Using Rupture on creeps in combination with Carnivore is a good way to gain Health and Mana.
If you're having difficulty feasting upon champions, try eating minions until you're larger.
Try to line up your attacks with Vorpal Spikes so that they kill minions and harass enemy champions at the same time.
The stats shown on this page highlight several critical Cho'Gath versus Rell matchup statistics that may help you explain the differences between the two. As an example, Cho'Gath’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Rell’s ratio of NaN, highlighting that Cho'Gath may be more central to his team's team fighting effectiveness than Rell. This observation is largely fueled by the difference in kills.
Cho'Gath often has a much larger longest killing spree than his foe does. Commonly, he receives more damage than Rell. This often reflects differing health capacities; however, it can also show that the champion with increased HP has less mobility and thus is not able to flee from further harm when poked or engaged.
Both League of Legends champs are great. Both have their pros and cons. In League's current meta, Cho'Gath usually wins when trying to fight Rell, with a 51.8% win rate. As a result, Cho'Gath makes a good counter to Rell.
While Cho'Gath does have a higher win rate than Rell, when they face off with one another, Cho'Gath also has a much greater learning curve that makes him a more difficult champ to pick up and master. You still need to be cautious when picking Cho'Gath into Rell.
Moreover, Cho'Gath also has some amount of utility and CC, a similar amount to Rell. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Cho'Gath vs Rell matchups, Cho'Gath is the better champion with a higher win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Cho'Gath is a decent counter for Rell. You will do well by focussing your strategy on increasing your gold income and clearing objectives. If you are able to do that, you should do very well as Cho'Gath against Rell.
If you would like to learn all of the intricacies of Cho'Gath in order to counter Rell during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you mind the build and tips presented above, you should grow your win rate significantly and be closer to League of Legends pro players.
Cho'Gath most often gets much more CS compared to Rell. Champions who on average don't get much CS often don't require much CS to be effective, such as sup champs. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either case, try to do better than the numbers reported on this page to do well.
The most crucial items to focus on in your Cho'Gath versus Rell build include Unending Despair, Heartsteel, and Hollow Radiance. When Cho'Gath combined at least these three pieces in his build, he did a lot better when facing Rell than with many other typical counter builds. In fact, Cho'Gath had an average win rate of 51.8% when countering Rell with this counter build.
To have the highest chance of annihilating Rell as Cho'Gath, Cho'Gath players should use the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Magical Footwear runes from the Resolve and Inspiration rune sets. Out of all the runes players used for Cho'Gath vs Rell face-offs, this mix of runes yielded the greatest win rate. In fact, these runes gave a 51.8% win rate overall.
By default, tips, stats, and builds on how to beat Rell as Cho'Gath are given for every ranked division. To narrow the stats and builds to an individual division, you can use the selection menu earlier on the page.