# 9th Place Solution I am truly grateful for this invaluable opportunity. This marks my first gold medal. For my approach, I trained a model using data where efs = 1 and then adjusted the predictions by multiplying them by the probability of efs being 1. Unfortunately, I only realized this method two days before the submission deadline, leaving me with limited time for thorough analysis. Here is my final configuration: ![](assets/5af29394b21459377c0786ca.png) Thank you!