Dev Builds » 20240903-1553

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 06:52:35 583682 4000 1467 571 1962 +79.17 ± 4.92 0 118 880 990 12 +164.93 ± 11.43
ncm-dbt-02 06:50:26 587060 4000 1520 560 1920 +85.04 ± 5.01 4 109 824 1049 14 +179.45 ± 11.84
ncm-dbt-03 06:52:02 587114 4002 1516 559 1927 +84.72 ± 5.04 3 114 824 1043 17 +177.78 ± 11.85
ncm-dbt-04 06:52:46 570376 4006 1525 565 1916 +84.91 ± 5.01 2 117 816 1055 13 +178.91 ± 11.91
ncm-dbt-05 06:53:25 584049 3992 1484 559 1949 +81.99 ± 5.0 6 103 862 1010 15 +172.31 ± 11.55
20000 7512 2814 9674 +83.17 ± 2.23 15 561 4206 5147 71 +174.64 ± 5.24

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
375646 ncm-dbt-03 588345 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02 ↓
375644 ncm-dbt-04 572114 6 3 0 3 +190.46 ± 18.51 0 0 0 3 0 +1199.83 ± 276.48 ↓
375643 ncm-dbt-05 587664 492 181 66 245 +82.74 ± 15.17 1 17 97 128 3 +172.5 ± 34.76 ↓
375642 ncm-dbt-01 581902 500 173 64 263 +76.97 ± 12.91 0 9 124 116 1 +160.64 ± 29.94 ↓
375641 ncm-dbt-02 587664 500 192 72 236 +85.04 ± 14.92 1 16 98 132 3 +178.11 ± 34.58 ↓
375640 ncm-dbt-03 588302 500 196 66 238 +92.45 ± 14.05 0 12 99 136 3 +194.57 ± 34.34 ↓
375639 ncm-dbt-04 569151 500 198 82 220 +82.1 ± 14.56 1 15 103 129 2 +172.78 ± 33.69 ↓
375638 ncm-dbt-05 584201 500 190 65 245 +88.74 ± 14.43 1 12 101 133 3 +187.16 ± 33.99 ↓
375637 ncm-dbt-01 583447 500 185 70 245 +81.36 ± 14.11 0 16 104 129 1 +171.02 ± 33.51 ↓
375636 ncm-dbt-02 586097 500 188 66 246 +86.52 ± 13.78 1 10 106 132 1 +185.33 ± 33.03 ↓
375635 ncm-dbt-03 587749 500 185 69 246 +82.1 ± 14.7 0 16 107 122 5 +165.8 ± 33.0 ↓
375634 ncm-dbt-04 570949 500 186 75 239 +78.43 ± 16.08 0 29 84 134 3 +160.64 ± 36.8 ↓
375633 ncm-dbt-01 583572 500 186 77 237 +76.97 ± 13.98 0 15 113 120 2 +158.93 ± 31.99 ↓
375632 ncm-dbt-05 578959 500 173 67 260 +74.79 ± 13.62 0 14 117 118 1 +155.54 ± 31.31 ↓
375631 ncm-dbt-03 586943 500 185 70 245 +81.36 ± 14.4 0 16 106 125 3 +167.53 ± 33.17 ↓
375630 ncm-dbt-02 588132 500 193 68 239 +88.74 ± 14.13 1 13 96 140 0 +192.71 ± 34.94 ↓
375629 ncm-dbt-04 567759 500 180 61 259 +84.31 ± 13.58 0 13 105 132 0 +179.9 ± 33.27 ↓
375628 ncm-dbt-01 580779 500 198 76 226 +86.52 ± 14.08 0 13 105 129 3 +179.9 ± 33.27 ↓
375627 ncm-dbt-05 584327 500 185 67 248 +83.57 ± 13.25 0 10 113 126 1 +176.33 ± 31.78 ↓
