Dev Builds » 20200227-1214

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 10:03:12 1960488 3973 2457 71 1445 +241.12 +/- 8.88
ncm-et-4 10:01:57 1961527 3981 2410 61 1510 +235.47 +/- 8.65
ncm-et-9 10:05:05 1968982 4015 2490 74 1451 +241.77 +/- 8.86
ncm-et-10 10:05:38 1962949 4030 2503 64 1463 +243.67 +/- 8.81
ncm-et-15 10:04:32 1969107 4001 2522 69 1410 +248.02 +/- 9.0
20000 12382 339 7279 +241.99 +/- 3.95

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
117562 ncm-et-15 2020-02-28 05:08 00:01:08 1975603 1 1 0 0 +1129.65 +/- 376.02
117561 ncm-et-9 2020-02-28 05:06 00:02:52 1968638 15 10 0 5 +279.52 +/- 181.18
117560 ncm-et-10 2020-02-28 05:03 00:05:24 1964316 30 19 0 11 +259.49 +/- 107.09
117559 ncm-et-3 2020-02-28 03:57 01:12:00 1959695 473 287 7 179 +236.5 +/- 25.19
117558 ncm-et-4 2020-02-28 03:56 01:12:23 1965078 481 286 9 186 +228.02 +/- 24.74
117557 ncm-et-15 2020-02-28 03:52 01:15:16 1968182 500 316 9 175 +248.53 +/- 25.64
117556 ncm-et-9 2020-02-28 03:50 01:14:49 1976852 500 313 8 179 +246.3 +/- 25.29
117555 ncm-et-10 2020-02-28 03:48 01:14:14 1963854 500 309 7 184 +243.0 +/- 24.87
117554 ncm-et-3 2020-02-28 02:41 01:15:20 1961534 500 310 11 179 +239.74 +/- 25.37
117553 ncm-et-4 2020-02-28 02:39 01:16:47 1939214 500 299 7 194 +232.26 +/- 24.13
117552 ncm-et-15 2020-02-28 02:36 01:14:50 1972650 500 311 7 182 +245.2 +/- 25.02
117551 ncm-et-9 2020-02-28 02:34 01:15:36 1969097 500 306 12 182 +234.38 +/- 25.17
117550 ncm-et-10 2020-02-28 02:32 01:15:26 1965859 500 292 6 202 +226.0 +/- 23.54
117549 ncm-et-3 2020-02-28 01:25 01:15:03 1962611 500 321 9 170 +254.16 +/- 26.05
117548 ncm-et-4 2020-02-28 01:23 01:14:39 1970653 500 290 6 204 +223.94 +/- 23.4
117547 ncm-et-15 2020-02-28 01:20 01:14:27 1972505 500 326 10 164 +258.75 +/- 26.59
117546 ncm-et-9 2020-02-28 01:17 01:15:16 1966613 500 315 6 179 +250.77 +/- 25.22
117545 ncm-et-10 2020-02-28 01:15 01:15:16 1966009 500 319 11 170 +249.64 +/- 26.1
117544 ncm-et-3 2020-02-28 00:07 01:16:03 1963693 500 295 7 198 +228.08 +/- 23.85
117543 ncm-et-4 2020-02-28 00:07 01:14:44 1974204 500 315 6 179 +250.77 +/- 25.22
117542 ncm-et-15 2020-02-28 00:04 01:15:03 1968802 500 297 9 194 +228.08 +/- 24.2
117541 ncm-et-9 2020-02-28 00:01 01:15:45 1970960 500 311 7 182 +245.2 +/- 25.02
117540 ncm-et-10 2020-02-27 23:59 01:15:14 1963847 500 306 3 191 +244.1 +/- 24.18
117539 ncm-et-4 2020-02-27 22:52 01:14:33 1966932 500 312 5 183 +248.53 +/- 24.87
117538 ncm-et-3 2020-02-27 22:51 01:15:28 1963993 500 300 12 188 +228.08 +/- 24.72
117537 ncm-et-15 2020-02-27 22:48 01:14:55 1970332 500 318 8 174 +251.89 +/- 25.69
117536 ncm-et-9 2020-02-27 22:45 01:14:22 1969715 500 316 11 173 +246.3 +/- 25.85
117535 ncm-et-10 2020-02-27 22:43 01:14:37 1963248 500 322 8 170 +256.44 +/- 26.02
117534 ncm-et-4 2020-02-27 21:35 01:15:37 1968311 500 304 8 188 +236.51 +/- 24.61
117533 ncm-et-3 2020-02-27 21:33 01:16:34 1958317 500 330 7 163 +266.97 +/- 26.6
117532 ncm-et-15 2020-02-27 21:31 01:16:40 1966936 500 331 10 159 +264.6 +/- 27.03
117531 ncm-et-9 2020-02-27 21:30 01:13:52 1969091 500 308 7 185 +241.91 +/- 24.8
117530 ncm-et-10 2020-02-27 21:25 01:17:36 1958011 500 305 7 188 +238.66 +/- 24.57
117529 ncm-et-3 2020-02-27 20:16 01:15:57 1952532 500 299 9 192 +230.16 +/- 24.35
117528 ncm-et-4 2020-02-27 20:15 01:18:22 1938430 500 316 11 173 +246.3 +/- 25.85
117527 ncm-et-15 2020-02-27 20:14 01:15:24 1966944 500 305 6 189 +239.74 +/- 24.46
117526 ncm-et-9 2020-02-27 20:13 01:16:04 1968646 500 304 11 185 +233.32 +/- 24.92
117525 ncm-et-10 2020-02-27 20:09 01:14:27 1960783 500 315 9 176 +247.41 +/- 25.56
117524 ncm-et-4 2020-02-27 19:00 01:14:52 1969395 500 288 9 203 +218.86 +/- 23.58
117523 ncm-et-3 2020-02-27 18:58 01:16:47 1961534 500 315 9 176 +247.41 +/- 25.56
117522 ncm-et-15 2020-02-27 18:56 01:16:49 1960013 500 317 10 173 +248.53 +/- 25.83
117521 ncm-et-9 2020-02-27 18:56 01:16:29 1961231 500 307 12 181 +235.45 +/- 25.24
117520 ncm-et-10 2020-02-27 18:55 01:13:24 1960615 500 316 13 171 +244.1 +/- 26.05

Commit

Commit ID 09f53dbfa5b55e761ca8070960345ab140baad04
Author Moez Jellouli
Date 2020-02-27 12:14:51 UTC
Weak queen protection Extra penalty if weak piece is only protected by a queen. STC: http://tests.stockfishchess.org/tests/view/5e53c6ab84a82b4acd4148fa LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 44630 W: 8615 L: 8359 D: 27656 Ptnml(0-2): 746, 5156, 10323, 5276, 814 LTC: http://tests.stockfishchess.org/tests/view/5e54e05d84a82b4acd414947 LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 175480 W: 23085 L: 22409 D: 129986 Ptnml(0-2): 1264, 16494, 51678, 16910, 1394 closes https://github.com/official-stockfish/Stockfish/pull/2564 Bench: 4923286
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