2b1kb1r/rppn2p1/4p3/1p1p3p/BPPPPpn1/2B5/P2Q1qPP/R2K2NR b k - 1 15
FEN state: 2b1kb1r/rppn2p1/4p3/1p1p3p/BPPPPpn1/2B5/P2Q1qPP/R2K2NR b k - 1 15 ; Best move: a7a4
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at c7, black knight at d7 and black pawn at g7. Black pawn at e6. Black pawn at b5, black pawn at d5 and black pawn at h5. White bishop at a4, white pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4, black pawn at f4 and black knight at g4. White bishop at c3. White pawn at a2, white queen at d2, black queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 15. Black to move.