2bq1b2/r1pkn3/1p2pppr/p6p/1PPPpP2/6P1/PB2NK1P/RN3B1R b - - 0 18
FEN state: 2bq1b2/r1pkn3/1p2pppr/p6p/1PPPpP2/6P1/PB2NK1P/RN3B1R b - - 0 18 ; Best move: a5b4
The current state of the chess board is: Black bishop at c8, black queen at d8 and black bishop at f8. Black rook at a7, black pawn at c7, black king at d7 and black knight at e7. Black pawn at b6, black pawn at e6, black pawn at f6, black pawn at g6 and black rook at h6. Black pawn at a5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at d4, black pawn at e4 and white pawn at f4. White pawn at g3. White pawn at a2, white bishop at b2, white knight at e2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.