rn2k2r/p2pb1pp/1qb2p2/1P1pn3/PPp2B2/2N2P1N/2Q1P1PP/1R2KB1R w Kkq - 2 17
FEN state: rn2k2r/p2pb1pp/1qb2p2/1P1pn3/PPp2B2/2N2P1N/2Q1P1PP/1R2KB1R w Kkq - 2 17 ; Best move: a4a5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at d7, black bishop at e7, black pawn at g7 and black pawn at h7. Black queen at b6, black bishop at c6 and black pawn at f6. White pawn at b5, black pawn at d5 and black knight at e5. White pawn at a4, white pawn at b4, black pawn at c4 and white bishop at f4. White knight at c3, white pawn at f3 and white knight at h3. White queen at c2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 17. White to move.