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| Subject: Latest abrok Development Version April 5th More ELO Gains !!! (SF The gift that keeps on giving ) Sun Apr 05, 2020 11:40 am | |
| !! latest version !!
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Vizvezdenec Date: Sun Apr 5 08:44:25 2020 +0200 Timestamp: 1586069065 Further increase reductions with increasing number of threads This patch doubles the reduction increase with thread count. passed STC https://tests.stockfishchess.org/tests/view/5e874f5a4411759d9d098696 LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 9162 W: 1558 L: 1385 D: 6219 Elo +6.56 Ptnml(0-2): 90, 958, 2343, 1069, 121 passed LTC https://tests.stockfishchess.org/tests/view/5e8762804411759d9d09869f LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 79364 W: 9541 L: 9159 D: 60664 Elo +1.67 Ptnml(0-2): 462, 6880, 24661, 7172, 507 closes https://github.com/official-stockfish/Stockfish/pull/2615 bench 4831963 | Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: 31m059 Date: Sun Apr 5 08:39:00 2020 +0200 Timestamp: 1586068740 Retire candidate passed pawns Before this commit, some pawns were considered "candidate" passed pawns and given half bonus. After this commit, all of these pawns are scored as passed pawns, and they do not receive less bonus. STC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 21806 W: 4320 L: 4158 D: 13328 Elo +2.58 Ptnml(0-2): 367, 2526, 5001, 2596, 413 https://tests.stockfishchess.org/tests/view/5e86b4724411759d9d098639 LTC: LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 12590 W: 1734 L: 1617 D: 9239 Elo +3.23 Ptnml(0-2): 96, 1187, 3645, 1238, 129 https://tests.stockfishchess.org/tests/view/5e86d2874411759d9d098640 This PR and commit are dedicated to our colleague Stefan Geschwentner (@locutus2), one of the most respected and accomplished members of the Stockfish developer community. Stockfish is a volunteer project and has always thrived because of Stefan's talent, insight, generosity, and dedication. Welcome back, Stefan! closes https://github.com/official-stockfish/Stockfish/pull/2613 Bench: 4831963 | Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: protonspring Date: Sun Apr 5 08:35:31 2020 +0200 Timestamp: 1586068531 remove KNPK endgame code In more than 100k local KNPK games, there is no discernible difference between master and master with this endgame removed: master:42971, patch:42973, draws: 3969. Removal does not seem to regress in normal games. STC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 46390 W: 8998 L: 8884 D: 28508 Elo +0.85 Ptnml(0-2): 707, 5274, 11163, 5300, 751 https://tests.stockfishchess.org/tests/view/5e83b18ee42a5c3b3ca2ef02 LTC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 44768 W: 5863 L: 5814 D: 33091 Elo +0.38 Ptnml(0-2): 251, 3918, 14028, 3905, 282 https://tests.stockfishchess.org/tests/view/5e84a82a4411759d9d0984f4 In tests with a book of endgames that can convert into KNPK, no significant difference can be seen either ``` TC 1.0+0.01 Score of patch vs master: 6131 - 6188 - 27681 [0.499] 40000 Elo difference: -0.5 +/- 1.9, LOS: 30.4 %, DrawRatio: 69.2 % TC 2.0+0.02 Score of patch vs master: 5740 - 5741 - 28519 [0.500] 40000 Elo difference: -0.0 +/- 1.8, LOS: 49.6 %, DrawRatio: 71.3 % `` closes https://github.com/official-stockfish/Stockfish/pull/2611 Bench 4512059 |
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