This is the original name for a negative doubled, so named because its launch coincided with the launch of the Sputnik space rocket. In the sequence 1♣-1♠-double, the double suggests four hearts rather than a desire to penalise spades.
This is the original name for a negative doubled, so named because its launch coincided with the launch of the Sputnik space rocket. In the sequence 1♣-1♠-double, the double suggests four hearts rather than a desire to penalise spades.