r1bqk2r/3p3p/1pR1p1pb/p2N1p2/PQ6/3PP1PB/1PP4P/2B2KNR b kq - 0 16
FEN state: r1bqk2r/3p3p/1pR1p1pb/p2N1p2/PQ6/3PP1PB/1PP4P/2B2KNR b kq - 0 16 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at d7 and black pawn at h7. Black pawn at b6, white rook at c6, black pawn at e6, black pawn at g6 and black bishop at h6. Black pawn at a5, white knight at d5 and black pawn at f5. White pawn at a4 and white queen at b4. White pawn at d3, white pawn at e3, white pawn at g3 and white bishop at h3. White pawn at b2, white pawn at c2 and white pawn at h2. White bishop at c1, white king at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 16. Black to move.