rnbk3r/1p1p1p2/8/5ppp/2Pp1QnN/1Pb3PP/R2NP3/2B1KB1q w - - 0 20
FEN state: rnbk3r/1p1p1p2/8/5ppp/2Pp1QnN/1Pb3PP/R2NP3/2B1KB1q w - - 0 20 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at f7. Black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at c4, black pawn at d4, white queen at f4, black knight at g4 and white knight at h4. White pawn at b3, black bishop at c3, white pawn at g3 and white pawn at h3. White rook at a2, white knight at d2 and white pawn at e2. White bishop at c1, white king at e1, white bishop at f1 and black queen at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.