O'Donnell, Kolbe
Current rating: 1390
Record: 4-11-1
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | White, Neil (1500) | Lost 0-1 | -161381 |
| 2standard | 300 | Norte, Alain (1481) | Won 2-0 | +201401 |
| 3standard | 349 | Eby, Logan (1499) | Lost 0-2 | -161385 |
| 4standard | 441 | Ma, Matthew (1424) | Lost 1-2 | -171368 |
| 5standard | 443 | Todd, Joshua (1509) | Won 2-0 | +201388 |
| 6standard | 366 | Stahl, Brian (1482) | Won 2-0 | +201408 |
| 7standard | 266 | Hodge, Adrian (1388) | Lost 1-2 | -181390 |
| top | average opponent: 1469record: 3-4 | new rating: 1390 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 294 | Pierce, Morgan (1500) | Lost 0-2 | -171413 |
| 2modern | 868 | Lane, Zachary (1526) | Lost 0-2 | -161397 |
| top | average opponent: 1513record: 0-2 | new rating: 1397 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 326 | Brown, Alex 2747 (1500) | Lost 0-2 | -181482 |
| 2modern | 784 | Yang, Jay (1469) | Lost 1-2 | -181464 |
| 3modern | 1016 | Mendoza Cruz, Gerardo (1579) | Draw 1-1 | +21466 |
| 4modern | 998 | Gonzalez, Gabriel (1499) | Lost 1-2 | -181448 |
| 5modern | 1012 | Eusebio, Armin (1446) | Won 2-0 | +181466 |
| 6modern | 899 | Chadwick, Richard (1462) | Lost 0-2 | -181448 |
| 7modern | 820 | Tabor, Matthew (1435) | Lost 0-2 | -181430 |
| top | average opponent: 1484record: 1-5-1 | new rating: 1430 | ||