1rk2bnr/2p1p1pp/p1n3q1/3p4/1pP3p1/NP1BP1P1/P2P1N1P/R1BQK2R w Q - 4 17
FEN state: 1rk2bnr/2p1p1pp/p1n3q1/3p4/1pP3p1/NP1BP1P1/P2P1N1P/R1BQK2R w Q - 4 17 ; Best move: d3g6
The current state of the chess board is: Black rook at b8, black king at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black knight at c6 and black queen at g6. Black pawn at d5. Black pawn at b4, white pawn at c4 and black pawn at g4. White knight at a3, white pawn at b3, white bishop at d3, white pawn at e3 and white pawn at g3. White pawn at a2, white pawn at d2, white knight at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 4. Full move number is 17. White to move.