Dev Builds » 20210613-0802

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 06:44:07 583162 3986 367 1754 1865 -126.16 ± 5.01 77 1277 595 44 0 -273.8 ± 13.96
ncm-dbt-02 06:45:10 585445 4006 399 1764 1843 -123.31 ± 5.15 83 1257 605 58 0 -263.44 ± 13.86
ncm-dbt-03 06:44:45 585811 4008 369 1780 1859 -127.78 ± 5.03 83 1288 591 41 1 -277.41 ± 14.0
ncm-dbt-04 06:43:38 566561 4000 370 1736 1894 -123.61 ± 5.12 80 1263 600 57 0 -265.19 ± 13.91
ncm-dbt-05 06:44:10 582102 4000 357 1783 1860 -129.55 ± 5.34 105 1281 549 65 0 -275.76 ± 14.55
20000 1862 8817 9321 -126.08 ± 2.29 428 6366 2940 265 1 -271.06 ± 6.28

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
454594 ncm-dbt-02 588387 6 0 2 4 -120.22 ± 109.7 0 2 1 0 0 -279.24 ± 576.89
454593 ncm-dbt-03 585337 8 3 4 1 -43.58 ± 76.58 0 1 3 0 0 -88.62 ± 172.94
454592 ncm-dbt-01 583321 486 47 213 226 -123.64 ± 15.28 10 156 67 10 0 -264.58 ± 41.97
454591 ncm-dbt-05 582360 500 40 218 242 -129.35 ± 13.9 9 165 71 5 0 -285.49 ± 40.81
454590 ncm-dbt-04 566217 500 42 215 243 -125.38 ± 14.13 11 155 80 4 0 -268.17 ± 38.21
454589 ncm-dbt-02 586858 500 52 221 227 -122.24 ± 13.66 8 157 81 4 0 -265.78 ± 37.95
454588 ncm-dbt-03 586520 500 37 227 236 -138.99 ± 13.85 12 169 66 3 0 -309.64 ± 42.33
454587 ncm-dbt-01 584369 500 59 224 217 -119.11 ± 14.19 10 150 85 5 0 -251.89 ± 37.03
454586 ncm-dbt-05 581111 500 55 223 222 -121.45 ± 15.45 14 149 78 9 0 -249.64 ± 38.9
454585 ncm-dbt-02 583070 500 51 219 230 -121.45 ± 14.5 7 164 69 10 0 -265.78 ± 41.36
454584 ncm-dbt-04 563939 500 50 216 234 -119.89 ± 14.02 7 159 77 7 0 -261.07 ± 39.14
454583 ncm-dbt-03 587664 500 70 230 200 -115.22 ± 14.37 8 152 82 8 0 -245.2 ± 37.88
454582 ncm-dbt-01 582277 500 47 226 227 -130.14 ± 13.52 8 167 71 4 0 -290.66 ± 40.76
454581 ncm-dbt-02 583028 500 57 210 233 -109.83 ± 14.37 5 154 80 11 0 -236.51 ± 38.38
454580 ncm-dbt-03 585169 500 44 231 225 -136.56 ± 13.92 13 163 72 2 0 -298.62 ± 40.29
454579 ncm-dbt-05 581652 500 44 217 239 -125.38 ± 14.96 9 166 64 11 0 -273.0 ± 42.83
454578 ncm-dbt-04 566178 500 42 217 241 -126.97 ± 14.94 13 156 74 7 0 -268.17 ± 39.97
454577 ncm-dbt-01 586012 500 48 226 226 -129.35 ± 14.75 13 158 73 6 0 -275.45 ± 40.24
454576 ncm-dbt-02 586816 500 47 219 234 -124.6 ± 15.74 14 155 70 11 0 -258.75 ± 41.02
454575 ncm-dbt-05 583321 500 50 232 218 -132.54 ± 14.87 13 163 67 7 0 -285.49 ± 42.08
454574 ncm-dbt-04 566060 500 63 217 220 -110.6 ± 14.22 6 151 84 9 0 -236.51 ± 37.42
454573 ncm-dbt-03 585632 500 47 201 252 -110.6 ± 14.69 6 153 81 9 1 -238.66 ± 38.15
454572 ncm-dbt-01 581610 500 47 221 232 -126.17 ± 14.12 9 162 73 6 0 -275.45 ± 40.24
454571 ncm-dbt-04 567720 500 46 213 241 -120.67 ± 15.3 12 153 75 10 0 -251.89 ± 39.67
454570 ncm-dbt-05 579289 500 42 226 232 -134.15 ± 15.33 14 165 62 9 0 -288.06 ± 43.65
454569 ncm-dbt-02 586858 500 51 229 220 -129.35 ± 14.24 13 155 79 3 0 -275.45 ± 38.39
454568 ncm-dbt-03 585253 500 35 216 249 -131.74 ± 13.67 9 167 70 4 0 -293.29 ± 41.07
454567 ncm-dbt-01 582611 500 41 221 238 -130.94 ± 13.14 9 163 77 1 0 -290.66 ± 38.7
454566 ncm-dbt-04 567086 500 42 229 229 -136.56 ± 14.1 11 170 64 5 0 -304.07 ± 43.1
454565 ncm-dbt-05 581194 500 42 215 243 -125.38 ± 14.96 13 154 76 7 0 -263.42 ± 39.41
454564 ncm-dbt-03 586350 500 53 219 228 -119.89 ± 14.35 11 149 85 5 0 -251.89 ± 37.03
454563 ncm-dbt-02 585421 500 50 222 228 -124.6 ± 14.96 14 150 80 6 0 -258.75 ± 38.32
454562 ncm-dbt-01 582903 500 45 214 241 -122.24 ± 14.66 9 160 72 9 0 -263.42 ± 40.52
454561 ncm-dbt-05 580613 500 49 222 229 -125.38 ± 15.59 15 152 74 9 0 -258.75 ± 39.96
454560 ncm-dbt-03 585759 500 43 227 230 -134.15 ± 14.15 11 167 67 5 0 -295.94 ± 42.08
454559 ncm-dbt-04 566257 500 50 210 240 -115.22 ± 15.31 10 152 76 12 0 -240.82 ± 39.35
454558 ncm-dbt-02 585211 500 44 224 232 -130.94 ± 14.22 11 163 71 5 0 -285.49 ± 40.81
454557 ncm-dbt-01 582193 500 33 209 258 -127.76 ± 13.57 9 161 77 3 0 -280.42 ± 38.93
454556 ncm-dbt-03 584622 500 37 225 238 -137.37 ± 14.43 13 167 65 5 0 -301.33 ± 42.75
454555 ncm-dbt-04 569031 500 35 219 246 -134.15 ± 13.61 10 167 70 3 0 -298.62 ± 41.01
454554 ncm-dbt-02 583363 500 47 218 235 -123.81 ± 14.81 11 157 74 8 0 -263.42 ± 39.97
454553 ncm-dbt-05 587282 500 35 230 235 -143.07 ± 15.66 18 167 57 8 0 -306.84 ± 45.58

Commit

Commit ID 7819412002374fac5ebf7bec1e49a25481f1c42b
Author Stéphane Nicolet
Date 2021-06-13 08:02:43 UTC
Clarify use of UCI options Update README.md to clarify use of UCI options closes https://github.com/official-stockfish/Stockfish/pull/3540 No functional change
Copyright 2011–2026 Next Chess Move LLC