Dev Builds » 20240214-2027

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 06:55:34 584508 4004 1467 596 1941 +76.81 ± 5.04 1 135 873 978 15 +158.96 ± 11.5
ncm-dbt-02 06:56:53 585255 3996 1443 599 1954 +74.5 ± 4.99 2 128 905 950 13 +154.25 ± 11.27
ncm-dbt-03 06:55:16 586854 4000 1415 592 1993 +72.52 ± 5.05 4 138 900 947 11 +150.51 ± 11.32
ncm-dbt-04 06:55:17 571228 4000 1456 615 1929 +74.15 ± 5.02 2 140 880 971 7 +154.7 ± 11.46
ncm-dbt-05 06:56:15 585716 4000 1450 606 1944 +74.43 ± 5.01 0 139 891 957 13 +153.65 ± 11.38
20000 7231 3008 9761 +74.48 ± 2.25 9 680 4449 4803 59 +154.41 ± 5.09

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
401031 ncm-dbt-01 582110 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
401030 ncm-dbt-02 586943 496 183 94 219 +63.03 ± 14.27 1 19 118 110 0 +132.1 ± 31.32
401029 ncm-dbt-03 587325 500 180 79 241 +71.16 ± 14.08 0 18 114 117 1 +147.19 ± 31.9
401028 ncm-dbt-05 584117 500 181 84 235 +68.27 ± 13.68 0 14 128 105 3 +137.37 ± 29.63
401027 ncm-dbt-04 571833 500 187 88 225 +69.71 ± 14.31 1 18 112 119 0 +147.19 ± 32.24
401026 ncm-dbt-01 582360 500 181 79 240 +71.88 ± 13.96 0 16 118 114 2 +147.19 ± 31.23
401025 ncm-dbt-02 586731 500 174 71 255 +72.61 ± 13.84 0 15 119 114 2 +148.85 ± 31.04
401024 ncm-dbt-03 585506 500 169 80 251 +62.51 ± 13.45 0 16 130 103 1 +127.76 ± 29.43
401023 ncm-dbt-05 587070 500 175 73 252 +71.88 ± 14.25 0 19 111 119 1 +148.85 ± 32.4
401022 ncm-dbt-04 573770 500 180 86 234 +66.1 ± 13.15 1 10 134 104 1 +137.37 ± 28.58
401021 ncm-dbt-01 583740 500 177 69 254 +76.25 ± 13.81 0 16 110 124 0 +160.64 ± 32.5
401020 ncm-dbt-02 587877 500 172 73 255 +69.71 ± 14.73 0 20 115 111 4 +138.99 ± 31.79
401019 ncm-dbt-04 570829 500 187 73 240 +80.63 ± 13.94 0 16 104 130 0 +171.02 ± 33.51
401018 ncm-dbt-03 587028 500 187 61 252 +89.48 ± 13.38 0 10 105 134 1 +190.85 ± 33.16
401017 ncm-dbt-05 587579 500 177 83 240 +66.1 ± 14.17 0 20 117 112 1 +135.76 ± 31.48
401016 ncm-dbt-01 585717 500 189 96 215 +65.38 ± 13.86 0 16 128 103 3 +130.94 ± 29.72
401015 ncm-dbt-04 571270 500 181 73 246 +76.25 ± 13.81 0 16 110 124 0 +160.64 ± 32.5
401014 ncm-dbt-02 586646 500 186 59 255 +90.22 ± 14.01 0 14 96 139 1 +192.71 ± 34.94
401013 ncm-dbt-03 585843 500 176 81 243 +66.82 ± 14.06 0 19 118 112 1 +137.37 ± 31.31
401012 ncm-dbt-05 587028 500 179 74 247 +74.06 ± 14.18 0 18 110 121 1 +153.86 ± 32.54
401011 ncm-dbt-01 584622 500 188 62 250 +89.48 ± 14.15 0 12 104 130 4 +185.33 ± 33.42
401010 ncm-dbt-04 570669 500 191 68 241 +87.26 ± 14.4 0 16 97 135 2 +183.51 ± 34.76
401009 ncm-dbt-03 587579 500 174 82 244 +64.66 ± 15.72 2 26 101 120 1 +135.76 ± 33.97
