Johnston, Eric S
Current rating: 1483
Record: 4-5
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 90 | Mohler, Michael (1500) | Won 2-0 | +181518 |
| 2legacy | 150 | Coppola, Christopher (1560) | Lost 0-2 | -171501 |
| 3legacy | 117 | Hivick, Ben (1501) | Lost 1-2 | -181483 |
| 4legacy | 274 | Richard, Paden (1480) | Won 2-0 | +181501 |
| 5legacy | 171 | Higgins, Brian J (1483) | Won 2-1 | +171518 |
| 6legacy | 175 | Brierley, Don C (1464) | Lost 1-2 | -191499 |
| 7legacy | 152 | Sussino, Tim (1597) | Lost 1-2 | -161483 |
| 8legacy | 120 | Panduro Kjeldsen, Jeppe (1487) | Won 2-1 | +181501 |
| 9legacy | 89 | Kold, Philip (1503) | Lost 0-2 | -181483 |
| average opponent: 1508record: 4-5 | new rating: 1483 | |||