rn2k1nr/pb4q1/2p3p1/Pp1pp2p/Rb1P3P/2P1KP2/1PQ1B1P1/1NB3NR w - - 1 16
FEN state: rn2k1nr/pb4q1/2p3p1/Pp1pp2p/Rb1P3P/2P1KP2/1PQ1B1P1/1NB3NR w - - 1 16 ; Best move: a4b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7 and black queen at g7. Black pawn at c6 and black pawn at g6. White pawn at a5, black pawn at b5, black pawn at d5, black pawn at e5 and black pawn at h5. White rook at a4, black bishop at b4, white pawn at d4 and white pawn at h4. White pawn at c3, white king at e3 and white pawn at f3. White pawn at b2, white queen at c2, white bishop at e2 and white pawn at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 16. White to move.