QT7 opposite AKxx
Take at least 3 tricks.
Working out what every card is worth…
The figure is for the whole plan, not the chance left from here. Over every way the cards could lie, it's the share on which the best plan through that card guarantees the target, with the cards already played fixed and the branches you didn't take left open. So a card never shows more than the line's first figure, and a card that throws the plan away shows 0%.
An entry is counted each time the lead has to change hands after a trick you won, in either direction; the first lead, and the lead after a trick the defenders won, are free from either hand.
Nothing here is recorded. For a combination that counts, take a rated one.