r2q1b1r/1pp2k2/p4npp/1n2pp1P/1P3Pb1/P2pKNQ1/2PBP1P1/1R3B1R b - - 1 25
FEN state: r2q1b1r/1pp2k2/p4npp/1n2pp1P/1P3Pb1/P2pKNQ1/2PBP1P1/1R3B1R b - - 1 25 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7 and black king at f7. Black pawn at a6, black knight at f6, black pawn at g6 and black pawn at h6. Black knight at b5, black pawn at e5, black pawn at f5 and white pawn at h5. White pawn at b4, white pawn at f4 and black bishop at g4. White pawn at a3, black pawn at d3, white king at e3, white knight at f3 and white queen at g3. White pawn at c2, white bishop at d2, white pawn at e2 and white pawn at g2. White rook at b1, white bishop 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.