Daryl Sng wanted to get faster at crossword puzzles. So he decided to train by ignoring half the clues. “It’s like if you’re on a football team and you say, ‘I’m only going to pass, I’m not going to allow myself to run,’” said Mr. Sng, a 41-year-old consultant who lives in Bethesda, Md. Mr. Sng is among serious puzzle fans—in their parlance,...

Source: Wall Street Journal April 23, 2019 14:43 UTC