From: mckx00 <mckx00@gmail.com>
Date: Sat, 8 Aug 2020 10:07:07 +0000 (-0700)
Subject: Remove unnecessay legality check
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=450b60a303b0c59b0cc5dd22d95b9a983dfc4f96

Remove unnecessay legality check

Possible after the recent reording pos.legal(move) check

https://github.com/official-stockfish/Stockfish/pull/2941

No functional change.
---

diff --git a/AUTHORS b/AUTHORS
index 07e07297..21ef3e50 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -79,6 +79,7 @@ Jean Gauthier (OuaisBla)
 Jean-Francois Romang (jromang)
 Jekaa
 Jerry Donald Watson (jerrydonaldwatson)
+jjoshua2
 Jonathan Calovski (Mysseno)
 Jonathan Dumale (SFisGOD)
 Joost VandeVondele (vondele)
diff --git a/src/search.cpp b/src/search.cpp
index 4a993b01..e5d18f77 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1079,8 +1079,7 @@ moves_loop: // When in check, search starts from here
        /* &&  ttValue != VALUE_NONE Already implicit in the next condition */
           &&  abs(ttValue) < VALUE_KNOWN_WIN
           && (tte->bound() & BOUND_LOWER)
-          &&  tte->depth() >= depth - 3
-          &&  pos.legal(move))
+          &&  tte->depth() >= depth - 3)
       {
           Value singularBeta = ttValue - ((formerPv + 4) * depth) / 2;
           Depth singularDepth = (depth - 1 + 3 * formerPv) / 2;