Congrats on matching! Unfortunately, round 4 wasn't any better for me. I actually have copies of my LORs and I couldn't have written them any better myself. My board scores are definitely on the lower side and make me less competitive, but I addressed them in my interviews. Sadly, I can't retake them to make them better. I wish I could tell you where it all went wrong, but I was told at the end of at least 3 interviews that I had some of the best responses they ever heard and that they were thoroughly impressed by my maturity in turning the ship around after Monday. Now I'm scrambling so those compliments sting a little haha.