Dev Builds » 20230719-1940

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 09:55:29 1219839 3330 1386 303 1641 +117.25 +/- 5.41 0 50 523 1051 41 +255.2 +/- 14.9
ncm-dbt-02 09:52:19 1243010 3314 1415 278 1621 +124.24 +/- 5.09 0 35 475 1122 25 +282.37 +/- 15.63
ncm-dbt-03 09:56:51 1239179 3344 1416 301 1627 +120.45 +/- 5.24 1 36 519 1079 37 +266.57 +/- 14.94
ncm-dbt-04 09:55:49 1220312 3344 1402 304 1638 +118.47 +/- 5.44 2 53 499 1081 37 +260.94 +/- 15.26
ncm-dbt-05 09:51:05 1232689 3322 1432 299 1591 +123.44 +/- 5.51 1 49 477 1084 50 +270.95 +/- 15.61
ncm-dbt-06 09:57:01 1222854 3346 1373 289 1684 +116.76 +/- 5.36 2 45 529 1061 36 +256.22 +/- 14.81
20000 8424 1774 9802 +120.09 +/- 2.18 6 268 3022 6478 226 +265.19 +/- 6.19

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
197078 ncm-dbt-02 1231180 314 140 26 148 +132.16 +/- 16.06 0 3 39 113 2 +310.62 +/- 55.7
197077 ncm-dbt-01 1213188 330 143 29 158 +125.17 +/- 17.75 0 6 44 110 5 +275.83 +/- 52.15
197076 ncm-dbt-05 1244947 322 148 24 150 +141.06 +/- 16.58 0 3 36 117 5 +329.56 +/- 58.14
197075 ncm-dbt-04 1211822 344 151 27 166 +131.13 +/- 16.52 0 4 45 118 5 +295.85 +/- 51.67
197074 ncm-dbt-06 1247847 346 157 24 165 +140.78 +/- 17.42 0 4 41 119 9 +313.02 +/- 54.26
197073 ncm-dbt-03 1240287 344 148 29 167 +125.36 +/- 15.38 0 4 46 121 1 +292.0 +/- 51.07
197072 ncm-dbt-02 1255875 500 211 49 240 +116.77 +/- 12.28 0 1 89 157 3 +261.07 +/- 35.67
197071 ncm-dbt-01 1237621 500 198 48 254 +107.54 +/- 14.21 0 8 91 144 7 +226.0 +/- 35.82
197070 ncm-dbt-05 1210203 500 213 48 239 +119.11 +/- 14.36 0 8 77 157 8 +256.44 +/- 39.15
197069 ncm-dbt-04 1229989 500 212 43 245 +122.24 +/- 13.3 0 7 70 170 3 +277.93 +/- 41.14
197068 ncm-dbt-06 1206982 500 201 40 259 +116.0 +/- 14.37 0 9 78 156 7 +249.64 +/- 38.9
197067 ncm-dbt-03 1241041 500 204 41 255 +117.55 +/- 13.36 1 5 76 166 2 +268.17 +/- 39.39
197066 ncm-dbt-01 1193544 500 212 44 244 +121.45 +/- 13.49 0 5 78 161 6 +268.17 +/- 38.8
197065 ncm-dbt-05 1241047 500 214 45 241 +122.24 +/- 14.33 0 10 67 167 6 +270.57 +/- 41.96
197064 ncm-dbt-02 1259233 500 220 40 240 +130.94 +/- 12.17 0 3 66 179 2 +309.64 +/- 42.33
197063 ncm-dbt-06 1225418 500 205 44 251 +116.0 +/- 13.37 0 4 87 153 6 +251.89 +/- 36.48
197062 ncm-dbt-04 1207055 500 207 47 246 +115.23 +/- 15.31 1 11 73 157 8 +247.41 +/- 40.14
197061 ncm-dbt-03 1237725 500 215 47 238 +121.45 +/- 13.31 0 3 83 157 7 +265.78 +/- 37.35
197060 ncm-dbt-01 1219673 500 198 41 261 +112.91 +/- 13.56 0 10 74 165 1 +254.16 +/- 39.94
197059 ncm-dbt-05 1221407 500 212 46 242 +119.89 +/- 14.19 0 7 78 157 8 +258.75 +/- 38.88
197058 ncm-dbt-02 1224126 500 222 40 238 +132.54 +/- 14.01 0 6 65 170 9 +295.94 +/- 42.75
197057 ncm-dbt-03 1228548 500 207 45 248 +116.77 +/- 14.21 0 10 73 162 5 +256.44 +/- 40.21
