1n1q1b1r/2pkpp2/1p4p1/3p4/p2P3P/NPNnPQ2/P1bK2B1/1RB1R3 w - - 2 21
FEN state: 1n1q1b1r/2pkpp2/1p4p1/3p4/p2P3P/NPNnPQ2/P1bK2B1/1RB1R3 w - - 2 21 ; Best move: f3d5
The current state of the chess board is: Black knight at b8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black king at d7, black pawn at e7 and black pawn at f7. Black pawn at b6 and black pawn at g6. Black pawn at d5. Black pawn at a4, white pawn at d4 and white pawn at h4. White knight at a3, white pawn at b3, white knight at c3, black knight at d3, white pawn at e3 and white queen at f3. White pawn at a2, black bishop at c2, white king at d2 and white bishop at g2. White rook at b1, white bishop at c1 and white rook at e1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. White to move.