r1bq1b1r/p2p1k1p/2p4n/1B2ppp1/PnP1P1PP/BP5N/3P1P2/RN1QRK2 b - - 0 15
FEN state: r1bq1b1r/p2p1k1p/2p4n/1B2ppp1/PnP1P1PP/BP5N/3P1P2/RN1QRK2 b - - 0 15 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at f7 and black pawn at h7. Black pawn at c6 and black knight at h6. White bishop at b5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at a4, black knight at b4, white pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White bishop at a3, white pawn at b3 and white knight at h3. White pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white queen at d1, white rook at e1 and white king at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.