As an extension to standard count signals that only show an even or odd # of cards, Bechgaard signals show an exact # of cards when holding a 5, 6, or 7 card suit. In count situations, the defender follows suit or discards thusly:
From a 5-card suit, play 4th-highest, 3rd-highest, and then 5th-highest. Example:
From a 6-card suit, play 4th-highest, 5th-highest, and then 6th-highest. Example:
From a 7-card suit, peter twice ( high-low) by playing 6th-highest, 7th-highest, 4th-highest, and finally 5th-highest. Example:
Bechgaard signals are named for their inventor, the late South African expert Kai Bechgaard.
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