Dev Builds » 20240709-1654

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 06:54:49 585033 4016 1537 600 1879 +82.58 ± 4.95 2 114 848 1033 11 +173.73 ± 11.67
ncm-dbt-02 06:53:14 587095 4000 1507 576 1917 +82.38 ± 5.01 4 112 848 1021 15 +172.78 ± 11.67
ncm-dbt-03 06:53:51 587441 4000 1534 537 1929 +88.46 ± 4.94 0 101 820 1060 19 +185.79 ± 11.86
ncm-dbt-04 06:54:18 557005 3992 1515 570 1907 +83.84 ± 4.95 0 114 835 1035 12 +176.07 ± 11.76
ncm-dbt-05 06:55:04 582357 3992 1493 540 1959 +84.57 ± 4.97 4 105 833 1042 12 +178.76 ± 11.77
20000 7586 2823 9591 +84.36 ± 2.22 10 546 4184 5191 69 +177.4 ± 5.25

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
374391 ncm-dbt-01 587113 16 4 3 9 +21.74 ± 73.63 0 1 5 2 0 +43.66 ± 157.0
374390 ncm-dbt-05 583740 492 184 72 236 +80.5 ± 13.78 0 14 106 126 0 +170.71 ± 33.11
374389 ncm-dbt-04 558208 492 189 70 233 +85.73 ± 14.82 0 17 96 130 3 +177.91 ± 34.95
374388 ncm-dbt-03 589155 500 196 59 245 +97.69 ± 13.66 0 12 89 149 0 +213.85 ± 36.34
374387 ncm-dbt-02 589497 500 182 66 252 +82.1 ± 14.27 1 11 113 121 4 +169.27 ± 31.88
374386 ncm-dbt-01 583866 500 184 71 245 +79.9 ± 14.78 1 18 99 131 1 +169.27 ± 34.4
374385 ncm-dbt-04 558822 500 201 77 222 +88.0 ± 13.66 0 13 100 137 0 +189.0 ± 34.18
374384 ncm-dbt-05 581277 500 192 67 241 +88.74 ± 13.98 1 10 104 133 2 +189.0 ± 33.39
374383 ncm-dbt-03 586477 500 189 65 246 +88.0 ± 12.7 0 7 112 131 0 +189.0 ± 31.75
374382 ncm-dbt-02 586689 500 184 66 250 +83.57 ± 14.16 0 16 101 132 1 +176.33 ± 34.04
374381 ncm-dbt-01 583908 500 195 78 227 +82.83 ± 12.91 0 9 115 126 0 +176.33 ± 31.38
374380 ncm-dbt-05 583698 500 183 64 253 +84.3 ± 13.58 0 12 108 129 1 +178.11 ± 32.72
374379 ncm-dbt-04 556679 500 173 59 268 +80.63 ± 15.22 0 21 98 127 4 +164.07 ± 34.56
374378 ncm-dbt-03 585379 500 188 73 239 +81.36 ± 14.54 0 16 107 123 4 +165.8 ± 33.0
374377 ncm-dbt-02 586774 500 192 53 255 +99.2 ± 13.19 0 6 102 139 3 +211.87 ± 33.48
374376 ncm-dbt-01 585759 500 199 77 224 +86.52 ± 14.23 0 14 103 130 3 +179.9 ± 33.65
374375 ncm-dbt-05 580199 500 184 84 232 +70.43 ± 14.2 0 19 113 117 1 +145.54 ± 32.08
374374 ncm-dbt-04 552330 500 183 75 242 +76.25 ± 14.53 0 20 103 126 1 +158.93 ± 33.71
374373 ncm-dbt-03 589582 500 193 65 242 +90.96 ± 14.76 0 14 100 130 6 +185.33 ± 34.19
374372 ncm-dbt-02 587962 500 186 81 233 +74.06 ± 14.18 0 18 110 121 1 +153.86 ± 32.54
374371 ncm-dbt-01 585548 500 185 72 243 +79.9 ± 13.92 0 15 108 126 1 +167.53 ± 32.81
374370 ncm-dbt-05 583196 500 178 69 253 +76.98 ± 14.41 1 16 107 125 1 +162.35 ± 33.02
374369 ncm-dbt-04 557749 500 184 75 241 +76.97 ± 13.98 0 16 110 123 1 +160.64 ± 32.5
374368 ncm-dbt-03 584495 500 192 64 244 +90.97 ± 13.56 0 12 98 140 0 +196.45 ± 34.53
374367 ncm-dbt-02 584622 500 192 81 227 +78.44 ± 14.46 1 15 108 124 2 +164.07 ± 32.83
374366 ncm-dbt-01 584034 500 200 76 224 +88.0 ± 13.97 1 12 99 138 0 +190.85 ± 34.36
374365 ncm-dbt-04 554364 500 186 68 246 +83.57 ± 12.93 0 8 117 124 1 +176.33 ± 30.99
374364 ncm-dbt-05 582819 500 188 56 256 +93.95 ± 14.07 1 10 97 140 2 +202.15 ± 34.7
374363 ncm-dbt-02 585885 500 186 88 226 +68.99 ± 14.0 1 15 120 113 1 +143.89 ± 30.92
374362 ncm-dbt-03 586731 500 191 67 242 +88.0 ± 14.41 0 13 105 127 5 +179.9 ± 33.27
374361 ncm-dbt-01 581444 500 189 77 234 +79.17 ± 14.05 0 16 107 126 1 +165.8 ± 33.0
374360 ncm-dbt-05 581402 500 187 55 258 +93.95 ± 14.23 0 14 92 142 2 +200.24 ± 35.72
374359 ncm-dbt-04 556794 500 191 65 244 +89.48 ± 13.22 0 10 104 136 0 +192.71 ± 33.34
374358 ncm-dbt-03 589112 500 192 74 234 +83.57 ± 14.6 0 16 104 126 4 +171.02 ± 33.51
374357 ncm-dbt-02 586266 500 195 67 238 +90.97 ± 14.18 0 16 90 144 0 +196.45 ± 36.11
374356 ncm-dbt-01 587282 500 192 73 235 +84.3 ± 14.03 0 14 105 129 2 +176.33 ± 33.3
374355 ncm-dbt-04 561098 500 208 81 211 +90.22 ± 13.39 0 9 107 132 2 +190.85 ± 32.75
374354 ncm-dbt-02 589069 500 190 74 236 +82.1 ± 14.7 1 15 104 127 3 +171.02 ± 33.51
374353 ncm-dbt-05 582527 500 197 73 230 +88.0 ± 14.12 1 10 106 130 3 +185.33 ± 33.03
374352 ncm-dbt-01 586350 500 189 73 238 +82.1 ± 14.27 0 15 107 125 3 +169.27 ± 32.98
374351 ncm-dbt-03 588600 500 193 70 237 +87.26 ± 13.33 0 11 105 134 0 +187.16 ± 33.21

Commit

Commit ID 362a77a3450335e1940020c080bf3b7b361c594a
Author yl25946
Date 2024-07-09 16:54:12 UTC
Move Loop Consistency in Probcut In probcut move loop, everything is enclosed within a large if statement. I've changed it to guard clauses to stay consistent with other move loops. closes https://github.com/official-stockfish/Stockfish/pull/5463 No functional change
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