rn2k2r/3bpp1p/2p3pb/pp1p4/1P1P1q2/N4R2/PNPQPKP1/5BR1 b q - 1 25
FEN state: rn2k2r/3bpp1p/2p3pb/pp1p4/1P1P1q2/N4R2/PNPQPKP1/5BR1 b q - 1 25 ; Best move: f4d2
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black bishop at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at g6 and black bishop at h6. Black pawn at a5, black pawn at b5 and black pawn at d5. White pawn at b4, white pawn at d4 and black queen at f4. White knight at a3 and white rook at f3. White pawn at a2, white knight at b2, white pawn at c2, white queen at d2, white pawn at e2, white king at f2 and white pawn at g2. White bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 25. Black to move.