rn1qk1n1/2p2p2/bp1br3/3ppp1p/pPP5/3PPP2/P2B1QPP/R3KBNR w Kq - 4 16
FEN state: rn1qk1n1/2p2p2/bp1br3/3ppp1p/pPP5/3PPP2/P2B1QPP/R3KBNR w Kq - 4 16 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black knight at g8. Black pawn at c7 and black pawn at f7. Black bishop at a6, black pawn at b6, black bishop at d6 and black rook at e6. Black pawn at d5, black pawn at e5, black pawn at f5 and black pawn at h5. Black pawn at a4, white pawn at b4 and white pawn at c4. White pawn at d3, white pawn at e3 and white pawn at f3. White pawn at a2, white bishop at d2, white queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 4. Full move number is 16. White to move.