The record margin in the current format (starting in 1979) is 18½–9½, which Europe has achieved twice (in succession, 2004-06) and USA once (1981). Europe needs 4½ today to avoid unwanted history as relatively the worst performance of that period.
In the pre-Europe era, 1967 was the last time the USA more than doubled the GB (or GB & Ireland) total (23½–8½, which equates to 20½–7½).
In the pre-Europe era, 1967 was the last time the USA more than doubled the GB (or GB & Ireland) total (23½–8½, which equates to 20½–7½).
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