The low-key board game is a high-stakes affair for members of a quietly burgeoning community. Edition: Singapore Indonesia Asia US/UK SINGAPORE: They sit across each other, staring intently at the tables in front of them. Some clutch their heads, frowning; others are relaxed. No one speaks. The only sounds come from ticking clocks and small, plastic square tiles being sifted in small velvet bags before they take up positions on a board. This was not quite the level of intensity I expected to