rnbqk3/1p3p2/p1ppp3/1BPP1npr/1P4p1/N3PNb1/P2K1P2/R1BQ3R b q - 3 16
FEN state: rnbqk3/1p3p2/p1ppp3/1BPP1npr/1P4p1/N3PNb1/P2K1P2/R1BQ3R b q - 3 16 ; Best move: h5h1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at b7 and black pawn at f7. Black pawn at a6, black pawn at c6, black pawn at d6 and black pawn at e6. White bishop at b5, white pawn at c5, white pawn at d5, black knight at f5, black pawn at g5 and black rook at h5. White pawn at b4 and black pawn at g4. White knight at a3, white pawn at e3, white knight at f3 and black bishop at g3. White pawn at a2, white king at d2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 3. Full move number is 16. Black to move.