What are the odds? “This is daft! I don’t know the first thing about horses.” “I’ll explain it. Then you pick four.” “But you’re going to bet on them. That costs money. We don’t have much.” “It’s only a quid, well £1.10 if we include the roll-up.” “What does that mean? You’re talking gibberish now.” With as much patience as he could muster, Jim tried to explain. “We’re going to choose four horses, in four different races. Then we place a bet. We need at least two of them to win because we’re doing a Yankee.” “What?” “A Yankee involves picking four horses in multiple bets: doubles, trebles and a roll-up (or four-timer). All the combinations are covered. So it’s actually eleven bets at ten pence each.” “I don’t understand.”