2r1kbnr/nq2pppp/p3B3/1ppp1b2/3P3P/PP2PPP1/RQ1B2R1/3K2N1 b k - 0 18
FEN state: 2r1kbnr/nq2pppp/p3B3/1ppp1b2/3P3P/PP2PPP1/RQ1B2R1/3K2N1 b k - 0 18 ; Best move: f5e6
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at a7, black queen at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and white bishop at e6. Black pawn at b5, black pawn at c5, black pawn at d5 and black bishop at f5. White pawn at d4 and white pawn at h4. White pawn at a3, white pawn at b3, white pawn at e3, white pawn at f3 and white pawn at g3. White rook at a2, white queen at b2, white bishop at d2 and white rook at g2. White king at d1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.