The club ace was led, on which East dropped the queen.

When the heart six was led to the ace, South dropped the queen.

He later played the king of diamonds, dropped the queen and made his game.

South put up the king and dropped the queen, giving South a winner that on the face of it had no particular value.

The singleton club was led to the king, and South dropped the queen.

This failed to drop the queen, but it squeezed West: he could not protect both black suits, and the game was made.

South tried to confuse the issue by dropping the queen, but West knew what to do.

South led the diamond king, and Srenco dropped the queen.

South led a spade and guessed right by putting up the king to drop the queen.

And I should have dropped the queen under the ace.