Dev Builds » 20210331-0612

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 06:42:49 582497 4000 305 1838 1857 -140.32 ± 4.78 83 1392 500 25 0 -318.98 ± 15.23
ncm-dbt-02 06:44:28 585890 4000 314 1855 1831 -141.13 ± 5.02 108 1355 507 30 0 -312.84 ± 15.13
ncm-dbt-03 06:44:07 583921 4000 315 1825 1860 -137.98 ± 5.05 91 1375 487 47 0 -307.89 ± 15.45
ncm-dbt-04 06:44:36 567618 4000 352 1829 1819 -134.65 ± 4.98 93 1324 550 33 0 -295.94 ± 14.52
ncm-dbt-05 06:44:18 581155 4000 309 1855 1836 -141.64 ± 5.1 112 1358 495 34 1 -313.55 ± 15.33
20000 1595 9202 9203 -139.14 ± 2.23 487 6804 2539 169 1 -309.71 ± 6.76

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
439632 ncm-dbt-02 589155 500 51 237 212 -135.76 ± 14.29 14 161 72 3 0 -293.29 ± 40.39
439631 ncm-dbt-04 568951 500 43 234 223 -139.81 ± 13.26 10 173 65 2 0 -318.25 ± 42.59
439630 ncm-dbt-03 581070 500 33 227 240 -142.25 ± 13.56 11 175 61 3 0 -324.17 ± 44.15
439629 ncm-dbt-05 580821 500 36 233 231 -144.71 ± 14.41 14 174 57 5 0 -324.17 ± 45.77
439628 ncm-dbt-01 582318 500 49 226 225 -128.55 ± 14.08 9 165 70 6 0 -282.94 ± 41.13
439627 ncm-dbt-02 586097 500 35 229 236 -142.25 ± 14.12 11 178 55 6 0 -324.17 ± 46.56
439626 ncm-dbt-04 568037 500 49 237 214 -137.37 ± 14.25 14 163 70 3 0 -298.62 ± 41.01
439625 ncm-dbt-05 580530 500 46 238 216 -140.62 ± 15.05 14 171 59 5 1 -312.48 ± 44.93
439624 ncm-dbt-03 586646 500 38 233 229 -143.07 ± 14.28 13 174 58 5 0 -321.19 ± 45.36
439623 ncm-dbt-01 581652 500 32 224 244 -140.62 ± 13.24 11 171 67 1 0 -318.25 ± 41.77
439622 ncm-dbt-05 582318 500 41 229 230 -137.37 ± 13.71 9 175 61 5 0 -312.48 ± 44.19
439621 ncm-dbt-04 568912 500 42 230 228 -137.37 ± 14.08 11 171 63 5 0 -306.84 ± 43.45
439620 ncm-dbt-02 580572 500 33 234 233 -148.01 ± 14.49 20 161 69 0 0 -318.25 ± 40.94
439619 ncm-dbt-03 583866 500 35 234 231 -146.36 ± 13.22 8 188 49 5 0 -349.43 ± 49.46
439618 ncm-dbt-01 584327 500 45 239 216 -142.25 ± 14.3 15 167 65 3 0 -312.48 ± 42.67
439617 ncm-dbt-05 581485 500 46 224 230 -129.35 ± 14.91 15 153 77 5 0 -270.57 ± 39.07
439616 ncm-dbt-04 567047 500 50 227 223 -128.55 ± 14.59 13 156 76 5 0 -273.0 ± 39.35
439615 ncm-dbt-03 582444 500 43 224 233 -131.74 ± 14.71 13 161 70 6 0 -282.94 ± 41.13
439614 ncm-dbt-02 586985 500 38 231 231 -141.44 ± 14.33 12 175 57 6 0 -318.25 ± 45.73
439613 ncm-dbt-01 583321 500 30 232 238 -148.85 ± 12.49 8 188 52 2 0 -359.68 ± 48.01
439612 ncm-dbt-02 585126 500 37 240 223 -149.68 ± 13.67 11 186 48 5 0 -352.8 ± 49.98
439611 ncm-dbt-04 568355 500 38 233 229 -143.07 ± 14.28 13 174 58 5 0 -321.19 ± 45.36
439610 ncm-dbt-01 583572 500 32 227 241 -143.07 ± 13.15 9 180 58 3 0 -333.32 ± 45.35
439609 ncm-dbt-05 581319 500 28 231 241 -149.68 ± 13.67 14 177 57 2 0 -342.85 ± 45.71
439608 ncm-dbt-03 586308 500 53 228 219 -126.97 ± 14.28 10 161 73 6 0 -275.45 ± 40.24
439607 ncm-dbt-02 584453 500 40 228 232 -137.37 ± 14.08 12 168 66 4 0 -304.07 ± 42.38
439606 ncm-dbt-01 582485 500 33 227 240 -142.25 ± 13.94 12 174 60 4 0 -321.19 ± 44.57
439605 ncm-dbt-05 581194 500 37 237 226 -147.19 ± 14.7 17 170 59 4 0 -324.17 ± 44.97
439604 ncm-dbt-04 565784 500 33 217 250 -134.15 ± 14.33 11 168 65 6 0 -295.94 ± 42.75
439603 ncm-dbt-03 582318 500 34 226 240 -140.62 ± 13.8 10 177 58 5 0 -321.19 ± 45.36
439602 ncm-dbt-02 587325 500 46 228 226 -132.54 ± 14.01 12 161 74 3 0 -288.06 ± 39.79
439601 ncm-dbt-01 580862 500 43 234 223 -139.81 ± 13.26 11 170 68 1 0 -315.35 ± 41.44
439600 ncm-dbt-05 578588 500 37 233 230 -143.89 ± 13.7 14 169 66 1 0 -321.19 ± 42.12
439599 ncm-dbt-03 586774 500 45 227 228 -132.54 ± 15.52 12 170 56 12 0 -288.06 ± 45.47
439598 ncm-dbt-04 568593 500 50 229 221 -130.14 ± 14.57 14 155 77 4 0 -275.45 ± 39.01
439597 ncm-dbt-05 582987 500 38 230 232 -140.62 ± 15.05 15 169 59 7 0 -306.84 ± 44.88
439596 ncm-dbt-04 565272 500 47 222 231 -126.97 ± 13.22 7 164 76 3 0 -282.94 ± 39.21
439595 ncm-dbt-01 581444 500 41 229 230 -137.37 ± 13.53 8 177 60 5 0 -315.35 ± 44.57
439594 ncm-dbt-02 587409 500 34 228 238 -142.25 ± 14.48 16 165 66 3 0 -309.64 ± 42.33
439593 ncm-dbt-03 581943 500 34 226 240 -140.62 ± 14.53 14 169 62 5 0 -309.64 ± 43.82

Commit

Commit ID b862c8d4be2cf6245360a8072ab910a67eb5bc00
Author Stéphane Nicolet
Date 2021-03-31 06:12:25 UTC
Small clean-up Bench: 4321677
Copyright 2011–2025 Next Chess Move LLC