Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Wed Jul 3 13:45:14 2024 +0200 Timestamp: 1720007114 CI: limit artifact uploads do not upload some unneeded intermediate directories, disable running authenticated git commands with the checkout action. Thanks to Yaron A for the report. closes https://github.com/official-stockfish/Stockfish/pull/5435 No functional change see source |
Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Wed Jul 3 13:44:01 2024 +0200 Timestamp: 1720007041 Implement dbg_extremes_of An alternative to #5431, implements one function `dbg_extremes_of` to keep track of min and max. closes https://github.com/official-stockfish/Stockfish/pull/5434 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Wed Jul 3 13:39:31 2024 +0200 Timestamp: 1720006771 Move info strings once more Follow up from #5404 ... current location leads to troubles with Aquarium GUI Fixes #5430 Now prints the information on threads and available processors at the beginning of search, where info about the networks is already printed (and is known to work) closes https://github.com/official-stockfish/Stockfish/pull/5433 No functional change. see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shahin M. Shahin
Date: Wed Jul 3 13:35:49 2024 +0200 Timestamp: 1720006549 Limit has_game_cycle() to only upcoming repetition use the original algorithm according to the paper http://web.archive.org/web/20201107002606/https://marcelk.net/2013-04-06/paper/upcoming-rep-v2.pdf, which detects accurately if a position has an upcoming repetition. The 'no progress' part of has_game_cycle has been removed, the function has been renamed to upcoming_repetition to reflect this. As a result of this fix, to the best of our knowledge, all PVs for completed iterations that yield a mate or decisive table base score now end in mate or contain a TB position, respectively. passed non-regression STC: https://tests.stockfishchess.org/tests/view/6679fa1d0c2db3fa2dcecbf2 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 63584 W: 16666 L: 16472 D: 30446 Elo +1.06 Ptnml(0-2): 186, 7552, 16146, 7698, 210 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/667ac965e439ed1c7a9ca042 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 464574 W: 117493 L: 117729 D: 229352 Elo -0.18 Ptnml(0-2): 311, 52468, 126974, 52214, 320 closes https://github.com/official-stockfish/Stockfish/pull/5432 bench: 1209805 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Wed Jul 3 13:18:00 2024 +0200 Timestamp: 1720005480 Do Capture History Updates In Probcut This patch introduces history updates to probcut. Standard depth - 3 bonus and maluses are given to the capture that caused fail high and previously searched captures, respectively. Similar to #5243, a negative history fill is applied to compensate for an increase in capture history average, thus improving the scaling of this patch. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 84832 W: 21941 L: 21556 D: 41335 Elo +1.58 Ptnml(0-2): 226, 9927, 21688, 10386, 189 https://tests.stockfishchess.org/tests/view/6682fab9389b9ee542b1d029 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 104298 W: 26469 L: 26011 D: 51818 Elo +1.53 Ptnml(0-2): 43, 11458, 28677, 11940, 31 https://tests.stockfishchess.org/tests/view/6682ff06389b9ee542b1d0a0 closes https://github.com/official-stockfish/Stockfish/pull/5428 bench 1281351 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Mon Jul 1 20:07:03 2024 +0200 Timestamp: 1719857223 Probcut in check no matter if pv or capture Passed STC: https://tests.stockfishchess.org/tests/view/6681e9c8c1657e386d294cef LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 217824 W: 56149 L: 56129 D: 105546 Elo +0.03 Ptnml(0-2): 587, 25926, 55848, 25982, 569 Passed LTC: https://tests.stockfishchess.org/tests/view/6681fcb8c1657e386d294db1 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 357552 W: 90546 L: 90671 D: 176335 Elo -0.12 Ptnml(0-2): 207, 40064, 98362, 39933, 210 Each half of this also passed STC+LTC separately closes https://github.com/official-stockfish/Stockfish/pull/5427 bench 1227870 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Mon