From bcca3031b9d9417e52e55549c1901be485a85c5f Mon Sep 17 00:00:00 2001 From: Fabian Fichter Date: Sat, 25 Apr 2020 17:14:19 +0200 Subject: [PATCH] Tweak king safety evaluation xiangqi LLR: 2.97 (-2.94,2.94) [0.00,10.00] Total: 841 W: 305 L: 220 D: 316 janggi LLR: 1.64 (-2.94,2.94) [0.00,10.00] Total: 900 W: 432 L: 368 D: 100 --- src/evaluate.cpp | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/src/evaluate.cpp b/src/evaluate.cpp index c1b2b7b..900a8a8 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -569,8 +569,9 @@ namespace { + 69 * kingAttacksCount[Them] * (2 + 8 * pos.check_counting() + pos.captures_to_hand()) / 2 + 3 * kingFlankAttack * kingFlankAttack / 8 + mg_value(mobility[Them] - mobility[Us]) - - 873 * !(pos.major_pieces(Them) || pos.captures_to_hand() || (pos.king_type() != KING && !pos.diagonal_lines())) - / (1 + pos.check_counting() + pos.two_boards() + pos.makpong()) + - 873 * !(pos.major_pieces(Them) || pos.captures_to_hand()) + * 2 / (2 + 2 * pos.check_counting() + 2 * pos.two_boards() + 2 * pos.makpong() + + (pos.king_type() != KING) * (pos.diagonal_lines() ? 1 : 2)) - 100 * bool(attackedBy[Us][KNIGHT] & attackedBy[Us][KING]) - 6 * mg_value(score) / 8 - 4 * kingFlankDefense -- 1.7.0.4