1r2qbnr/p1p1pp1p/3k2p1/3pn1N1/p1PP2b1/2Q3P1/RP1KPP1P/1NB2B1R w - - 1 16
FEN state: 1r2qbnr/p1p1pp1p/3k2p1/3pn1N1/p1PP2b1/2Q3P1/RP1KPP1P/1NB2B1R w - - 1 16 ; Best move: c4d5
The current state of the chess board is: Black rook at b8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black king at d6 and black pawn at g6. Black pawn at d5, black knight at e5 and white knight at g5. Black pawn at a4, white pawn at c4, white pawn at d4 and black bishop at g4. White queen at c3 and white pawn at g3. White rook at a2, white pawn at b2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 16. White to move.