rnbqkr2/2pp2p1/pp1b4/3P1p1p/2B2pP1/N3P3/P1P1K1P1/R1BQ2NR w q - 0 16
FEN state: rnbqkr2/2pp2p1/pp1b4/3P1p1p/2B2pP1/N3P3/P1P1K1P1/R1BQ2NR w q - 0 16 ; Best move: g4h5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black rook at f8. Black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black bishop at d6. White pawn at d5, black pawn at f5 and black pawn at h5. White bishop at c4, black pawn at f4 and white pawn at g4. White knight at a3 and white pawn at e3. White pawn at a2, white pawn at c2, white king at e2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.