r2qk2r/2pn1ppp/5b2/2nppbB1/1PpPPP2/7N/P5PP/RNK2B1R w kq - 5 17
FEN state: r2qk2r/2pn1ppp/5b2/2nppbB1/1PpPPP2/7N/P5PP/RNK2B1R w kq - 5 17 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black pawn at c7, black knight at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at f6. Black knight at c5, black pawn at d5, black pawn at e5, black bishop at f5 and white bishop at g5. White pawn at b4, black pawn at c4, white pawn at d4, white pawn at e4 and white pawn at f4. White knight at h3. White pawn at a2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 5. Full move number is 17. White to move.