r2q1bn1/1b2p1pr/2n3k1/ppp2p1p/4PP2/PPPpK1PP/1RQPB1R1/1NB3N1 w - - 2 20
FEN state: r2q1bn1/1b2p1pr/2n3k1/ppp2p1p/4PP2/PPPpK1PP/1RQPB1R1/1NB3N1 w - - 2 20 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black knight at g8. Black bishop at b7, black pawn at e7, black pawn at g7 and black rook at h7. Black knight at c6 and black king at g6. Black pawn at a5, black pawn at b5, black pawn at c5, black pawn at f5 and black pawn at h5. White pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white pawn at c3, black pawn at d3, white king at e3, white pawn at g3 and white pawn at h3. White rook at b2, white queen at c2, white pawn at d2, white bishop at e2 and white rook at g2. White knight at b1, white bishop at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.