197056 ncm-dbt-06 1215375 500 203 41 256 +116.77 +/- 14.37 0 10 74 160 6 +254.16 +/- 39.94
197055 ncm-dbt-04 1209265 500 206 48 246 +113.68 +/- 14.22 1 8 77 160 4 +251.89 +/- 39.16
197054 ncm-dbt-01 1242471 500 211 44 245 +120.67 +/- 14.51 0 8 76 157 9 +258.75 +/- 39.42
197053 ncm-dbt-05 1233152 500 215 49 236 +119.89 +/- 14.83 0 9 76 155 10 +254.16 +/- 39.42
197052 ncm-dbt-02 1222036 500 201 36 263 +119.11 +/- 13.17 0 6 76 165 3 +268.17 +/- 39.39
197051 ncm-dbt-03 1220321 500 203 50 247 +109.83 +/- 13.56 0 9 81 158 2 +243.0 +/- 38.14
197050 ncm-dbt-06 1225287 500 208 49 243 +114.45 +/- 14.21 1 8 76 161 4 +254.16 +/- 39.42
197049 ncm-dbt-04 1239601 500 206 47 247 +114.45 +/- 14.21 0 9 79 156 6 +247.41 +/- 38.64
197048 ncm-dbt-05 1217651 500 210 43 247 +120.67 +/- 14.35 1 7 72 164 6 +268.17 +/- 40.54
197047 ncm-dbt-01 1214370 500 215 48 237 +120.67 +/- 13.15 0 4 80 161 5 +268.17 +/- 38.21
197046 ncm-dbt-06 1230973 500 201 48 251 +109.83 +/- 12.52 0 5 87 158 0 +247.41 +/- 36.56
197045 ncm-dbt-02 1249259 500 209 34 257 +126.97 +/- 13.04 0 6 66 175 3 +293.29 +/- 42.41
197044 ncm-dbt-04 1212762 500 200 43 257 +112.91 +/- 14.69 0 12 75 157 6 +243.0 +/- 39.61
197043 ncm-dbt-03 1260097 500 216 48 236 +121.45 +/- 13.31 0 2 86 154 8 +263.42 +/- 36.51
197042 ncm-dbt-05 1260419 500 220 44 236 +127.76 +/- 13.57 0 5 71 167 7 +285.49 +/- 40.81
197041 ncm-dbt-01 1218006 500 209 49 242 +115.22 +/- 14.53 0 9 80 153 8 +245.2 +/- 38.39
197040 ncm-dbt-04 1231692 500 220 49 231 +123.81 +/- 12.73 0 2 80 163 5 +277.93 +/- 38.02
197039 ncm-dbt-02 1259364 500 212 53 235 +114.45 +/- 13.89 0 10 74 163 3 +254.16 +/- 39.94
197038 ncm-dbt-03 1246238 500 223 41 236 +132.54 +/- 14.01 0 3 74 161 12 +288.06 +/- 39.79
197037 ncm-dbt-06 1208096 500 198 43 259 +111.37 +/- 13.73 1 5 86 154 4 +245.2 +/- 36.85

Commit

Commit ID 5ea1cbc778508a9a7b720becaf22dd96a4472826
Author Michael Chaly
Date 2023-07-19 19:40:38 UTC
Do more futility pruning for cutNodes that are not in TT This is somewhat similar to IIR for cutnodes but instead of reducing depth for cutnodes that don't have tt move we reduce margin multiplier in futility pruning for cutnodes that are not in TT. Passed STC: https://tests.stockfishchess.org/tests/view/64b244b90cdec37b95734c5b LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 75552 W: 19404 L: 19029 D: 37119 Ptnml(0-2): 233, 8806, 19378, 9071, 288 Passed LTC: https://tests.stockfishchess.org/tests/view/64b3ae5a0cdec37b95736516 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 104988 W: 27152 L: 26697 D: 51139 Ptnml(0-2): 41, 11259, 29446, 11700, 48 closes https://github.com/official-stockfish/Stockfish/pull/4700 bench 1727577
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