r1qk1b1r/p1ppnppp/6bn/1p6/1P3pP1/2PP1P1B/P2KP2P/R1NQ2NR b - - 2 18
FEN state: r1qk1b1r/p1ppnppp/6bn/1p6/1P3pP1/2PP1P1B/P2KP2P/R1NQ2NR b - - 2 18 ; Best move: a7a5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black knight at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at g6 and black knight at h6. Black pawn at b5. White pawn at b4, black pawn at f4 and white pawn at g4. White pawn at c3, white pawn at d3, white pawn at f3 and white bishop at h3. White pawn at a2, white king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.