BXP World Tour | Ep. 6: Only 25% Reached the National Stage
The Regional Phase of the BXP World Tour is over, and only 25% of players advanc...

Squeezes can be hard to spot, did you find this one? Also knowing how to trump properly can be hard too.
I think, board 4 you should play safely to the K heart not finessing Q. If E take Q heart opps take club ruff and you will fall down under one (A and Q heart, A diamond and club ruff).
Playing to K heart and heart is safely because you loose only A and Q heart and A diamond.