Holmes, John
Current rating: 1537
Record: 5-3
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Coppinger, Clarence (1450) | Won 2-0 | +171517 |
| 2modern | 131 | Tople, Jonathan (1496) | Won 2-1 | +181535 |
| 3modern | 80 | Grafton, Michael (1516) | Won 2-0 | +171552 |
| 4modern | 3 | Bourbon, Michael (1556) | Won 2-1 | +181570 |
| 5modern | 9 | Miller, Les (1688) | Lost 0-1 | -151555 |
| 6modern | 50 | Gertz, Jacob (1590) | Won 2-0 | +181573 |
| 7modern | 21 | Keffer, Christian (1603) | Lost 1-2 | -171556 |
| 8modern | 65 | Kurty, Nathaniel (1528) | Lost 0-2 | -191537 |
| average opponent: 1553record: 5-3 | new rating: 1537 | |||