rn2kbr1/1bq1pp1p/2pp2pn/3P3P/1P6/P3B2N/1P2PPP1/1R1QKB1R b q - 5 15
FEN state: rn2kbr1/1bq1pp1p/2pp2pn/3P3P/1P6/P3B2N/1P2PPP1/1R1QKB1R b q - 5 15 ; Best move: f8g7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at b7, black queen at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at d6, black pawn at g6 and black knight at h6. White pawn at d5 and white pawn at h5. White pawn at b4. White pawn at a3, white bishop at e3 and white knight at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook 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 5. Full move number is 15. Black to move.