rnb3nr/p1pp1qkp/1p3p1b/4p1p1/P1P1P3/1P1PNN1P/3K1PP1/R1BQ1B1R w - - 4 16
FEN state: rnb3nr/p1pp1qkp/1p3p1b/4p1p1/P1P1P3/1P1PNN1P/3K1PP1/R1BQ1B1R w - - 4 16 ; Best move: e3f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black queen at f7, black king at g7 and black pawn at h7. Black pawn at b6, black pawn at f6 and black bishop at h6. Black pawn at e5 and black pawn at g5. White pawn at a4, white pawn at c4 and white pawn at e4. White pawn at b3, white pawn at d3, white knight at e3, white knight at f3 and white pawn at h3. White king at d2, white pawn 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 rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. White to move.