NM Dana Mackenzie started playing tournament chess during the "Fischer boom" of 1971-1972 and never quit. Champion of North Carolina in 1985, 1987, and became master in 1988. He has a 1-0 career record against world chess champions. (The champion in question was the world computer champion, Belle, which Dana defeated in the 1983 U.S. Amateur Team Championship.) Mackenzie now lives in Santa Cruz, CA and runs a chess club for kids at the local library.

101: When Should I Chase the Bishop? Run Time: 46 mins 20 seconds

102: When Should I Trade Queens? Run Time: 44 mins 14 seconds

103: What Should I Do When My Opponent Doesn't Play the Book Move? Run Time: 34 mins 44 seconds

104: Where Should I Put My Rooks? Run Time: 49 mins 48 seconds

105: Using Your Rooks Together Run Time: 41 mins 36 seconds

215 Minutes