1rbqk1r1/ppp2pp1/2nb1N2/P6p/4p2N/1P1BPP2/2PPn1PP/R1BQK2R b Q - 5 18
FEN state: 1rbqk1r1/ppp2pp1/2nb1N2/P6p/4p2N/1P1BPP2/2PPn1PP/R1BQK2R b Q - 5 18 ; Best move: d8f6
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black king at e8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at f7 and black pawn at g7. Black knight at c6, black bishop at d6 and white knight at f6. White pawn at a5 and black pawn at h5. Black pawn at e4 and white knight at h4. White pawn at b3, white bishop at d3, white pawn at e3 and white pawn at f3. White pawn at c2, white pawn at d2, black knight at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 5. Full move number is 18. Black to move.