rn1qbb1r/QBp3k1/p2p4/1n2pppp/2P3P1/7P/PP1PPP2/RNBK2NR b - - 7 18
FEN state: rn1qbb1r/QBp3k1/p2p4/1n2pppp/2P3P1/7P/PP1PPP2/RNBK2NR b - - 7 18 ; Best move: a8a7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at e8, black bishop at f8 and black rook at h8. White queen at a7, white bishop at b7, black pawn at c7 and black king at g7. Black pawn at a6 and black pawn at d6. Black knight at b5, black pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at c4 and white pawn at g4. White pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 18. Black to move.