rnb1kb2/1p3p1r/4p1p1/3p2q1/2B1PP1p/6P1/P1PPKn1P/RNQ3R1 b q - 0 16
FEN state: rnb1kb2/1p3p1r/4p1p1/3p2q1/2B1PP1p/6P1/P1PPKn1P/RNQ3R1 b q - 0 16 ; Best move: g5h5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at f7 and black rook at h7. Black pawn at e6 and black pawn at g6. Black pawn at d5 and black queen at g5. White bishop at c4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at g3. White pawn at a2, white pawn at c2, white pawn at d2, white king at e2, black knight at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at c1 and white rook at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.