From e738834c9dc15d083244a6f4af0fc8cdaa29d42d Mon Sep 17 00:00:00 2001 From: Fabian Fichter Date: Wed, 20 Feb 2019 22:50:33 +0100 Subject: [PATCH] Fix placement chess in large-board version --- src/position.cpp | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/position.cpp b/src/position.cpp index 6f88c07..f41bf8f 100644 --- a/src/position.cpp +++ b/src/position.cpp @@ -767,7 +767,7 @@ bool Position::legal(Move m) const { { if (type_of(moved_piece(m)) != BISHOP) { - Bitboard remaining = drop_region(us) & ~pieces() & ~SquareBB[to]; + Bitboard remaining = drop_region(us) & ~pieces() & ~SquareBB[to] & board_bb(); // Are enough squares available to drop bishops on opposite colors? if ( (!( DarkSquares & pieces(us, BISHOP)) && ( DarkSquares & remaining)) + (!(~DarkSquares & pieces(us, BISHOP)) && (~DarkSquares & remaining)) < count_in_hand(us, BISHOP)) -- 1.7.0.4