rnb1kbr1/p2qp1pp/2p5/2Bp1n2/1pNP1p1P/1P6/P1P1PPP1/RN1QKB1R b q - 1 12
FEN state: rnb1kbr1/p2qp1pp/2p5/2Bp1n2/1pNP1p1P/1P6/P1P1PPP1/RN1QKB1R b q - 1 12 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black queen at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at c6. White bishop at c5, black pawn at d5 and black knight at f5. Black pawn at b4, white knight at c4, white pawn at d4, black pawn at f4 and white pawn at h4. White pawn at b3. White pawn at a2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.