Jul 1 20:04:13 2024 +0200 Timestamp: 1719857053 Update some params for pruning at shallow depth Values found around 82k / 120k spsa games at 60+0.6: https://tests.stockfishchess.org/tests/view/6681aca4481148df247298bd Passed STC: https://tests.stockfishchess.org/tests/view/6681c795c1657e386d2948fa LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 145216 W: 37595 L: 37122 D: 70499 Elo +1.13 Ptnml(0-2): 375, 17122, 37185, 17507, 419 Passed LTC: https://tests.stockfishchess.org/tests/view/6681d4eec1657e386d2949e0 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 154062 W: 39117 L: 38557 D: 76388 Elo +1.26 Ptnml(0-2): 67, 16874, 42608, 17396, 86 closes https://github.com/official-stockfish/Stockfish/pull/5425 bench 996419 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Mon Jul 1 20:02:38 2024 +0200 Timestamp: 1719856958 Simplify worsening deduction in futility margin Passed non-regression STC: https://tests.stockfishchess.org/tests/view/66817d46442423e547141226 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 345408 W: 89146 L: 89266 D: 166996 Elo -0.12 Ptnml(0-2): 954, 41317, 88286, 41189, 958 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/66818dbe1e90a146232d1f62 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 173214 W: 43821 L: 43755 D: 85638 Elo +0.13 Ptnml(0-2): 108, 19407, 47492, 19511, 89 closes https://github.com/official-stockfish/Stockfish/pull/5424 bench 981017 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Mon Jul 1 20:01:05 2024 +0200 Timestamp: 1719856865 Simplify rm.averageScore calculation Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 485056 W: 125222 L: 125497 D: 234337 Elo -0.20 Ptnml(0-2): 1384, 58197, 123614, 57976, 1357 https://tests.stockfishchess.org/tests/view/6681816d442423e54714133f Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 56622 W: 14301 L: 14115 D: 28206 Elo +1.14 Ptnml(0-2): 31, 6259, 15538, 6459, 24 https://tests.stockfishchess.org/tests/view/6681a9a5596d543edc677490 closes https://github.com/official-stockfish/Stockfish/pull/5423 bench: 1171203 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shahin M. Shahin
Date: Mon Jul 1 19:58:13 2024 +0200 Timestamp: 1719856693 Increase reduction based on correct expectation If the current node is not a cutNode then it means that the child is one in LMR and the cutoff count is expected, so more reduction when the cutoffs are expected Passed STC: https://tests.stockfishchess.org/tests/view/66815e791c5b344a34ca7090 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 64416 W: 16876 L: 16519 D: 31021 Elo +1.93 Ptnml(0-2): 150, 7670, 16264, 7921, 203 Passed LTC: https://tests.stockfishchess.org/tests/view/668162f61c5b344a34ca725c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 78186 W: 19905 L: 19499 D: 38782 Elo +1.80 Ptnml(0-2): 55, 8561, 21437, 9003, 37 closes https://github.com/official-stockfish/Stockfish/pull/5422 bench: 1161531 see source |
Windows x64 for Haswell CPUs Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Michael Chaly
Date: Mon Jul 1 19:56:38 2024 +0200 Timestamp: 1719856598 Tweak multicut This patch is an original patch by author of Altair (https://github.com/Alex2262/AltairChessEngine) chess engine. It allows to produce more aggressive multicut compared to master by changing condition it needs to fulfil and also returns bigger value. Also has applied matetrack fix on top. Passed STC: https://tests.stockfishchess.org/tests/view/667223ab602682471b0650e2 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 50048 W: 13200 L: 12860 D: 23988 Elo +2.36 Ptnml(0-2): 181, 5822, 12679, 6160, 182 Passed LTC: https://tests.stockfishchess.org/tests/view/6672f777602682471b06515d LLR: 2.97 (-2.94,2.94) <0.50,2.50> Total: 706380 W: 179707 L: 177981 D: 348692 Elo +0.85 Ptnml(0-2): 656, 79250, 191665, 80950, 669 closes https://github.com/official-stockfish/Stockfish/pull/5421 bench 1148966 see source |
