r2q1bnr/ppk1p1p1/n7/1B1ppb2/2p5/2P1KPp1/PP1P3P/R1BN1Q1R b - - 1 25
FEN state: r2q1bnr/ppk1p1p1/n7/1B1ppb2/2p5/2P1KPp1/PP1P3P/R1BN1Q1R b - - 1 25 ; Best move: d5d4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at c7, black pawn at e7 and black pawn at g7. Black knight at a6. White bishop at b5, black pawn at d5, black pawn at e5 and black bishop at f5. Black pawn at c4. White pawn at c3, white king at e3, white pawn at f3 and black pawn at g3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white queen at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 25. Black to move.