Dev Builds » 20240104-1449

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 09:47:53 1214245 3338 1452 245 1641 +131.58 ± 5.3 1 36 436 1147 49 +297.56 ± 16.33
ncm-dbt-02 09:43:30 1230720 3316 1450 258 1608 +130.73 ± 5.41 1 34 454 1110 59 +290.63 ± 16.0
ncm-dbt-03 09:48:07 1238325 3344 1464 243 1637 +133.0 ± 5.19 0 25 455 1138 54 +299.95 ± 15.96
ncm-dbt-04 09:48:00 1227848 3342 1454 275 1613 +128.07 ± 5.13 0 35 456 1146 34 +291.46 ± 15.96
ncm-dbt-05 09:43:45 1236813 3316 1457 224 1635 +135.69 ± 5.2 1 27 418 1162 50 +311.14 ± 16.68
ncm-dbt-06 09:47:57 1224214 3344 1464 259 1621 +131.08 ± 5.22 0 30 457 1135 50 +295.13 ± 15.94
20000 8741 1504 9755 +131.68 ± 2.14 3 187 2676 6838 296 +297.55 ± 6.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
244030 ncm-dbt-02 1224651 316 131 24 161 +122.47 ± 17.66 0 4 48 101 5 +266.71 ± 49.86
244029 ncm-dbt-05 1230699 316 144 17 155 +147.97 ± 15.2 0 0 36 117 5 +356.33 ± 57.72
244028 ncm-dbt-01 1215302 338 151 26 161 +134.88 ± 16.61 0 4 41 119 5 +308.28 ± 54.25
244027 ncm-dbt-04 1222210 342 150 24 168 +134.31 ± 16.82 0 4 43 118 6 +302.53 ± 52.92
244026 ncm-dbt-06 1239299 344 149 23 172 +133.45 ± 15.47 0 2 46 120 4 +307.75 ± 50.96
244025 ncm-dbt-03 1223141 344 143 22 179 +127.66 ± 15.65 0 2 51 115 4 +288.21 ± 48.15
244024 ncm-dbt-05 1229420 500 222 44 234 +129.35 ± 13.9 0 7 65 171 7 +290.66 ± 42.73
244023 ncm-dbt-02 1218716 500 226 38 236 +137.37 ± 14.95 1 6 59 172 12 +306.84 ± 44.88
244022 ncm-dbt-01 1197907 500 219 42 239 +128.55 ± 13.19 0 4 71 169 6 +290.66 ± 40.76
244021 ncm-dbt-04 1240201 500 211 35 254 +127.76 ± 13.02 0 4 71 170 5 +290.66 ± 40.76
244020 ncm-dbt-03 1258008 500 215 36 249 +130.14 ± 13.34 0 4 70 169 7 +293.29 ± 41.07
244019 ncm-dbt-06 1220303 500 211 38 251 +125.38 ± 13.07 0 3 77 164 6 +280.42 ± 38.93
244018 ncm-dbt-05 1231753 500 225 29 246 +143.89 ± 13.12 1 2 54 186 7 +346.12 ± 47.1
244017 ncm-dbt-02 1211802 500 222 46 232 +127.76 ± 13.39 0 4 73 166 7 +285.49 ± 40.16
244016 ncm-dbt-01 1219658 500 215 33 252 +132.54 ± 13.65 0 4 69 168 9 +295.94 ± 41.39
244015 ncm-dbt-06 1216280 500 225 34 241 +139.81 ± 12.87 0 2 63 177 8 +324.17 ± 43.32
244014 ncm-dbt-04 1248251 500 212 43 245 +122.24 ± 13.48 0 6 74 165 5 +273.0 ± 39.95
244013 ncm-dbt-03 1240625 500 220 43 237 +128.55 ± 12.82 0 1 78 164 7 +288.06 ± 38.42
244012 ncm-dbt-05 1227264 500 221 30 249 +139.81 ± 13.45 0 3 63 174 10 +318.25 ± 43.39
244011 ncm-dbt-02 1238352 500 214 36 250 +129.35 ± 12.8 0 3 71 171 5 +295.94 ± 40.69
244010 ncm-dbt-01 1198483 500 214 40 246 +126.17 ± 13.6 0 7 67 171 5 +285.49 ± 42.08
244009 ncm-dbt-06 1226840 500 225 44 231 +131.74 ± 14.71 0 7 67 164 12 +285.49 ± 42.08
