rn1qkbr1/ppp1pp2/6p1/1b1n3p/1P1p1P1P/2PP2P1/PB1QP3/1R1K1BNR b q - 0 12
FEN state: rn1qkbr1/ppp1pp2/6p1/1b1n3p/1P1p1P1P/2PP2P1/PB1QP3/1R1K1BNR b q - 0 12 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at g6. Black bishop at b5, black knight at d5 and black pawn at h5. White pawn at b4, black pawn at d4, white pawn at f4 and white pawn at h4. White pawn at c3, white pawn at d3 and white pawn at g3. White pawn at a2, white bishop at b2, white queen at d2 and white pawn at e2. White rook at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.