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Code Issues Releases Wiki Activity

Remove unnecessay legality check

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

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

No functional change.
This commit is contained in:
mckx00 2020-08-08 03:07:07 -07:00 • committed by Joost VandeVondele
parent 23ecf3d5c6
commit 450b60a303
2 changed files with 2 additions and 2 deletions
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1
AUTHORS
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@ -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)

3
src/search.cpp
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@ -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;