r1b1kbnr/nppp4/3B1p1p/pN2pqp1/1PPPP3/P2Q1PPP/4K1B1/1R4NR b - - 1 17
FEN state: r1b1kbnr/nppp4/3B1p1p/pN2pqp1/1PPPP3/P2Q1PPP/4K1B1/1R4NR b - - 1 17 ; Best move: a7b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at a7, black pawn at b7, black pawn at c7 and black pawn at d7. White bishop at d6, black pawn at f6 and black pawn at h6. Black pawn at a5, white knight at b5, black pawn at e5, black queen at f5 and black pawn at g5. White pawn at b4, white pawn at c4, white pawn at d4 and white pawn at e4. White pawn at a3, white queen at d3, white pawn at f3, white pawn at g3 and white pawn at h3. White king at e2 and white bishop at g2. White rook at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 17. Black to move.