Dev Builds » 20230405-0615

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 06:58:59 584225 4000 1249 786 1965 +40.4 ± 5.24 3 266 1004 719 8 +81.0 ± 10.73
ncm-dbt-02 06:56:13 585204 4000 1204 793 2003 +35.83 ± 5.16 2 274 1042 675 7 +71.52 ± 10.51
ncm-dbt-03 06:59:02 586256 4000 1244 755 2001 +42.69 ± 4.92 0 217 1081 698 4 +85.97 ± 10.24
ncm-dbt-04 06:57:46 570286 4000 1224 768 2008 +39.78 ± 5.15 5 247 1043 697 8 +80.08 ± 10.49
ncm-dbt-05 06:59:37 585881 4000 1261 799 1940 +40.31 ± 5.17 6 250 1024 716 4 +82.1 ± 10.61
20000 6182 3901 9917 +39.8 ± 2.3 16 1254 5194 3505 31 +80.12 ± 4.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
410106 ncm-dbt-03 586181 500 152 94 254 +40.48 ± 13.99 0 28 137 84 1 +80.63 ± 28.81
410105 ncm-dbt-01 585801 500 168 105 227 +44.01 ± 14.99 0 34 120 95 1 +88.0 ± 31.17
410104 ncm-dbt-05 585759 500 169 94 237 +52.51 ± 15.18 2 27 115 106 0 +110.6 ± 31.86
410103 ncm-dbt-04 567047 500 167 101 232 +46.13 ± 14.32 0 27 132 89 2 +90.97 ± 29.47
410102 ncm-dbt-02 587409 500 156 91 253 +45.42 ± 14.41 0 30 125 95 0 +92.46 ± 30.47
410101 ncm-dbt-05 584117 500 161 115 224 +32.06 ± 14.77 1 36 129 84 0 +66.1 ± 29.99
410100 ncm-dbt-01 583321 500 155 89 256 +46.13 ± 14.58 0 31 122 97 0 +93.95 ± 30.89
410099 ncm-dbt-03 587962 500 159 95 246 +44.72 ± 12.97 0 20 146 84 0 +90.97 ± 27.35
410098 ncm-dbt-04 572276 500 150 104 246 +32.05 ± 13.43 0 28 149 72 1 +63.23 ± 27.19
410097 ncm-dbt-02 584034 500 152 84 264 +47.54 ± 14.13 0 25 134 89 2 +93.95 ± 29.15
410096 ncm-dbt-01 584034 500 157 106 237 +35.56 ± 15.25 1 36 126 85 2 +70.44 ± 30.38
410095 ncm-dbt-05 585126 500 146 103 251 +29.95 ± 14.63 1 36 132 81 0 +61.79 ± 29.59
410094 ncm-dbt-03 585169 500 148 93 259 +38.37 ± 14.26 0 31 134 84 1 +76.25 ± 29.26
410093 ncm-dbt-02 584495 500 154 104 242 +34.86 ± 14.83 0 37 127 85 1 +68.99 ± 30.25
410092 ncm-dbt-04 567720 500 160 98 242 +43.31 ± 14.56 1 29 127 93 0 +89.48 ± 30.19
410091 ncm-dbt-03 586308 500 167 106 227 +42.6 ± 13.84 0 26 138 85 1 +85.04 ± 28.63
410090 ncm-dbt-01 585632 500 164 91 245 +51.09 ± 14.72 0 29 120 100 1 +102.97 ± 31.15
410089 ncm-dbt-05 583237 500 150 92 258 +40.48 ± 14.39 1 28 134 86 1 +82.1 ± 29.23
410088 ncm-dbt-02 587749 500 144 96 260 +33.46 ± 14.35 0 34 135 80 1 +66.1 ± 29.17
410087 ncm-dbt-04 571391 500 141 84 275 +39.78 ± 14.87 3 27 130 90 0 +85.04 ± 29.79
410086 ncm-dbt-02 585674 500 164 103 233 +42.6 ± 14.65 0 32 126 91 1 +85.04 ± 30.35
410085 ncm-dbt-01 584622 500 158 103 239 +38.37 ± 14.39 1 29 135 84 1 +77.71 ± 29.11
410084 ncm-dbt-03 586774 500 151 96 253 +38.37 ± 13.86 0 29 137 84 0 +77.71 ± 28.83
410083 ncm-dbt-05 588515 500 160 95 245 +45.42 ± 14.55 0 31 123 96 0 +92.46 ± 30.75
410082 ncm-dbt-04 569509 500 162 97 241 +45.42 ± 14.94 0 31 126 90 3 +88.0 ± 30.34
410081 ncm-dbt-01 581277 500 156 89 255 +46.84 ± 14.49 0 29 126 94 1 +93.95 ± 30.32
410080 ncm-dbt-05 589027 500 152 102 246 +34.86 ± 14.44 1 31 136 81 1 +70.44 ± 29.01
410079 ncm-dbt-02 583405 500 143 100 257 +29.95 ± 15.26 1 41 122 86 0 +61.79 ± 30.91
410078 ncm-dbt-03 585126 500 153 97 250 +39.08 ± 13.62 0 27 140 83 0 +79.17 ± 28.38
410077 ncm-dbt-04 571913 500 153 92 255 +42.6 ± 14.52 0 32 125 93 0 +86.52 ± 30.48
410076 ncm-dbt-03 586731 500 156 95 249 +42.6 ± 14.91 0 34 122 93 1 +85.04 ± 30.9
410075 ncm-dbt-05 586393 500 169 95 236 +51.8 ± 14.08 0 25 126 99 0 +106.01 ± 30.26
410074 ncm-dbt-02 583656 500 148 118 234 +20.87 ± 15.01 1 42 135 70 2 +40.48 ± 29.24
410073 ncm-dbt-01 584832 500 139 107 254 +22.27 ± 15.11 1 44 127 78 0 +46.13 ± 30.28
410072 ncm-dbt-04 569310 500 146 105 249 +28.55 ± 14.41 0 38 133 79 0 +57.5 ± 29.47
410071 ncm-dbt-02 585211 500 143 97 260 +32.05 ± 13.98 0 33 138 79 0 +64.66 ± 28.76
410070 ncm-dbt-03 585801 500 158 79 263 +55.36 ± 13.84 0 22 127 101 0 +113.68 ± 30.06
410069 ncm-dbt-04 573123 500 145 87 268 +40.48 ± 15.42 1 35 121 91 2 +80.63 ± 31.04
410068 ncm-dbt-01 584285 500 152 96 252 +39.08 ± 14.83 0 34 128 86 2 +76.25 ± 30.1
410067 ncm-dbt-05 584874 500 154 103 243 +35.56 ± 14.87 0 36 129 83 2 +68.99 ± 29.98

Commit

Commit ID 9a42bbdf3163222db5e0fa764d48ca0a09a0dec2
Author FauziAkram
Date 2023-04-05 06:15:34 UTC
Parameters Tweak Passed STC LLR: 3.22 (-2.94,2.94) <0.00,2.00> Total: 664048 W: 177526 L: 176301 D: 310221 Ptnml(0-2): 2002, 72968, 180891, 74129, 2034 https://tests.stockfishchess.org/tests/view/64219901db43ab2ba6f901fa Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 77576 W: 21125 L: 20750 D: 35701 Ptnml(0-2): 24, 7350, 23669, 7717, 28 https://tests.stockfishchess.org/tests/view/642abe3377ff3301150d3a16 closes https://github.com/official-stockfish/Stockfish/pull/4493 bench: 4522076
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