r1bqkb2/1npp1pr1/6p1/pp1Pp2p/5Pn1/P3P2P/RPP1B1P1/1NBQK1R1 w q - 1 16
FEN state: r1bqkb2/1npp1pr1/6p1/pp1Pp2p/5Pn1/P3P2P/RPP1B1P1/1NBQK1R1 w q - 1 16 ; Best move: h3g4
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 bishop at f8. Black knight at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black rook at g7. Black pawn at g6. Black pawn at a5, black pawn at b5, white pawn at d5, black pawn at e5 and black pawn at h5. White pawn at f4 and black knight at g4. White pawn at a3, white pawn at e3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2, white bishop at e2 and white pawn at g2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 16. White to move.