401008 ncm-dbt-02 581485 500 187 81 232 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85
401007 ncm-dbt-05 587197 500 179 72 249 +75.52 ± 14.51 0 17 113 116 4 +152.18 ± 32.04
401006 ncm-dbt-01 585759 500 180 73 247 +75.52 ± 14.65 1 18 105 125 1 +158.93 ± 33.37
401005 ncm-dbt-04 572356 500 179 90 231 +62.51 ± 14.72 0 25 112 112 1 +127.76 ± 32.29
401004 ncm-dbt-03 585506 500 179 68 253 +78.43 ± 14.31 0 17 107 124 2 +162.35 ± 33.02
401003 ncm-dbt-02 586097 500 175 69 256 +74.79 ± 13.62 1 12 117 120 0 +158.93 ± 31.27
401002 ncm-dbt-05 579868 500 186 80 234 +74.79 ± 14.34 0 20 104 126 0 +157.24 ± 33.54
401001 ncm-dbt-01 585506 500 178 76 246 +71.88 ± 14.67 0 23 102 125 0 +150.51 ± 33.87
401000 ncm-dbt-04 569190 500 173 79 248 +66.1 ± 14.73 0 23 112 113 2 +134.15 ± 32.28
400999 ncm-dbt-03 587452 500 183 62 255 +85.78 ± 14.07 1 12 103 133 1 +183.51 ± 33.63
400998 ncm-dbt-05 586308 500 191 72 237 +84.3 ± 13.88 0 13 107 128 2 +176.33 ± 32.93
400997 ncm-dbt-01 586689 500 185 69 246 +82.1 ± 14.7 0 18 101 128 3 +169.27 ± 34.05
400996 ncm-dbt-02 583489 500 186 77 237 +76.97 ± 14.41 0 17 110 120 3 +157.24 ± 32.52
400995 ncm-dbt-03 588600 500 167 79 254 +61.79 ± 14.68 1 20 122 104 3 +124.6 ± 30.76
400994 ncm-dbt-04 569909 500 178 58 264 +85.04 ± 14.2 0 16 99 134 1 +179.9 ± 34.4
400993 ncm-dbt-01 584076 500 187 71 242 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51
400992 ncm-dbt-05 586562 500 182 68 250 +80.63 ± 14.38 0 18 101 130 1 +169.27 ± 34.05
400991 ncm-dbt-02 582778 500 180 75 245 +74.06 ± 13.74 0 15 116 118 1 +153.86 ± 31.51

Commit

Commit ID 5c0388310731ba4bf7989210cb69be67b53bb43d
Author Muzhen Gaming
Date 2024-02-14 20:27:55 UTC
VVLTC search tune Search parameters were tuned using 16k games at VVLTC. They were tuned starting with the new parameters (in search only) of PR #5039. Passed VVLTC: https://tests.stockfishchess.org/tests/view/65c8a8fc1d8e83c78bfcd163 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 20826 W: 5355 L: 5100 D: 10371 Ptnml(0-2): 1, 1941, 6275, 2194, 2 Passed 2nd VVLTC: https://tests.stockfishchess.org/tests/view/65cadc2d1d8e83c78bfcfdaf LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 17710 W: 4611 L: 4352 D: 8747 Ptnml(0-2): 1, 1586, 5422, 1845, 1 STC Elo estimate: https://tests.stockfishchess.org/tests/view/65cb6aed1d8e83c78bfd0802 Elo: -1.46 ± 1.8 (95%) LOS: 5.5% Total: 40000 W: 10267 L: 10435 D: 19298 Ptnml(0-2): 200, 4860, 10023, 4742, 175 nElo: -2.77 ± 3.4 (95%) PairsRatio: 0.97 Bench: 1198939
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