244008 ncm-dbt-03 1246096 500 226 41 233 +134.95 ± 14.82 0 8 61 169 12 +295.94 ± 44.08
244007 ncm-dbt-04 1229587 500 216 46 238 +123.02 ± 13.47 0 7 70 169 4 +277.93 ± 41.14
244006 ncm-dbt-02 1229192 500 222 38 240 +134.15 ± 13.8 0 5 65 171 9 +301.33 ± 42.75
244005 ncm-dbt-05 1226675 500 223 38 239 +134.95 ± 13.78 0 5 64 172 9 +304.07 ± 43.1
244004 ncm-dbt-03 1233585 500 224 40 236 +134.15 ± 13.24 0 3 68 171 8 +304.07 ± 41.65
244003 ncm-dbt-01 1235941 500 213 36 251 +128.55 ± 12.82 0 3 72 170 5 +293.29 ± 40.39
244002 ncm-dbt-06 1241553 500 221 39 240 +132.54 ± 12.71 0 2 70 172 6 +304.07 ± 40.91
244001 ncm-dbt-04 1208209 500 217 51 232 +119.89 ± 13.51 0 7 74 165 4 +268.17 ± 39.97
244000 ncm-dbt-02 1245825 500 221 36 243 +134.95 ± 13.78 0 5 64 172 9 +304.07 ± 43.1
243999 ncm-dbt-05 1248379 500 211 32 257 +130.14 ± 13.34 0 4 70 169 7 +293.29 ± 41.07
243998 ncm-dbt-01 1196695 500 216 28 256 +137.37 ± 14.08 0 7 57 177 9 +312.48 ± 45.66
243997 ncm-dbt-03 1224109 500 207 28 265 +130.14 ± 12.59 0 4 66 177 3 +304.07 ± 42.38
243996 ncm-dbt-06 1201126 500 218 40 242 +129.35 ± 14.24 0 6 70 164 10 +282.94 ± 41.13
243995 ncm-dbt-04 1215546 500 222 28 250 +142.25 ± 11.73 0 1 58 187 4 +346.12 ± 45.18
243994 ncm-dbt-02 1246506 500 214 40 246 +126.17 ± 14.79 0 7 74 157 12 +268.17 ± 39.97
243993 ncm-dbt-05 1263502 500 211 34 255 +128.55 ± 13.38 0 6 66 173 5 +293.29 ± 42.41
243992 ncm-dbt-01 1235730 500 224 40 236 +134.15 ± 14.84 1 7 59 173 10 +301.33 ± 44.81
243991 ncm-dbt-03 1242712 500 229 33 238 +143.89 ± 13.89 0 3 61 173 13 +324.17 ± 44.15
243990 ncm-dbt-06 1224103 500 215 41 244 +126.17 ± 13.6 0 8 64 174 4 +288.06 ± 43.03
243989 ncm-dbt-04 1230937 500 226 48 226 +129.35 ± 13.54 0 6 66 172 6 +293.29 ± 42.41

Commit

Commit ID 28f8663f3947e716fefe392a463060dc12e39849
Author Viren6
Date 2024-01-04 14:49:33 UTC
Modify ttPV reduction This patch modifies ttPV reduction by reducing 1 more unless ttValue is above alpha. Inspired from @pb00068 https://tests.stockfishchess.org/tests/view/658060796a3b4f6202215f1f Passed STC: https://tests.stockfishchess.org/tests/view/6591867679aa8af82b958328 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 37856 W: 9727 L: 9407 D: 18722 Ptnml(0-2): 99, 4444, 9568, 4672, 145 Passed LTC: https://tests.stockfishchess.org/tests/view/6591d9b679aa8af82b958a6c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 128256 W: 32152 L: 31639 D: 64465 Ptnml(0-2): 64, 14364, 34772, 14851, 77 closes https://github.com/official-stockfish/Stockfish/pull/4957 Bench: 1176235
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