Dev Builds » 20240701-1756

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 06:50:03 583897 4000 1527 618 1855 +80.36 ± 4.96 3 115 862 1010 10 +168.84 ± 11.56
ncm-dbt-02 06:52:04 587207 4000 1458 575 1967 +77.98 ± 5.1 2 138 851 993 16 +161.71 ± 11.66
ncm-dbt-03 06:51:58 586832 4004 1448 617 1939 +73.17 ± 4.94 4 123 921 946 8 +152.64 ± 11.16
ncm-dbt-04 06:50:48 571136 4000 1425 584 1991 +74.15 ± 5.0 5 129 893 966 7 +155.33 ± 11.36
ncm-dbt-05 06:52:04 584119 3996 1462 603 1931 +75.87 ± 5.05 1 139 871 974 13 +157.2 ± 11.52
20000 7320 2997 9683 +76.3 ± 2.24 15 644 4398 4889 54 +159.1 ± 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390707 ncm-dbt-03 587622 4 2 2 0 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
390706 ncm-dbt-05 582987 496 187 93 216 +66.65 ± 14.42 0 21 113 113 1 +136.97 ± 32.1
390705 ncm-dbt-02 587155 500 176 81 243 +66.82 ± 14.75 1 21 111 116 1 +138.99 ± 32.43
390704 ncm-dbt-01 585928 500 192 78 230 +80.63 ± 14.52 0 18 102 128 2 +167.53 ± 33.88
390703 ncm-dbt-03 585211 500 190 91 219 +69.71 ± 13.59 0 14 125 109 2 +142.26 ± 30.08
390702 ncm-dbt-04 569909 500 190 56 254 +95.44 ± 13.63 0 11 95 143 1 +206.01 ± 35.09
390701 ncm-dbt-05 581070 500 180 82 238 +68.99 ± 14.7 0 22 110 116 2 +140.62 ± 32.58
390700 ncm-dbt-02 588472 500 176 65 259 +78.43 ± 14.46 0 17 108 122 3 +160.64 ± 32.85
390699 ncm-dbt-01 583614 500 202 84 214 +83.57 ± 14.45 1 12 109 124 4 +172.78 ± 32.58
390698 ncm-dbt-04 571391 500 174 69 257 +74.06 ± 14.32 0 18 111 119 2 +152.18 ± 32.38
390697 ncm-dbt-03 587113 500 183 74 243 +76.98 ± 14.27 1 14 112 121 2 +160.64 ± 32.15
390696 ncm-dbt-05 587367 500 181 66 253 +81.36 ± 13.66 0 12 113 123 2 +169.27 ± 31.88
390695 ncm-dbt-02 586393 500 186 75 239 +78.43 ± 14.6 0 18 106 123 3 +160.64 ± 33.2
390694 ncm-dbt-01 585169 500 174 73 253 +71.16 ± 13.04 0 12 125 113 0 +148.85 ± 29.98
390693 ncm-dbt-04 567403 500 183 81 236 +71.89 ± 14.67 1 18 111 118 2 +148.85 ± 32.4
390692 ncm-dbt-03 587537 500 186 70 244 +82.1 ± 13.21 0 11 112 127 0 +174.55 ± 32.0
390691 ncm-dbt-05 585548 500 185 73 242 +79.17 ± 14.34 0 17 106 125 2 +164.07 ± 33.19
390690 ncm-dbt-02 589839 500 177 72 251 +74.06 ± 14.46 0 19 109 120 2 +152.18 ± 32.72
390689 ncm-dbt-01 582152 500 185 75 240 +77.7 ± 14.99 0 23 95 131 1 +162.35 ± 35.05
390688 ncm-dbt-04 571953 500 165 80 255 +59.64 ± 13.61 0 19 127 104 0 +123.02 ± 29.98
390687 ncm-dbt-03 584958 500 169 67 264 +71.88 ± 14.53 0 22 104 124 0 +150.51 ± 33.54
390686 ncm-dbt-05 582068 500 183 70 247 +79.9 ± 14.07 0 17 103 130 0 +169.27 ± 33.7
