Dev Builds » 20240723-1551

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 06:52:38 585144 4000 1486 555 1959 +82.38 ± 4.96 0 117 849 1020 14 +172.12 ± 11.66
ncm-dbt-02 06:51:16 586941 4000 1512 588 1900 +81.73 ± 4.97 3 117 841 1031 8 +172.56 ± 11.72
ncm-dbt-03 06:52:28 588622 4000 1531 578 1891 +84.4 ± 4.85 3 86 882 1013 16 +177.22 ± 11.37
ncm-dbt-04 06:53:01 565660 4000 1501 571 1928 +82.28 ± 5.06 3 126 820 1040 11 +173.22 ± 11.89
ncm-dbt-05 06:53:04 583365 4000 1535 590 1875 +83.66 ± 5.05 3 111 847 1016 23 +173.89 ± 11.67
20000 7565 2882 9553 +82.89 ± 2.23 12 557 4239 5120 72 +173.8 ± 5.21

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
371407 ncm-dbt-05 584411 500 191 74 235 +82.83 ± 14.29 1 13 106 128 2 +174.55 ± 33.13 ↓
371406 ncm-dbt-02 584076 500 182 67 251 +81.37 ± 13.96 1 12 109 127 1 +172.78 ± 32.58 ↓
371405 ncm-dbt-04 564683 500 184 69 247 +81.36 ± 14.25 0 17 102 130 1 +171.02 ± 33.87 ↓
371404 ncm-dbt-03 588047 500 190 66 244 +88.0 ± 13.97 1 9 108 129 3 +185.33 ± 32.63 ↓
371403 ncm-dbt-01 586604 500 177 72 251 +74.06 ± 14.32 0 18 111 119 2 +152.18 ± 32.38 ↓
371402 ncm-dbt-05 582987 500 184 67 249 +82.83 ± 14.29 0 15 106 126 3 +171.02 ± 33.15 ↓
371401 ncm-dbt-03 588728 500 202 77 221 +88.74 ± 13.36 0 8 112 127 3 +185.33 ± 31.82 ↓
371400 ncm-dbt-04 563626 500 191 77 232 +80.63 ± 14.09 0 16 105 128 1 +169.27 ± 33.34 ↓
371399 ncm-dbt-02 586097 500 201 69 230 +93.95 ± 14.38 0 15 90 143 2 +200.24 ± 36.12 ↓
371398 ncm-dbt-01 585970 500 188 64 248 +88.0 ± 13.81 0 14 98 138 0 +189.0 ± 34.56 ↓
371397 ncm-dbt-03 587537 500 197 69 234 +90.96 ± 13.72 0 10 105 132 3 +190.85 ± 33.16 ↓
371396 ncm-dbt-02 586520 500 189 79 232 +77.71 ± 14.58 1 17 104 127 1 +164.07 ± 33.53 ↓
371395 ncm-dbt-04 566533 500 191 81 228 +77.71 ± 14.15 1 14 110 124 1 +164.07 ± 32.48 ↓
371394 ncm-dbt-05 584537 500 192 76 232 +82.1 ± 14.13 0 14 109 124 3 +169.27 ± 32.62 ↓
371393 ncm-dbt-01 585379 500 182 71 247 +78.43 ± 14.31 0 17 107 124 2 +162.35 ± 33.02 ↓
371392 ncm-dbt-04 567958 500 179 75 246 +73.34 ± 14.01 0 18 110 122 0 +153.86 ± 32.54 ↓
371391 ncm-dbt-02 589069 500 180 74 246 +74.79 ± 13.91 0 17 110 123 0 +157.24 ± 32.52 ↓
371390 ncm-dbt-03 589454 500 192 63 245 +91.71 ± 13.26 0 10 101 139 0 +198.34 ± 33.9 ↓
371389 ncm-dbt-01 584748 500 186 64 250 +86.52 ± 13.93 0 12 107 128 3 +179.9 ± 32.89 ↓
371388 ncm-dbt-05 582110 500 188 68 244 +85.04 ± 14.63 0 17 99 131 3 +176.33 ± 34.4 ↓
371387 ncm-dbt-03 588643 500 189 74 237 +81.37 ± 13.35 1 8 117 123 1 +172.78 ± 31.06 ↓
371386 ncm-dbt-02 587664 500 186 78 236 +76.25 ± 13.96 0 17 108 125 0 +160.64 ± 32.85 ↓
371385 ncm-dbt-04 566849 500 188 70 242 +83.57 ± 15.3 1 17 100 127 5 +171.02 ± 34.23 ↓
371384 ncm-dbt-01 585211 500 187 60 253 +90.22 ± 13.55 0 11 102 136 1 +192.71 ± 33.75 ↓
371383 ncm-dbt-05 581693 500 191 73 236 +83.57 ± 14.16 0 15 104 129 2 +174.55 ± 33.5 ↓
371382 ncm-dbt-04 563939 500 186 66 248 +85.04 ± 14.2 1 13 102 133 1 +181.7 ± 33.83 ↓
371381 ncm-dbt-02 588174 500 189 65 246 +88.0 ± 13.66 0 11 106 131 2 +185.33 ± 33.03 ↓
371380 ncm-dbt-01 584706 500 187 78 235 +76.98 ± 14.27 0 19 103 128 0 +162.35 ± 33.71 ↓
371379 ncm-dbt-03 589668 500 177 77 246 +70.44 ± 13.91 0 18 114 118 0 +147.19 ± 31.9 ↓
371378 ncm-dbt-05 584958 500 202 72 226 +92.46 ± 14.2 2 8 100 138 2 +200.24 ± 34.09 ↓
371377 ncm-dbt-02 586816 500 189 77 234 +79.17 ± 13.9 0 15 109 125 1 +165.8 ± 32.64 ↓
371376 ncm-dbt-04 564448 500 195 69 236 +89.48 ± 14.0 0 15 94 141 0 +192.71 ± 35.33 ↓
371375 ncm-dbt-01 586223 500 189 73 238 +82.1 ± 13.06 0 9 117 123 1 +172.78 ± 31.06 ↓
371374 ncm-dbt-03 587452 500 197 81 222 +82.1 ± 14.27 0 13 113 119 5 +165.8 ± 31.92 ↓
371373 ncm-dbt-05 582485 500 189 85 226 +73.33 ± 14.3 0 18 112 118 2 +150.51 ± 32.22 ↓
371372 ncm-dbt-02 587113 500 196 79 225 +82.83 ± 14.14 1 13 105 130 1 +176.33 ± 33.3 ↓
371371 ncm-dbt-01 582318 500 190 73 237 +82.83 ± 14.86 0 17 104 124 5 +167.53 ± 33.52 ↓
371370 ncm-dbt-04 567244 500 187 64 249 +87.26 ± 14.4 0 16 97 135 2 +183.51 ± 34.76 ↓
371369 ncm-dbt-03 589454 500 187 71 242 +82.1 ± 13.68 1 10 112 126 1 +174.55 ± 32.0 ↓
371368 ncm-dbt-05 583740 500 198 75 227 +87.26 ± 14.25 0 11 111 122 6 +176.33 ± 32.16 ↓

Commit

Commit ID e57fba7fc9be461cbb97c063b269a1e231cdd284
Author Joost VandeVondele
Date 2024-07-23 15:51:30 UTC
Fix TB PV extension and MultiPV in the case of MultiPV, the first move of the Nth multiPV could actually turn a winning position in a losing one, so don't attempt to correct it. Instead, always perform the first move without correction. Fixes #5505 Closes https://github.com/official-stockfish/Stockfish/pull/5506 No functional change
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