From d653aeca05bf13b42f57c65ecaa642217166c813 Mon Sep 17 00:00:00 2001 From: Marco Costalba Date: Sat, 12 Mar 2011 11:22:02 +0100 Subject: [PATCH] Fix a couple of issues in bitbase.cpp Signed-off-by: Marco Costalba --- src/bitbase.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/bitbase.cpp b/src/bitbase.cpp index 3d4fad99..3426a318 100644 --- a/src/bitbase.cpp +++ b/src/bitbase.cpp @@ -162,6 +162,11 @@ namespace { && pawnSquare == SQ_A7 && (blackKingSquare == SQ_C7 || blackKingSquare == SQ_C8)) return true; + + if ( whiteKingSquare == SQ_H8 + && pawnSquare == SQ_H7 + && (blackKingSquare == SQ_F7 || blackKingSquare == SQ_F8)) + return true; } return false; } @@ -172,6 +177,7 @@ namespace { // white pawn can be promoted without getting captured. return sideToMove == WHITE && square_rank(pawnSquare) == RANK_7 + && whiteKingSquare != pawnSquare + DELTA_N && ( square_distance(blackKingSquare, pawnSquare + DELTA_N) > 1 || bit_is_set(wk_attacks(), pawnSquare + DELTA_N)); } -- 2.39.2