From 6c429c4d6527a8e88d2ad1e7bfc8f4bd0ec05729 Mon Sep 17 00:00:00 2001
From: Unai Corzo <corzounai@gmail.com>
Date: Sat, 28 Nov 2020 16:32:52 +0100
Subject: [PATCH] Search simplification

STC https://tests.stockfishchess.org/tests/view/5fc2083942a050a89f02c8bb
LLR: 2.93 (-2.94,2.94) {-1.25,0.25}
Total: 23200 W: 2251 L: 2160 D: 18789
Ptnml(0-2): 86, 1726, 7895, 1797, 96

LTC https://tests.stockfishchess.org/tests/view/5fc22d7b42a050a89f02c8d0
LLR: 2.92 (-2.94,2.94) {-0.75,0.25}
Total: 15832 W: 653 L: 590 D: 14589
Ptnml(0-2): 7, 521, 6795, 588, 5

closes https://github.com/official-stockfish/Stockfish/pull/3244/files

bench: 3827317

Simplify search.
---
 src/search.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index d854cd95..99d1cb0e 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1554,7 +1554,6 @@ moves_loop: // When in check, search starts from here
 
       // Do not search moves with negative SEE values
       if (    bestValue > VALUE_TB_LOSS_IN_MAX_PLY
-          && !(givesCheck && pos.is_discovery_check_on_king(~pos.side_to_move(), move))
           && !pos.see_ge(move))
           continue;
 
-- 
2.39.2