diff options
Diffstat (limited to 'src/board.c')
| -rwxr-xr-x | src/board.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/board.c b/src/board.c index 0b195be..814b045 100755 --- a/src/board.c +++ b/src/board.c @@ -170,6 +170,7 @@ Return value: "Fifty move counter is too high", "bbPieces bitboard doesn't match piece list", "bbPawns bitboard doesn't match pawn list", + "bbOccupied bitboard doesn't match piece list", }; ULONG u, v; COOR c; @@ -179,6 +180,7 @@ Return value: ULONG uNonPawnCount[2][7]; BITBOARD bbPieces[2][8]; BITBOARD bbPawns[2]; + BITBOARD bbOccupied = 0; ULONG uSigmaNonPawnCount[2] = {0, 0}; ULONG uWhiteSqBishopCount[2] = {0, 0}; UINT64 u64Computed; @@ -272,6 +274,7 @@ Return value: uPawnMaterial[u] += VALUE_PAWN; uPawnCount[u]++; bbPawns[u] |= COOR_TO_BB(c); + bbOccupied |= COOR_TO_BB(c); } } @@ -316,6 +319,7 @@ Return value: { bbPieces[u][PIECE_TYPE(p)] |= COOR_TO_BB(c); } + bbOccupied |= COOR_TO_BB(c); uNonPawnMaterial[u] += PIECE_VALUE(p); if ((IS_BISHOP(p)) && (IS_WHITE_SQUARE_COOR(c))) @@ -394,6 +398,12 @@ Return value: } } + if (pos->bbOccupied != bbOccupied) + { + uReason = 23; + goto end; + } + // // Now walk the actual board and reduce the material counts we got // by walking the piece lists. If everything is ok then the |
