rq2kb1r/1bpp1pp1/8/pp1np2p/P2P3P/3RPPQN/1PP3PR/1NnK1B2 w kq - 4 16
FEN state: rq2kb1r/1bpp1pp1/8/pp1np2p/P2P3P/3RPPQN/1PP3PR/1NnK1B2 w kq - 4 16 ; Best move: d1c1
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at a5, black pawn at b5, black knight at d5, black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at d4 and white pawn at h4. White rook at d3, white pawn at e3, white pawn at f3, white queen at g3 and white knight at h3. White pawn at b2, white pawn at c2, white pawn at g2 and white rook at h2. White knight at b1, black knight at c1, white king at d1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 16. White to move.