Larson, Koltton
Current rating: 1503
Record: 6-6
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 196 | Stairs, Sean (1500) | Lost 0-2 | -181484 |
| 2modern | 354 | Allen, Joshua (1331) | Won 2-0 | +161500 |
| 3modern | 285 | Zuckerman, Mickey (1500) | Lost 1-2 | -181482 |
| 4modern | 309 | Brudvig, Kevin (1470) | Won 2-0 | +171499 |
| 5modern | 309 | Grant, Phillip (1409) | Won 2-0 | +171516 |
| 6modern | 133 | Zaczek, Jonathon (1815) | Lost 0-2 | -131503 |
| average opponent: 1504record: 3-3 | new rating: 1503 | |||
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Croft, Blair (1637) | Lost 1-2 | -161484 |
| 2standard | 269 | Pham, Tyler (1488) | Lost 1-2 | -171467 |
| 3standard | 368 | Carrick, Emily (1434) | Won 2-0 | +171484 |
| 4standard | 313 | Brooks, Matthew (1368) | Won 0-0 | +161500 |
| 5standard | 294 | Lowery, Skyler (1625) | Won 2-0 | +201520 |
| 6standard | 175 | Livingston, Cooper (1533) | Lost 0-2 | -181502 |
| average opponent: 1514record: 3-3 | new rating: 1502 | |||