1r2kbnr/1p1np2p/pqp2p2/5bP1/P1PP4/4PPP1/8/RNBQK1NR w k - 1 16
FEN state: 1r2kbnr/1p1np2p/pqp2p2/5bP1/P1PP4/4PPP1/8/RNBQK1NR w k - 1 16 ; Best move: a4a5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at a6, black queen at b6, black pawn at c6 and black pawn at f6. Black bishop at f5 and white pawn at g5. White pawn at a4, white pawn at c4 and white pawn at d4. White pawn at e3, white pawn at f3 and white pawn at g3. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 16. White to move.