Dev Builds » 20200706-1556

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 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:25:33 1963622 3347 2135 53 1159 +253.05 ± 9.92
ncm-et-4 08:26:06 1967915 3342 2116 50 1176 +250.87 ± 9.84
ncm-et-9 08:25:47 1969163 3352 2165 51 1136 +257.98 ± 10.03
ncm-et-10 08:26:20 1961934 3304 2120 43 1141 +256.81 ± 9.98
ncm-et-13 08:25:48 1962620 3340 2137 57 1146 +253.45 ± 9.99
ncm-et-15 08:25:32 1967499 3315 2145 40 1130 +260.49 ± 10.03
20000 12818 294 6888 +255.41 ± 4.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
133655 ncm-et-10 2020-07-07 01:10 00:46:58 1954804 304 198 3 103 +264.27 ± 33.39
133654 ncm-et-15 2020-07-07 01:09 00:47:17 1971433 315 202 0 113 +264.16 ± 31.45
133653 ncm-et-4 2020-07-07 01:05 00:51:02 1963846 342 221 4 117 +260.2 ± 31.33
133652 ncm-et-13 2020-07-07 01:05 00:51:17 1964921 340 222 5 113 +262.38 ± 31.99
133651 ncm-et-3 2020-07-07 01:04 00:52:11 1966002 347 215 3 129 +246.83 ± 29.6
133650 ncm-et-9 2020-07-07 01:03 00:53:18 1972030 352 216 5 131 +240.52 ± 29.5
133649 ncm-et-15 2020-07-06 23:53 01:15:06 1964027 500 326 3 171 +266.97 ± 25.75
133648 ncm-et-10 2020-07-06 23:53 01:15:37 1969705 500 318 5 177 +255.3 ± 25.34
133647 ncm-et-13 2020-07-06 23:50 01:14:27 1965843 500 332 4 164 +273.0 ± 26.4
133646 ncm-et-4 2020-07-06 23:48 01:15:59 1973277 500 333 13 154 +263.42 ± 27.54
133645 ncm-et-3 2020-07-06 23:48 01:15:01 1963379 500 327 5 168 +265.78 ± 26.09
133644 ncm-et-9 2020-07-06 23:47 01:15:16 1968629 500 326 7 167 +262.24 ± 26.25
133643 ncm-et-15 2020-07-06 22:37 01:15:31 1962469 500 320 9 171 +253.02 ± 25.97
133642 ncm-et-10 2020-07-06 22:35 01:16:20 1970788 500 310 2 188 +249.64 ± 24.35
133641 ncm-et-13 2020-07-06 22:32 01:16:33 1962610 500 304 9 187 +235.45 ± 24.71
133640 ncm-et-4 2020-07-06 22:32 01:15:28 1966541 500 316 2 182 +256.44 ± 24.81
133639 ncm-et-3 2020-07-06 22:31 01:15:41 1962456 500 323 11 166 +254.16 ± 26.44
133638 ncm-et-9 2020-07-06 22:30 01:15:29 1967550 500 319 9 172 +251.89 ± 25.88
133637 ncm-et-15 2020-07-06 21:18 01:17:10 1961227 500 316 7 177 +250.77 ± 25.42
133636 ncm-et-10 2020-07-06 21:18 01:16:29 1969087 500 328 8 164 +263.42 ± 26.54
133635 ncm-et-4 2020-07-06 21:15 01:15:19 1970169 500 320 7 173 +255.3 ± 25.74
133634 ncm-et-13 2020-07-06 21:15 01:15:49 1964611 500 310 14 176 +236.51 ± 25.67
133633 ncm-et-3 2020-07-06 21:15 01:15:42 1964610 500 323 9 168 +256.44 ± 26.22
133632 ncm-et-9 2020-07-06 21:13 01:16:08 1969715 500 323 8 169 +257.59 ± 26.11
133631 ncm-et-10 2020-07-06 20:01 01:16:12 1958929 500 326 11 163 +257.59 ± 26.7
133630 ncm-et-15 2020-07-06 20:00 01:17:23 1976390 500 327 8 165 +262.24 ± 26.45
133629 ncm-et-13 2020-07-06 19:59 01:14:42 1960016 500 321 10 169 +253.02 ± 26.16
133628 ncm-et-3 2020-07-06 19:58 01:15:30 1960307 500 328 6 166 +265.78 ± 26.3
133627 ncm-et-4 2020-07-06 19:57 01:16:51 1969406 500 304 4 192 +240.82 ± 24.16
133626 ncm-et-9 2020-07-06 19:56 01:15:36 1966464 500 325 11 164 +256.44 ± 26.61
133625 ncm-et-10 2020-07-06 18:42 01:17:36 1955721 500 329 6 165 +266.97 ± 26.39
133624 ncm-et-15 2020-07-06 18:41 01:17:26 1966304 500 325 9 166 +258.75 ± 26.39
133623 ncm-et-4 2020-07-06 18:41 01:15:19 1969101 500 313 9 178 +245.2 ± 25.4
133622 ncm-et-3 2020-07-06 18:41 01:16:05 1963686 500 314 9 177 +246.3 ± 25.48
133621 ncm-et-13 2020-07-06 18:41 01:17:45 1956807 500 319 11 170 +249.64 ± 26.1
133620 ncm-et-9 2020-07-06 18:41 01:14:43 1965396 500 325 7 168 +261.07 ± 26.16
133619 ncm-et-15 2020-07-06 17:25 01:15:39 1970649 500 329 4 167 +269.37 ± 26.13
133618 ncm-et-3 2020-07-06 17:24 01:15:23 1964918 500 305 10 185 +235.45 ± 24.89
133617 ncm-et-13 2020-07-06 17:24 01:15:15 1963532 500 329 4 167 +269.37 ± 26.13
133616 ncm-et-9 2020-07-06 17:24 01:15:17 1974362 500 331 4 165 +271.78 ± 26.31
133615 ncm-et-4 2020-07-06 17:24 01:16:08 1963070 500 309 11 180 +238.66 ± 25.3
133614 ncm-et-10 2020-07-06 17:24 01:17:08 1954508 500 311 8 181 +244.1 ± 25.14

Commit

Commit ID 7225d254f90c7b9d64d4adf85ec2d319c6cf75a0
Author Stefan Geschwentner
Date 2020-07-06 15:56:18 UTC
Add a rank based bonus for blocked pawns. Fix for overevaluated blocked pawns on the 5th and 6th rank. This is a rewrite of the original idea that uses only two parameters. Thanks to rocky640 for pointing this out. STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 50800 W: 9707 L: 9446 D: 31647 Ptnml(0-2): 831, 5851, 11822, 6018, 878 https://tests.stockfishchess.org/tests/view/5f00b4f359f6f03532894304 LTC: LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 52064 W: 6477 L: 6167 D: 39420 Ptnml(0-2): 331, 4628, 15834, 4878, 361 https://tests.stockfishchess.org/tests/view/5f0115fe59f6f03532894345 closes https://github.com/official-stockfish/Stockfish/pull/2794 Bench: 4882833
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