rnb2knr/3pbppp/ppp5/7P/3Np3/4P1R1/PPPP1KP1/R1BQ1BN1 w - - 0 16
FEN state: rnb2knr/3pbppp/ppp5/7P/3Np3/4P1R1/PPPP1KP1/R1BQ1BN1 w - - 0 16 ; Best move: d4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6 and black pawn at c6. White pawn at h5. White knight at d4 and black pawn at e4. White pawn at e3 and white rook at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white king at f2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 16. White to move.