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| Subject: Latest abrok Development Version December 13th (SF The gift that keeps on giving ) Mon Jan 13, 2020 11:41 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: Stefan Geschwentner Date: Mon Jan 13 12:09:23 2020 +0100 Timestamp: 1578913763 Tweak reductions for captures/promotions From the third move reduce captures and promotions more if remaining depth is low. STC: LLR: 2.94 (-2.94,2.94) {-1.00,3.00} Total: 25218 W: 5008 L: 4837 D: 15373 Elo +2.36 Ptnml(0-2): 439, 2950, 5717, 3001, 499 http://tests.stockfishchess.org/tests/view/5e1b33abd12216a2857e6359 LTC: LLR: 2.95 (-2.94,2.94) {0.00,2.00} Total: 35491 W: 4760 L: 4524 D: 26207 Elo +2.31 Ptnml(0-2): 264, 3288, 10413, 3460, 294 http://tests.stockfishchess.org/tests/view/5e1b88d5d12216a2857e6385 Closes https://github.com/official-stockfish/Stockfish/pull/2488 Bench: 4979757 | 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: Mon Jan 13 11:49:27 2020 +0100 Timestamp: 1578912567 Tweak futility pruning constants Based on recent improvement of futility pruning by @locutus2 : we lower the futility margin to apply it for more nodes but as a compensation we also lower the history threshold to apply it to less nodes. Further work in tweaking constants can always be done - numbers are guessed "by hand" and are not results of some tuning, maybe there is some more Elo to squeeze from this part of code. Passed STC LLR: 2.98 (-2.94,2.94) {-1.00,3.00} Total: 15300 W: 3081 L: 2936 D: 9283 Elo +3.29 Ptnml(0-2): 260, 1816, 3382, 1900, 290 http://tests.stockfishchess.org/tests/view/5e18da3b27dab692fcf9a158 Passed LTC LLR: 2.94 (-2.94,2.94) {0.00,2.00} Total: 108670 W: 14509 L: 14070 D: 80091 Elo +1.40 Ptnml(0-2): 813, 10259, 31736, 10665, 831 http://tests.stockfishchess.org/tests/view/5e18fc9627dab692fcf9a180 Bench: 4643972 |
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