rn1qk1n1/1ppb2pr/B4p2/4p2p/3pPP2/2P4P/PPQPK1P1/RNB4R w - - 2 17
FEN state: rn1qk1n1/1ppb2pr/B4p2/4p2p/3pPP2/2P4P/PPQPK1P1/RNB4R w - - 2 17 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at c7, black bishop at d7, black pawn at g7 and black rook at h7. White bishop at a6 and black pawn at f6. Black pawn at e5 and black pawn at h5. Black pawn at d4, white pawn at e4 and white pawn at f4. White pawn at c3 and white pawn at h3. White pawn at a2, white pawn at b2, white queen at c2, white pawn at d2, white king at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 17. White to move.