rBb1q1r1/p2pbkpp/5p1n/1P6/Rnp1P2P/1P3PP1/2PPB3/1NQ1K1NR b K - 5 16
FEN state: rBb1q1r1/p2pbkpp/5p1n/1P6/Rnp1P2P/1P3PP1/2PPB3/1NQ1K1NR b K - 5 16 ; Best move: a8b8
The current state of the chess board is: Black rook at a8, white bishop at b8, black bishop at c8, black queen at e8 and black rook at g8. Black pawn at a7, black pawn at d7, black bishop at e7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at f6 and black knight at h6. White pawn at b5. White rook at a4, black knight at b4, black pawn at c4, white pawn at e4 and white pawn at h4. White pawn at b3, white pawn at f3 and white pawn at g3. White pawn at c2, white pawn at d2 and white bishop at e2. White knight at b1, white queen at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 5. Full move number is 16. Black to move.