B3kb1r/r2np3/1p3p2/2p1pn1p/p1P3Pp/P1N1N3/1P1P4/R1BKQ3 b k - 1 25
FEN state: B3kb1r/r2np3/1p3p2/2p1pn1p/p1P3Pp/P1N1N3/1P1P4/R1BKQ3 b k - 1 25 ; Best move: f5d4
The current state of the chess board is: White bishop at a8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black knight at d7 and black pawn at e7. Black pawn at b6 and black pawn at f6. Black pawn at c5, black pawn at e5, black knight at f5 and black pawn at h5. Black pawn at a4, white pawn at c4, white pawn at g4 and black pawn at h4. White pawn at a3, white knight at c3 and white knight at e3. White pawn at b2 and white pawn at d2. White rook at a1, white bishop at c1, white king at d1 and white queen at e1. Black kingside is the only castle move available. Half move number is 1. Full move number is 25. Black to move.