Dev Builds » 20230505-0512

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 09:53:41 1202512 3338 1428 291 1619 +123.27 +/- 5.31 0 45 480 1106 38 +274.52 +/- 15.56
ncm-dbt-02 09:49:01 1230202 3298 1385 304 1609 +118.24 +/- 5.25 0 40 519 1059 31 +261.51 +/- 14.94
ncm-dbt-03 09:54:01 1234559 3328 1403 301 1624 +119.55 +/- 5.29 0 43 512 1073 36 +263.78 +/- 15.05
ncm-dbt-04 09:55:20 1234112 3332 1390 269 1673 +121.63 +/- 5.27 1 45 482 1108 30 +272.67 +/- 15.53
ncm-dbt-05 10:04:03 1231889 3362 1421 295 1646 +121.03 +/- 5.29 0 45 503 1095 38 +267.71 +/- 15.2
ncm-dbt-06 09:55:37 1226290 3342 1395 309 1638 +117.15 +/- 5.56 2 54 519 1048 48 +253.24 +/- 14.96
20000 8422 1769 9809 +120.14 +/- 2.18 3 272 3015 6489 221 +265.48 +/- 6.2

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
186535 ncm-dbt-02 1217292 298 125 24 149 +122.6 +/- 19.44 0 6 42 95 6 +262.0 +/- 53.39
186534 ncm-dbt-03 1240469 328 129 29 170 +109.4 +/- 16.04 0 4 57 102 1 +242.82 +/- 45.44
186533 ncm-dbt-04 1242023 332 139 17 176 +133.93 +/- 15.81 0 4 38 122 2 +317.44 +/- 56.43
186532 ncm-dbt-01 1209288 338 145 24 169 +130.14 +/- 16.74 0 5 42 118 4 +296.15 +/- 53.5
186531 ncm-dbt-06 1220600 342 141 39 162 +106.87 +/- 17.93 0 7 61 97 6 +220.58 +/- 44.01
186530 ncm-dbt-05 1212503 362 153 38 171 +114.33 +/- 15.38 0 2 66 109 4 +248.11 +/- 41.73
186523 ncm-dbt-02 1229117 500 206 61 233 +103.73 +/- 13.22 0 5 99 142 4 +221.9 +/- 33.98
186522 ncm-dbt-03 1256282 500 216 53 231 +117.55 +/- 14.69 0 10 75 157 8 +251.89 +/- 39.67
186521 ncm-dbt-04 1225525 500 201 40 259 +116.0 +/- 14.05 0 9 76 160 5 +254.16 +/- 39.42
186520 ncm-dbt-01 1194258 500 207 49 244 +113.68 +/- 14.22 0 8 83 152 7 +243.0 +/- 37.64
186519 ncm-dbt-06 1224852 500 223 40 237 +133.34 +/- 15.02 1 4 70 161 14 +288.06 +/- 41.11
186518 ncm-dbt-05 1244808 500 210 47 243 +117.55 +/- 14.37 0 8 79 155 8 +251.89 +/- 38.63
186511 ncm-dbt-02 1233757 500 212 48 240 +118.33 +/- 13.7 0 8 74 164 4 +263.42 +/- 39.97
186510 ncm-dbt-03 1214087 500 216 43 241 +125.38 +/- 13.43 0 6 70 169 5 +282.94 +/- 41.13
186509 ncm-dbt-04 1234134 500 214 40 246 +126.17 +/- 13.42 0 6 69 170 5 +285.49 +/- 41.44
186508 ncm-dbt-01 1174680 500 221 35 244 +135.75 +/- 12.81 0 0 73 168 9 +306.84 +/- 39.69
186506 ncm-dbt-06 1233076 500 206 43 251 +117.55 +/- 15.0 1 10 71 161 7 +256.44 +/- 40.73
186503 ncm-dbt-05 1243114 500 218 42 240 +127.76 +/- 13.21 0 4 72 168 6 +288.06 +/- 40.46
186499 ncm-dbt-02 1226231 500 208 47 245 +116.0 +/- 12.66 0 3 86 158 3 +258.75 +/- 36.62
186497 ncm-dbt-03 1227258 500 215 41 244 +126.17 +/- 12.49 0 3 73 171 3 +290.66 +/- 40.08
186496 ncm-dbt-01 1219331 500 220 43 237 +128.55 +/- 13.19 0 6 65 175 4 +295.94 +/- 42.75
186495 ncm-dbt-04 1220884 500 203 40 257 +117.55 +/- 13.7 0 9 72 166 3 +263.42 +/- 40.52
