 W: 8747 L: 8704 D: 58061 Ptnml(0-2): 440, 6589, 23683, 6576, 468 LTC https://tests.stockfishchess.org/tests/view/5f6215d3912c15f19854b801 LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 92912 W: 5030 L: 4992 D: 82890 Ptnml(0-2): 88, 4363, 37532, 4369, 104 closes https://github.com/official-stockfish/Stockfish/pull/3129 bench: 3856086
Copyright 2011–2026 Next Chess Move LLC