2bqkbn1/p2p3r/1r4p1/npP1pp2/RPP3Pp/1Q6/4PP1P/1NB1KBNR w K - 0 17
FEN state: 2bqkbn1/p2p3r/1r4p1/npP1pp2/RPP3Pp/1Q6/4PP1P/1NB1KBNR w K - 0 17 ; Best move: a4a5
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7 and black rook at h7. Black rook at b6 and black pawn at g6. Black knight at a5, black pawn at b5, white pawn at c5, black pawn at e5 and black pawn at f5. White rook at a4, white pawn at b4, white pawn at c4, white pawn at g4 and black pawn at h4. White queen at b3. White pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 17. White to move.