r2qkbn1/4p1pr/np6/p1pp1b2/1P4Pp/2P1PN1P/P2P1P2/RNBK1B1R b q - 0 12
FEN state: r2qkbn1/4p1pr/np6/p1pp1b2/1P4Pp/2P1PN1P/P2P1P2/RNBK1B1R b q - 0 12 ; Best move: f5d7
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at e7, black pawn at g7 and black rook at h7. Black knight at a6 and black pawn at b6. Black pawn at a5, black pawn at c5, black pawn at d5 and black bishop at f5. White pawn at b4, white pawn at g4 and black pawn at h4. White pawn at c3, white pawn at e3, white knight at f3 and white pawn at h3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 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.