From: Stefan Geschwentner <Stefan-Geschwentner@web.de>
Date: Sat, 18 Nov 2017 15:33:37 +0000 (+0100)
Subject: Simplify good/bad capture detection. bench 5336313
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=d64ffd9621de1077a9ff3daeee38b5564a85d261;hp=c769d4df84f0d4f6290956250c28460b66d95eeb;ds=sidebyside

Simplify good/bad capture detection. bench 5336313
---

diff --git a/src/movepick.cpp b/src/movepick.cpp
index 33c65670..c63940b4 100644
--- a/src/movepick.cpp
+++ b/src/movepick.cpp
@@ -179,12 +179,7 @@ Move MovePicker::next_move(bool skipQuiets) {
           move = pick_best(cur++, endMoves);
           if (move != ttMove)
           {
-              if (pos.see_ge(move))
-                  return move;
-
-              if (   type_of(pos.piece_on(to_sq(move))) == KNIGHT
-                  && type_of(pos.moved_piece(move)) == BISHOP
-                  && (cur-1)->value > 1090)
+              if (pos.see_ge(move, Value(-55 * (cur-1)->value / 1024)))
                   return move;
 
               // Losing capture, move it to the beginning of the array