186492 ncm-dbt-06 1231971 500 215 43 242 +124.6 +/- 13.62 0 6 72 166 6 +277.93 +/- 40.53
186490 ncm-dbt-05 1231961 500 205 52 243 +109.83 +/- 14.06 0 10 81 155 4 +238.66 +/- 38.15
186485 ncm-dbt-02 1224026 500 213 47 240 +119.89 +/- 13.33 0 6 76 164 4 +268.17 +/- 39.39
186483 ncm-dbt-03 1232184 500 213 39 248 +126.17 +/- 13.42 0 4 75 164 7 +280.42 +/- 39.57
186482 ncm-dbt-04 1237953 500 215 47 238 +121.45 +/- 12.77 0 4 77 166 3 +275.45 +/- 39.01
186481 ncm-dbt-01 1214136 500 209 47 244 +116.77 +/- 13.88 0 8 77 160 5 +256.44 +/- 39.15
186479 ncm-dbt-06 1210244 500 199 49 252 +107.54 +/- 13.56 0 7 90 149 4 +232.26 +/- 35.99
186478 ncm-dbt-05 1223646 500 220 33 247 +136.56 +/- 14.1 0 7 58 176 9 +309.64 +/- 45.27
186471 ncm-dbt-02 1256751 500 212 37 251 +126.97 +/- 13.58 0 5 72 166 7 +282.94 +/- 40.5
186470 ncm-dbt-04 1246347 500 202 40 258 +116.78 +/- 13.71 1 6 76 164 3 +263.42 +/- 39.41
186469 ncm-dbt-01 1214349 500 217 42 241 +126.97 +/- 13.76 0 9 61 176 4 +290.66 +/- 44.0
186468 ncm-dbt-03 1230557 500 208 58 234 +107.54 +/- 14.98 0 12 84 146 8 +223.94 +/- 37.43
186467 ncm-dbt-06 1241690 500 201 55 244 +104.49 +/- 14.04 0 9 91 145 5 +221.9 +/- 35.86
186464 ncm-dbt-05 1233499 500 206 46 248 +115.22 +/- 13.38 0 6 82 158 4 +254.16 +/- 37.82
186459 ncm-dbt-02 1224241 500 209 40 251 +122.24 +/- 13.3 0 7 70 170 3 +277.93 +/- 41.14
186458 ncm-dbt-03 1241080 500 206 38 256 +121.45 +/- 12.95 0 4 78 164 4 +273.0 +/- 38.74
186457 ncm-dbt-01 1191542 500 209 51 240 +113.68 +/- 14.05 0 9 79 157 5 +247.41 +/- 38.64
186456 ncm-dbt-04 1231920 500 216 45 239 +123.81 +/- 14.32 0 7 74 160 9 +268.17 +/- 39.97
186454 ncm-dbt-06 1221600 500 210 40 250 +123.02 +/- 14.49 0 11 64 169 6 +273.0 +/- 42.83
186452 ncm-dbt-05 1233697 500 209 37 254 +124.6 +/- 13.45 0 8 65 174 3 +285.49 +/- 42.7

Commit

Commit ID 2429e162890478a48ab9b1cf0c431de9ebaf9429
Author Michael Chaly
Date 2023-05-05 05:12:47 UTC
Reduce more if current node has a lot of refuted moves. This patch refines idea of cutoff count - in master we reduce more if current node has at least 4 moves that are refuted by search, this patch increases this count by 1 if refutation happened without having a tt move. Passed STC: https://tests.stockfishchess.org/tests/view/645363c36206ee34ebf8191d LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 67616 W: 18220 L: 17874 D: 31522 Ptnml(0-2): 142, 7346, 18504, 7656, 160 Passed LTC: https://tests.stockfishchess.org/tests/view/6453a0ea6206ee34ebf82796 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 195228 W: 52741 L: 52140 D: 90347 Ptnml(0-2): 53, 18718, 59482, 19297, 64 closes https://github.com/official-stockfish/Stockfish/pull/4556 bench 3448916
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