r1b2k1r/ppppqpb1/4P1p1/7p/1P2n2P/2PR1Q2/P2P2P1/RNB1KBN1 b Q - 1 12
FEN state: r1b2k1r/ppppqpb1/4P1p1/7p/1P2n2P/2PR1Q2/P2P2P1/RNB1KBN1 b Q - 1 12 ; Best move: e4f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black queen at e7, black pawn at f7 and black bishop at g7. White pawn at e6 and black pawn at g6. Black pawn at h5. White pawn at b4, black knight at e4 and white pawn at h4. White pawn at c3, white rook at d3 and white queen at f3. White pawn at a2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.