Windows x64 for Haswell CPUs Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jul 1 19:53:45 2024 +0200 Timestamp: 1719856425 Grade countermove bonus for low statscores Passed STC: LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 338592 W: 88396 L: 87627 D: 162569 Elo +0.79 Ptnml(0-2): 1161, 40201, 85788, 41000, 1146 https://tests.stockfishchess.org/tests/view/6679d40c0c2db3fa2dcecbcc Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 83526 W: 21429 L: 21010 D: 41087 Elo +1.74 Ptnml(0-2): 54, 9173, 22913, 9546, 77 https://tests.stockfishchess.org/tests/view/667c5f2980450dba965911fc closes https://github.com/official-stockfish/Stockfish/pull/5418 bench: 1489815 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: mstembera
Date: Mon Jul 1 19:50:32 2024 +0200 Timestamp: 1719856232 Simplify away a useless TTEntry::read() Not needed when we don hit an entry. closes https://github.com/official-stockfish/Stockfish/pull/5416 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Taras Vuk
Date: Mon Jul 1 19:48:06 2024 +0200 Timestamp: 1719856086 Skip futility pruning if beta is below TB loss value Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 77024 W: 20122 L: 19946 D: 36956 Elo +0.79 Ptnml(0-2): 278, 8754, 20277, 8920, 283 https://tests.stockfishchess.org/tests/view/66752d59602682471b0652f3 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 93114 W: 23623 L: 23477 D: 46014 Elo +0.54 Ptnml(0-2): 77, 9839, 26566, 10011, 64 https://tests.stockfishchess.org/tests/view/6676b3e1602682471b065395 closes https://github.com/official-stockfish/Stockfish/pull/5413 bench: 1003441 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Mon Jul 1 19:44:17 2024 +0200 Timestamp: 1719855857 Fix typos in comments closes https://github.com/official-stockfish/Stockfish/pull/5409 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Mon Jul 1 19:40:04 2024 +0200 Timestamp: 1719855604 Remove redundant inline constexpr implies inline anyway closes https://github.com/official-stockfish/Stockfish/pull/5406 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Mon Jul 1 19:37:25 2024 +0200 Timestamp: 1719855445 Move info output afer uciok fixes #5393 : an incompatibility with an older GUI (Chesspartner) fixes #5396 : an incompatibility with an older GUI (Fritz9) closes https://github.com/official-stockfish/Stockfish/pull/5404 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sun Jun 23 11:46:41 2024 +0200 Timestamp: 1719136001 Internal iterative reductions: decrease depth more For PV nodes without a ttMove, we decrease depth. But in this patch, additionally, if the current position is found in the TT, and the stored depth in the TT is greater than or equal to the current search depth, we decrease the search depth even further. Passed STC: LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 84384 W: 22154 L: 21761 D: 40469 Elo +1.62 Ptnml(0-2): 292, 9972, 21315, 10277, 336 https://tests.stockfishchess.org/tests/view/666b0a4d602682471b064db6 Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 92106 W: 23471 L: 23032 D: 45603 Elo +1.66 Ptnml(0-2): 79, 10155, 25154, 10578, 87 https://tests.stockfishchess.org/tests/view/666c423d602682471b064e56 closes https://github.com/official-stockfish/Stockfish/pull/5397 bench: 1038234 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Sun Jun 23 11:41:48 2024 +0200 Timestamp: 1719135708 Simplify Bonus Formula In History Adjustment Inspired by a discord message [1] from Vizvezdenec, this patch simplifies the bonus adjustment bonus = bonus > 0 ? 2 * bonus : bonus / 2 to a constant addition, maintaining bonus average at around 0 in regular bench. As cj5716 pointed in discord [2], the constant bonus can also be considered as factoring tempo when calculating bonus, yielding a better value of the move. [1] https://discord.com/channels/435943710472011776/882956631514689597/1243877089443188776 [2] https://discord.com/channels/435943710472011776/813919248455827515/1252277437249622077 Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 29984 W: 7908 L: 7677 D: 14399 Elo +2.68 Ptnml(0-2): 95, 3502, 7594, 3679, 122 https://tests.stockfishchess.org/tests/view/666f7210602682471b064fa2 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 170136 W: 43214 L: 43145 D: 83777 Elo +0.14 Ptnml(0-2): 158, 19185, 46311, 19258, 156 https://tests.stockfishchess.org/tests/view/666fb32e602682471b064fb5 closes https://github.com/official-stockfish/Stockfish/pull/5401 bench 1438375 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: evqsx
