Example 2: A player starts playing DCHESS with a Gold/Furtive rarity board so his account rank will automatically be Rank C. He must use 3,000 KING to upgrade each piece on his board. When his 16 pieces have been upgraded, the player will advance from C Rank to B Rank. He can upgrade his pieces again using now 11.000 KING (B Rank upgrade price) for each piece to upgrade his account to A Rank and get the economic benefits of that rank.