Opener | Overcaller | |
3 ♦ | Dbl | For penalties. |
Opener | Overcaller | |
3 ♦ | 3 ♥ | Showing a takeout double of 3 ♦. |
Fishbein only applies in the direct position; it is off in the balancing seat.
Fishbein is named for its American inventor Harry Fishbein.
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