Date: Sun Jun 23 11:37:32 2024 +0200 Timestamp: 1719135452 Simplify static exchange evaluation pruning formula Passed STC: https://tests.stockfishchess.org/tests/view/666bda31602682471b064e1f LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 141696 W: 36932 L: 36826 D: 67938 Elo +0.26 Ptnml(0-2): 510, 16880, 35989, 16932, 537 Passed LTC: https://tests.stockfishchess.org/tests/view/666e6b67602682471b064f4b LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 159504 W: 40552 L: 40471 D: 78481 Elo +0.18 Ptnml(0-2): 130, 18160, 43103, 18217, 142 closes https://github.com/official-stockfish/Stockfish/pull/5400 bench: 1084115 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sun Jun 23 11:35:50 2024 +0200 Timestamp: 1719135350 CI/CD: play games this action plays games under fast-chess with a `debug=yes` compiled binary. It checks for triggered asserts in the code, or generally for engine disconnects. closes https://github.com/official-stockfish/Stockfish/pull/5403 No functional change see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: xoto10
Date: Sun Jun 23 11:29:02 2024 +0200 Timestamp: 1719134942 Consider wider range of moves near leaves. try to avoid missing good moves for opponent or engine, by updating bestMove also when value == bestValue (i.e. value == alpha) under certain conditions. In particular require this is at higher depth in the tree, leaving the logic near the root unchanged, and only apply randomly. Avoid doing this near mate scores, leaving mate PVs intact. Passed SMP STC 6+0.06 th7 : LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 42040 W: 10930 L: 10624 D: 20486 Elo +2.53 Ptnml(0-2): 28, 4682, 11289, 4998, 23 https://tests.stockfishchess.org/tests/view/66608b00c340c8eed7757d1d Passed SMP LTC 24+0.24 th7 : LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 73692 W: 18978 L: 18600 D: 36114 Elo +1.78 Ptnml(0-2): 9, 7421, 21614, 7787, 15 https://tests.stockfishchess.org/tests/view/666095e8c340c8eed7757d49 closes https://github.com/official-stockfish/Stockfish/pull/5367 Bench 1205168 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sat Jun 15 12:13:59 2024 +0200 Timestamp: 1718446439 Tweak the reduction formula Tweak the reduction formula if position is or has been on the PV Taking inspiration from an old Viren test. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 78528 W: 20607 L: 20225 D: 37696 Elo +1.69 Ptnml(0-2): 262, 9297, 19785, 9637, 283 https://tests.stockfishchess.org/tests/view/666339c70ff7cb4868d1fe24 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 138630 W: 35666 L: 35132 D: 67832 Elo +1.34 Ptnml(0-2): 118, 15345, 37835, 15919, 98 https://tests.stockfishchess.org/tests/view/66645dec0612cd151f9e77b0 closes https://github.com/official-stockfish/Stockfish/pull/5385 Bench: 1134281 see source |
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dubslow
Date: Sat Jun 15 12:10:49 2024 +0200 Timestamp: 1718446249 Fix readability of TTEntry occupancy check Passed STC: https://tests.stockfishchess.org/tests/view/66695b6a602682471b064cfc LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 107520 W: 28138 L: 27998 D: 51384 Elo +0.45 Ptnml(0-2): 373, 12257, 28358, 12401, 371 closes https://github.com/official-stockfish/Stockfish/pull/5394 No functional change see source |
Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sat Jun 15 12:08:29 2024 +0200 Timestamp: 1718446109 Fix upperbound/lowerbound output in multithreaded case In case a stop is received during multithreaded searches, the PV of the best thread might be printed without the correct upperbound/lowerbound indicators. This was due to the pvIdx variable being incremented after receiving the stop. passed STC: https://tests.stockfishchess.org/tests/view/666985da602682471b064d08 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 196576 W: 51039 L: 50996 D: 94541 Elo +0.08 Ptnml(0-2): 760, 22545, 51603, 22652, 728 closes https://github.com/official-stockfish/Stockfish/pull/5391 Bench: 1160467 see source |