It is named after British player Nico Gardener. The partner, if interested in game, checks the "seriousness" of the overcall by bidding 2, and the overcaller responds 2NT with real notrump overcall, and corrects to a suit (or passes with clubs) if weak.
It is named after British player Nico Gardener. When playing in a partnership game, one assesses the "seriousness" of an overcall by bidding 2, and the overcaller responds with 2NT, signifying real notrump overcall, before adjusting to a particular suit (or passing with clubs) if weak.