Celebrating the bridge club without walls
For more than two decades, players around the world have come to BBO to play, co...

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.