Here's an 8 card double-dummy problem demonstrating a secondary compound squeeze with a veering squeeze card in the ending:
♠ | A Q 9 2 | ||||
♥ | A K 5 4 | ||||
♦ | |||||
♣ | |||||
♠ | J 10 8 | ♠ | K 4 3 | ||
♥ | Q J 10 | ♥ | 9 8 7 | ||
♦ | K J | ♦ | A Q | ||
♣ | ♣ | ||||
♠ | |||||
♥ | 3 2 | ||||
♦ | 4 3 2 | ||||
♣ | A K Q |
Clubs trump. South to lead and take 7 of the last 8 tricks.
Solution below the fold.
Cash a trump. West must pitch a diamond (or set up spades or heart-spade strip vs East), then East is triple-squeezed. If a spade is pitched, use the 2 heart entries to ruff out the king and then enjoy the queen. If a diamond is pitched, duck a diamond to set up that suit. So, East must part with a heart.
On the next trump, West is triple squeezed. On a spade pitch, you can again cross to ruff out the king while pinning West's honors. A heart pitch sets up that suit. So West must pitch another diamond.
Now, cash the hearts and lead a 3rd one in this position:
♠ | A Q 9 | ||||
♥ | 4 | ||||
♦ | |||||
♣ | |||||
♠ | J 10 8 | ♠ | K 4 | ||
♥ | Q | ♥ | |||
♦ | ♦ | A Q | |||
♣ | ♣ | ||||
♠ | |||||
♥ | |||||
♦ | 4 3 2 | ||||
♣ | Q |
This is the "familiar" veering squeeze card ending. If East pitches down to one diamond, ruff and throw him in to lead into dummy's spade tenace. If East blanks the ♠K, pitch a diamond. West wins and leads a spade so you can drop the king and get home.
Verified with Deep Finesse.
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