390685 ncm-dbt-02 584916 500 192 74 234 +83.57 ± 14.31 0 16 102 130 2 +174.55 ± 33.86
390684 ncm-dbt-01 580323 500 179 81 240 +68.99 ± 13.41 0 15 122 113 0 +143.89 ± 30.58
390683 ncm-dbt-03 586562 500 173 73 254 +70.44 ± 14.48 1 16 118 112 3 +143.89 ± 31.26
390682 ncm-dbt-04 573770 500 186 72 242 +80.63 ± 15.08 2 18 94 136 0 +174.55 ± 35.29
390681 ncm-dbt-02 587919 500 178 67 255 +78.43 ± 14.6 0 20 100 129 1 +164.07 ± 34.22
390680 ncm-dbt-05 582987 500 175 72 253 +72.61 ± 13.99 0 17 114 118 1 +150.51 ± 31.88
390679 ncm-dbt-01 585801 500 201 73 226 +90.97 ± 13.56 1 9 101 139 0 +198.34 ± 33.9
390678 ncm-dbt-04 570909 500 162 74 264 +61.79 ± 12.97 0 14 134 102 0 +127.76 ± 28.76
390677 ncm-dbt-03 587197 500 183 78 239 +74.06 ± 13.89 1 13 117 118 1 +155.54 ± 31.31
390676 ncm-dbt-05 584958 500 199 74 227 +88.74 ± 14.72 1 13 100 132 4 +185.33 ± 34.19
390675 ncm-dbt-02 584579 500 187 68 245 +84.3 ± 13.58 0 10 114 123 3 +174.55 ± 31.61
390674 ncm-dbt-01 584159 500 202 72 226 +92.46 ± 14.05 1 10 99 138 2 +198.34 ± 34.31
390673 ncm-dbt-03 586308 500 188 84 228 +73.34 ± 13.86 1 14 115 120 0 +155.54 ± 31.67
390672 ncm-dbt-04 573770 500 181 71 248 +77.71 ± 15.27 2 19 97 131 1 +165.8 ± 34.73
390671 ncm-dbt-01 584034 500 192 82 226 +77.7 ± 14.0 0 16 109 124 1 +162.35 ± 32.67
390670 ncm-dbt-02 588387 500 186 73 241 +79.9 ± 14.64 1 17 101 130 1 +169.27 ± 34.05
390669 ncm-dbt-05 585970 500 172 73 255 +69.71 ± 14.31 0 20 112 117 1 +143.89 ± 32.25
390668 ncm-dbt-03 588984 500 174 78 248 +67.55 ± 13.95 0 19 116 115 0 +140.62 ± 31.61
390667 ncm-dbt-04 569989 500 184 81 235 +72.61 ± 13.24 0 12 124 113 1 +150.51 ± 30.13

Commit

Commit ID 7b49f9dd7091ce1d075ebdd16fff85ff1dba31fa
Author Michael Chaly
Date 2024-07-01 17:56:38 UTC
Tweak multicut This patch is an original patch by author of Altair (https://github.com/Alex2262/AltairChessEngine) chess engine. It allows to produce more aggressive multicut compared to master by changing condition it needs to fulfil and also returns bigger value. Also has applied matetrack fix on top. Passed STC: https://tests.stockfishchess.org/tests/view/667223ab602682471b0650e2 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 50048 W: 13200 L: 12860 D: 23988 Ptnml(0-2): 181, 5822, 12679, 6160, 182 Passed LTC: https://tests.stockfishchess.org/tests/view/6672f777602682471b06515d LLR: 2.97 (-2.94,2.94) <0.50,2.50> Total: 706380 W: 179707 L: 177981 D: 348692 Ptnml(0-2): 656, 79250, 191665, 80950, 669 closes https://github.com/official-stockfish/Stockfish/pull/5421 bench 1148966
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