rn5r/p1k1n2p/bqpp1p2/Pp2p3/4P2P/1P1P3N/2P2P2/bNBQR1KB w - - 2 17
FEN state: rn5r/p1k1n2p/bqpp1p2/Pp2p3/4P2P/1P1P3N/2P2P2/bNBQR1KB w - - 2 17 ; Best move: a5b6
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, black king at c7, black knight at e7 and black pawn at h7. Black bishop at a6, black queen at b6, black pawn at c6, black pawn at d6 and black pawn at f6. White pawn at a5, black pawn at b5 and black pawn at e5. White pawn at e4 and white pawn at h4. White pawn at b3, white pawn at d3 and white knight at h3. White pawn at c2 and white pawn at f2. Black bishop at a1, white knight at b1, white bishop at c1, white queen at d1, white rook at e1, white king at g1 and white bishop at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 17. White to move.