Dev Builds » 20230520-0819

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:01:11 1138062 3364 1394 315 1655 +115.52 ± 5.52 2 58 523 1057 42 +250.61 ± 14.91
ncm-dbt-02 09:48:14 1234836 3294 1382 317 1595 +116.51 ± 5.46 0 53 514 1042 38 +253.91 ± 15.03
ncm-dbt-03 09:56:02 1235085 3330 1382 274 1674 +120.18 ± 5.4 1 44 509 1068 43 +263.56 ± 15.1
ncm-dbt-04 09:58:21 1230802 3354 1390 292 1672 +118.09 ± 5.31 1 44 524 1072 36 +259.83 ± 14.88
ncm-dbt-05 09:51:57 1230985 3296 1401 296 1599 +121.16 ± 5.58 1 53 483 1062 49 +264.23 ± 15.52
ncm-dbt-06 09:57:58 1232546 3362 1426 322 1614 +118.48 ± 5.39 1 49 516 1075 40 +259.65 ± 15.0
20000 8375 1816 9809 +118.31 ± 2.22 6 301 3069 6376 248 +258.58 ± 6.15

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
188298 ncm-dbt-02 1219124 294 128 30 136 +120.41 ± 18.57 0 4 46 92 5 +259.13 ± 50.95
188297 ncm-dbt-05 1232819 296 123 25 148 +119.53 ± 19.55 0 7 41 95 5 +256.66 ± 53.92
188296 ncm-dbt-03 1231955 330 138 32 160 +115.69 ± 18.13 0 4 59 94 8 +237.55 ± 44.58
188295 ncm-dbt-04 1212770 354 150 30 174 +122.62 ± 15.17 0 1 59 113 4 +272.62 ± 44.23
188294 ncm-dbt-01 1146765 364 148 34 182 +112.59 ± 15.62 0 4 63 112 3 +246.24 ± 43.14
188293 ncm-dbt-06 1212045 362 147 30 185 +116.46 ± 15.93 0 7 51 122 1 +263.94 ± 48.32
188286 ncm-dbt-02 1245527 500 201 50 249 +108.3 ± 14.37 0 11 82 152 5 +232.26 ± 37.9
188285 ncm-dbt-05 1220156 500 221 45 234 +127.76 ± 13.92 0 8 64 172 6 +288.06 ± 43.03
188284 ncm-dbt-03 1233923 500 208 37 255 +123.81 ± 14.32 1 5 74 162 8 +273.0 ± 39.95
188279 ncm-dbt-01 1136664 500 204 47 249 +112.91 ± 14.54 0 9 83 150 8 +238.66 ± 37.66
188278 ncm-dbt-04 1235404 500 206 35 259 +123.81 ± 14.15 1 4 76 161 8 +273.0 ± 39.35
188276 ncm-dbt-06 1227544 500 218 42 240 +127.76 ± 13.02 0 5 68 173 4 +293.29 ± 41.75
188274 ncm-dbt-02 1235825 500 205 44 251 +116.0 ± 14.05 0 10 73 163 4 +256.44 ± 40.21
188272 ncm-dbt-05 1227623 500 206 48 246 +113.68 ± 14.69 1 8 80 154 7 +245.2 ± 38.39
188268 ncm-dbt-03 1233705 500 200 33 267 +120.67 ± 13.67 0 7 74 164 5 +268.17 ± 39.97
188265 ncm-dbt-04 1238601 500 211 45 244 +119.89 ± 14.83 0 9 76 155 10 +254.16 ± 39.42
188264 ncm-dbt-01 1129851 500 218 53 229 +119.11 ± 14.68 0 10 73 159 8 +256.44 ± 40.21
188263 ncm-dbt-06 1236875 500 221 53 226 +121.45 ± 14.34 0 9 71 163 7 +265.78 ± 40.81
188258 ncm-dbt-02 1233579 500 213 47 240 +119.89 ± 13.68 0 8 72 166 4 +268.17 ± 40.54
188255 ncm-dbt-05 1241619 500 228 50 222 +129.35 ± 14.24 0 6 70 164 10 +282.94 ± 41.13
188254 ncm-dbt-03 1227368 500 201 48 251 +109.83 ± 13.73 0 9 82 156 3 +240.82 ± 37.9
