rnb1kb1r/p1pp1pp1/Bp2pnqp/4P3/6P1/N1P4P/PP1PKP2/R1BQ2NR b - - 4 9
FEN state: rnb1kb1r/p1pp1pp1/Bp2pnqp/4P3/6P1/N1P4P/PP1PKP2/R1BQ2NR b - - 4 9 ; Best move: c8a6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. White bishop at a6, black pawn at b6, black pawn at e6, black knight at f6, black queen at g6 and black pawn at h6. White pawn at e5. White pawn at g4. White knight at a3, white pawn at c3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white bishop 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 4. Full move number is 9. Black to move.