Position 1

Before the start Yellow and Blue are on opposite tacks with both boats head to wind. After some time both begin moving astern.

Position 2

Both reach a close-hauled course, but continue moving astern

Position 3

Blue begins to move forward on a course to pass in front of Yellow. Yellow continues to move astern.

Position 4

Yellow begins to move forward, and from this moment Blue can no longer pass in front of Yellow. Blue immediately luffs to tack.

Position 5

Blue tacks, but before she reaches close hauled Yellow luffs to avoid contact. Flag Y is displayed. What should the call be?