CrossFit Games Open 13.5:
Complete as many rounds and reps as possible in 4 minutes of: 100/65 pound Thruster, 15 reps 15 Chest to bar Pull-ups
If 90 reps (3 rounds) are completed in under 4 minutes, time extends to 8 minutes. If 180 reps (6 rounds) are completed in under 8 minutes, time extends to 12 minutes. If 270 reps (9 rounds) are completed in under 12 minutes, time extends to 16 minutes. Etc.
Here is a more detailed explanation of the workout.
Here is a video explaining the movement standards.
Don’t worry if you are not competing in the Open. There will be scaling options available for everyone. If you are not competing and you have never done “Fran”, you will do that.