Dev Builds » 20240513-0516

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 06:51:38 585088 3998 1502 595 1901 +80.22 ± 5.06 2 131 836 1018 12 +167.85 ± 11.77
ncm-dbt-02 06:50:07 587178 4000 1471 592 1937 +77.61 ± 5.1 2 139 852 992 15 +161.07 ± 11.66
ncm-dbt-03 06:49:24 587349 4000 1496 605 1899 +78.71 ± 4.95 1 120 878 989 12 +164.07 ± 11.45
ncm-dbt-04 06:51:04 572201 4010 1480 619 1911 +75.78 ± 5.0 2 129 893 968 13 +157.21 ± 11.36
ncm-dbt-05 06:51:35 584097 3992 1472 588 1932 +78.23 ± 5.04 2 125 874 977 18 +161.87 ± 11.49
20000 7421 2999 9580 +78.11 ± 2.25 9 644 4333 4944 70 +162.39 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383833 ncm-dbt-04 570789 10 5 1 4 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
383832 ncm-dbt-05 588345 492 181 65 246 +83.48 ± 14.47 0 17 97 131 1 +176.09 ± 34.76
383831 ncm-dbt-01 585506 498 181 72 245 +77.29 ± 14.75 0 21 99 128 1 +161.38 ± 34.39
383830 ncm-dbt-03 588686 500 177 72 251 +74.06 ± 12.98 0 10 126 113 1 +153.86 ± 29.71
383829 ncm-dbt-02 588174 500 180 69 251 +78.44 ± 14.31 1 16 104 129 0 +167.53 ± 33.52
383828 ncm-dbt-04 572598 500 185 74 241 +78.43 ± 14.31 0 18 104 127 1 +164.07 ± 33.53
383827 ncm-dbt-05 585211 500 185 80 235 +74.06 ± 14.32 1 13 120 112 4 +150.51 ± 30.84
383826 ncm-dbt-01 585421 500 183 67 250 +82.1 ± 14.7 0 19 98 131 2 +171.02 ± 34.58
383825 ncm-dbt-03 586012 500 183 88 229 +66.82 ± 14.48 0 21 115 112 2 +135.76 ± 31.8
383824 ncm-dbt-04 572034 500 191 76 233 +81.36 ± 14.11 0 15 107 126 2 +169.27 ± 32.98
383823 ncm-dbt-02 587664 500 182 79 239 +72.61 ± 15.5 1 23 101 122 3 +148.85 ± 34.02
383822 ncm-dbt-05 585928 500 181 77 242 +73.34 ± 14.01 0 18 110 122 0 +153.86 ± 32.54
383821 ncm-dbt-04 571672 500 181 77 242 +73.33 ± 14.44 0 17 116 113 4 +147.19 ± 31.57
383820 ncm-dbt-01 584201 500 193 79 228 +80.63 ± 13.94 0 16 104 130 0 +171.02 ± 33.51
383819 ncm-dbt-02 589668 500 188 70 242 +83.57 ± 14.45 0 18 97 134 1 +176.33 ± 34.76
383818 ncm-dbt-03 587028 500 195 78 227 +82.83 ± 13.7 0 13 108 128 1 +174.55 ± 32.75
383817 ncm-dbt-05 578959 500 184 81 235 +72.61 ± 14.41 0 18 114 115 3 +147.19 ± 31.9
383816 ncm-dbt-04 572679 500 196 71 233 +88.74 ± 14.72 1 15 94 138 2 +189.0 ± 35.33
383815 ncm-dbt-03 587579 500 189 68 243 +85.78 ± 13.77 0 13 104 132 1 +181.7 ± 33.45
383814 ncm-dbt-01 581402 500 197 72 231 +88.74 ± 14.57 0 18 90 141 1 +189.0 ± 36.08
383813 ncm-dbt-02 584034 500 179 79 242 +70.43 ± 14.75 0 22 108 118 2 +143.89 ± 32.9
383812 ncm-dbt-05 580282 500 176 75 249 +71.16 ± 14.64 0 20 112 115 3 +143.89 ± 32.25
383811 ncm-dbt-03 587028 500 178 77 245 +71.16 ± 14.22 0 19 112 118 1 +147.19 ± 32.24
383810 ncm-dbt-04 571752 500 192 68 240 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03
383809 ncm-dbt-01 586393 500 180 74 246 +74.79 ± 14.49 1 16 111 120 2 +155.54 ± 32.36
383808 ncm-dbt-02 590053 500 189 64 247 +88.74 ± 13.04 0 8 110 131 1 +189.0 ± 32.17
383807 ncm-dbt-05 587367 500 187 71 242 +82.1 ± 13.21 0 10 115 124 1 +172.78 ± 31.44
383806 ncm-dbt-03 584832 500 185 76 239 +76.97 ± 13.98 0 15 113 120 2 +158.93 ± 31.99
383805 ncm-dbt-04 573689 500 182 90 228 +64.66 ± 13.54 0 16 127 106 1 +132.54 ± 29.87
383804 ncm-dbt-01 585717 500 191 71 238 +85.04 ± 13.75 0 13 105 131 1 +179.9 ± 33.27
383803 ncm-dbt-02 586477 500 183 76 241 +75.52 ± 14.37 0 19 106 124 1 +157.24 ± 33.21
383802 ncm-dbt-03 587962 500 206 77 217 +91.71 ± 14.34 0 13 99 134 4 +190.85 ± 34.36
383801 ncm-dbt-05 583614 500 179 69 252 +77.71 ± 14.72 1 17 105 125 2 +162.35 ± 33.37
383800 ncm-dbt-04 570829 500 170 79 251 +63.95 ± 14.5 1 21 114 114 0 +134.15 ± 31.97
383799 ncm-dbt-02 587028 500 196 84 220 +79.17 ± 14.9 0 17 110 117 6 +157.24 ± 32.52
383798 ncm-dbt-01 584916 500 189 82 229 +75.52 ± 13.34 0 13 117 120 0 +158.93 ± 31.27
383797 ncm-dbt-03 589668 500 183 69 248 +80.63 ± 14.38 1 16 101 132 0 +172.78 ± 34.05
383796 ncm-dbt-02 584327 500 174 71 255 +72.61 ± 13.84 0 16 116 117 1 +150.51 ± 31.54
383795 ncm-dbt-01 587155 500 188 78 234 +77.71 ± 14.86 1 15 112 117 5 +157.24 ± 32.18
383794 ncm-dbt-04 573770 500 178 83 239 +66.82 ± 13.63 0 16 124 109 1 +137.37 ± 30.31
383793 ncm-dbt-05 583070 500 199 70 231 +91.71 ± 14.19 0 12 101 133 4 +190.85 ± 33.97

Commit

Commit ID 540545d12792dc554e3a4cd1b09633c31a16d31b
Author Shawn Xu
Date 2024-05-13 05:16:59 UTC
simplify away quietCheckEvasions pruning simplifies away the pruning of quiet evasion moves in quiescent search. Passed STC: LLR: 2.98 (-2.94,2.94) <-1.75,0.25> Total: 343520 W: 88356 L: 88470 D: 166694 Ptnml(0-2): 1061, 40073, 89706, 39759, 1161 https://tests.stockfishchess.org/tests/view/663c7ddfc0b75d7f7b980f3b Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 168744 W: 42454 L: 42384 D: 83906 Ptnml(0-2): 75, 18678, 46782, 18776, 61 https://tests.stockfishchess.org/tests/view/663ce34fc0b75d7f7b981ed9 closes https://github.com/official-stockfish/Stockfish/pull/5231 bench 3681552
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