Grade discrepancy OS vs RP

In the 8a scorecard set up, an onsight adds three grades more points compared to a redpoint, i.e. a 7a OS = 7B+ RP, more or less.

As a general guideline and example, someone who can consistently onsight tricky, vertical 7a granite routes, can likely redpoint an 8a after multiple sessions (let's say 15 give or take). On the other hand, someone who onsights some chalked, straight-forward, well-travelled 7a’s on Kalymnos, might still have a hard time quickly redpointing 7b’s on the island.

If we look at Adam Ondra, who is the best onsight climber in the world, he still has a four grade discrepancy, i.e. 9a OS vs 9c RP. The reason for this big difference is that Ondra projected his hardest climb for a couple of years including specific replica training. For the average climber who does not spend more than five sessions on a project, it is common that the grade discrepancy, OS vs RP, is 3 grades. The 3 grade separation can also be used to measure your grade pyramid. In Ondra's case (seen in the picture), he has a very broad and high volume of onsight climbing recorded, especially from 8a to 8c.