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Fix generation of check blocking promotion

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A promotion move is not considered a possible evasion as it could be.

Bug introduced by patch

Convert also generate_pawn_blocking_evasions() to new API (7/5/2009)

Bug spotted by Kenny Dail.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-07-06 09:40:50 +01:00
parent 67ac358ef2
commit a5fce1958b
1 changed files with 2 additions and 2 deletions
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4
src/movegen.cpp
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@ -864,7 +864,7 @@ namespace {
Bitboard blockSquares, MoveStack* mlist) { Bitboard blockSquares, MoveStack* mlist) {
// Calculate our parametrized parameters at compile time // Calculate our parametrized parameters at compile time
const Bitboard TRank8BB = (Us == WHITE ? Rank8BB : Rank1BB); const Rank TRANK_8 = (Us == WHITE ? RANK_8 : RANK_1);
const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB); const Bitboard TRank3BB = (Us == WHITE ? Rank3BB : Rank6BB);
const SquareDelta TDELTA_N = (Us == WHITE ? DELTA_N : DELTA_S); const SquareDelta TDELTA_N = (Us == WHITE ? DELTA_N : DELTA_S);
@ -882,7 +882,7 @@ namespace {
assert(pos.piece_on(to) == EMPTY); assert(pos.piece_on(to) == EMPTY);
if (square_rank(to) == TRank8BB) if (square_rank(to) == TRANK_8)
{ {
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, QUEEN); (*mlist++).move = make_promotion_move(to - TDELTA_N, to, QUEEN);
(*mlist++).move = make_promotion_move(to - TDELTA_N, to, ROOK); (*mlist++).move = make_promotion_move(to - TDELTA_N, to, ROOK);