188253 ncm-dbt-01 1129686 500 214 48 238 +119.89 ± 14.19 0 6 81 154 9 +256.44 ± 38.07
188252 ncm-dbt-04 1240223 500 193 40 267 +109.83 ± 13.23 0 7 85 156 2 +243.0 ± 37.13
188251 ncm-dbt-06 1241386 500 215 46 239 +122.24 ± 13.66 0 6 75 163 6 +270.57 ± 39.67
188244 ncm-dbt-02 1252356 500 222 50 228 +124.6 ± 14.31 0 7 73 161 9 +270.57 ± 40.25
188243 ncm-dbt-05 1244625 500 208 52 240 +112.14 ± 14.69 0 10 82 150 8 +236.51 ± 37.9
188242 ncm-dbt-03 1236301 500 211 44 245 +120.67 ± 13.5 0 5 79 160 6 +265.78 ± 38.54
188241 ncm-dbt-01 1141917 500 197 58 245 +99.2 ± 15.19 1 15 82 148 4 +211.87 ± 37.79
188240 ncm-dbt-06 1254788 500 212 45 243 +120.67 ± 12.97 0 4 79 163 4 +270.57 ± 38.47
188239 ncm-dbt-04 1217099 500 207 44 249 +117.55 ± 13.7 0 8 75 163 4 +261.07 ± 39.69
188232 ncm-dbt-02 1234599 500 202 54 244 +106.01 ± 14.36 0 9 91 143 7 +221.9 ± 35.86
188231 ncm-dbt-05 1228056 500 217 35 248 +132.54 ± 12.71 0 2 70 172 6 +304.07 ± 40.91
188230 ncm-dbt-03 1230526 500 212 38 250 +126.17 ± 14.29 0 7 71 163 9 +275.45 ± 40.84
188229 ncm-dbt-04 1247107 500 207 53 240 +110.6 ± 13.56 0 7 86 153 4 +240.82 ± 36.9
188228 ncm-dbt-06 1232330 500 208 57 235 +108.3 ± 15.13 1 11 81 150 7 +230.16 ± 38.13
188227 ncm-dbt-01 1133696 500 212 41 247 +123.81 ± 13.81 0 6 74 163 7 +273.0 ± 39.95
188220 ncm-dbt-02 1222844 500 211 42 247 +122.24 ± 12.94 0 4 77 165 4 +275.45 ± 39.01
188219 ncm-dbt-05 1221998 500 198 41 261 +112.91 ± 14.85 0 12 76 155 7 +240.82 ± 39.35
188218 ncm-dbt-03 1251822 500 212 42 246 +123.02 ± 13.47 0 7 70 169 4 +277.93 ± 41.14
188217 ncm-dbt-06 1222857 500 205 49 246 +112.14 ± 14.69 0 7 91 141 11 +230.16 ± 35.78
188216 ncm-dbt-04 1224415 500 216 45 239 +123.81 ± 13.63 0 8 67 171 4 +280.42 ± 42.05
188215 ncm-dbt-01 1147860 500 201 34 265 +120.67 ± 14.01 1 8 67 171 3 +275.45 ± 42.01

Commit

Commit ID df0fb8471e5015bb4ba0b398c203b7faad45840e
Author Michael Chaly
Date 2023-05-20 08:19:03 UTC
Small simplification in low depth pruning Uncap low depth pruning lmr depth. It's anyway capped for most cases apart from futility pruning for captures - removes one std::min call. Passed STC: https://tests.stockfishchess.org/tests/view/645e8fa6d55cccb2e64225a1 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 184064 W: 49039 L: 48982 D: 86043 Ptnml(0-2): 462, 20353, 50349, 20402, 466 Passed LTC: https://tests.stockfishchess.org/tests/view/645f4d48d55cccb2e6423335 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 83886 W: 22613 L: 22465 D: 38808 Ptnml(0-2): 31, 8090, 25546, 8252, 24 closes https://github.com/official-stockfish/Stockfish/pull/4566 bench 3201883
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