5♦ is almost a better contract than 6♥ imo, all you need is 3-3 diamonds. North's first call- P = 10, 3♥ = 4 South's first call- 4♦ = 10, 5♦ = 8, X = 5, 4NT = 3 North's second call- 4♥ = 10, 5♥ = 1 South's second call- P = 10, 5♦ = 7, 4NT = 4 North's third call, P = 10, 5♥ = 2 I blame south.