World Cup Wrap-Up

Today Levon Aronian won both of his 25-minute playoff games against Ding Liren to become the first two-time winner of the World Cup. (He also won in 2005. I’m not including the two earlier World Cups that were held using a different format and only 24 players.)...

Chess is Not Math

People who know I have a Ph.D. in math often think that mathematics must help me in chess. But I have to tell them: not really. Having a mathematical mind is somewhat useful: in both subjects, it’s good to be able to hold in your mind long strings of “if...