rn1qkb2/pb2p2p/7n/2pp1p2/1PpP4/B3PrPN/P1RKQ1BP/RN5q b q - 0 18
FEN state: rn1qkb2/pb2p2p/7n/2pp1p2/1PpP4/B3PrPN/P1RKQ1BP/RN5q b q - 0 18 ; Best move: h1h2
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black bishop at b7, black pawn at e7 and black pawn at h7. Black knight at h6. Black pawn at c5, black pawn at d5 and black pawn at f5. White pawn at b4, black pawn at c4 and white pawn at d4. White bishop at a3, white pawn at e3, black rook at f3, white pawn at g3 and white knight at h3. White pawn at a2, white rook at c2, white king at d2, white queen at e2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1 and black queen at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.