375626 ncm-dbt-03 585801 500 198 73 229 +88.74 ± 13.83 1 11 100 138 0 +192.71 ± 34.15 ↓
375625 ncm-dbt-02 588813 500 193 82 225 +78.43 ± 14.46 0 16 111 119 4 +158.93 ± 32.34 ↓
375624 ncm-dbt-04 571994 500 189 67 244 +86.52 ± 13.93 0 13 104 131 2 +181.7 ± 33.45 ↓
375623 ncm-dbt-01 583866 500 181 67 252 +80.63 ± 13.79 0 14 109 126 1 +169.27 ± 32.62 ↓
375622 ncm-dbt-03 586689 500 186 78 236 +76.25 ± 14.25 2 13 110 125 0 +164.07 ± 32.48 ↓
375621 ncm-dbt-05 585970 500 170 63 267 +75.52 ± 14.65 2 13 114 118 3 +157.24 ± 31.83 ↓
375620 ncm-dbt-02 583028 500 188 67 245 +85.78 ± 13.92 0 14 102 133 1 +181.7 ± 33.83 ↓
375619 ncm-dbt-04 567958 500 202 73 225 +91.71 ± 13.42 0 10 102 137 1 +196.45 ± 33.71 ↓
375618 ncm-dbt-03 586097 500 190 67 243 +87.26 ± 14.25 0 14 102 131 3 +181.7 ± 33.83 ↓
375617 ncm-dbt-01 584453 500 189 68 243 +85.78 ± 13.77 0 12 107 129 2 +179.9 ± 32.89 ↓
375616 ncm-dbt-02 585464 500 206 68 226 +98.44 ± 13.98 1 7 99 139 4 +209.91 ± 34.19 ↓
375615 ncm-dbt-05 583489 500 185 72 243 +79.9 ± 13.62 0 14 109 127 0 +169.27 ± 32.62 ↓
375614 ncm-dbt-04 572235 500 190 62 248 +90.96 ± 13.87 0 10 106 130 4 +189.0 ± 32.98 ↓
375613 ncm-dbt-02 589240 500 180 78 242 +71.88 ± 13.96 0 18 112 120 0 +150.51 ± 32.22 ↓
375612 ncm-dbt-03 585590 500 185 72 243 +79.9 ± 14.21 0 18 101 131 0 +169.27 ± 34.05 ↓
375611 ncm-dbt-01 584664 500 175 74 251 +71.16 ± 15.18 0 25 101 122 2 +145.54 ± 34.01 ↓
375610 ncm-dbt-05 579785 500 201 70 229 +93.2 ± 14.36 1 12 94 141 2 +200.24 ± 35.32 ↓
375609 ncm-dbt-04 568593 500 187 72 241 +81.37 ± 13.51 0 13 109 128 0 +172.78 ± 32.58 ↓
375608 ncm-dbt-03 588515 500 190 64 246 +89.48 ± 14.3 0 14 99 134 3 +187.16 ± 34.38 ↓
375607 ncm-dbt-02 588047 500 180 59 261 +85.78 ± 14.07 0 15 100 134 1 +181.7 ± 34.21 ↓
375606 ncm-dbt-01 586774 500 180 75 245 +74.06 ± 13.44 0 14 117 119 0 +155.54 ± 31.31 ↓
375605 ncm-dbt-04 572638 500 190 73 237 +82.83 ± 14.29 1 14 103 131 1 +176.33 ± 33.67 ↓
375604 ncm-dbt-05 588004 500 199 89 212 +77.71 ± 13.85 1 11 117 119 2 +162.35 ± 31.23 ↓

Commit

Commit ID 2054add23cf234f302c67709efc0d265c5a98eae
Author Robert Nurnberg @ elitebook
Date 2024-09-03 15:53:23 UTC
Update the WDL model updates the internal WDL model, using data from 2.6M games played by the revisions since 9fb5832. https://github.com/official-stockfish/Stockfish/pull/5565 No functional change
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