Antosh, John
Current rating: 1531
Record: 9-7
| Grand Prix Toronto 2018 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 88 | Solar, James (1424) | Won 2-0 | +161512 |
| 2modern | 362 | Marcos, Paulo (1518) | Won 2-0 | +181530 |
| 3modern | 64 | Maijala, Kirk (1499) | Lost 0-2 | -181512 |
| 4modern | 254 | Gaynor, William (1517) | Won 2-0 | +181530 |
| 5modern | 132 | Marshall, Matthew (1505) | Won 2-1 | +171547 |
| 6modern | 178 | Farrenkopf, Brian (1582) | Lost 0-2 | -171530 |
| 7modern | 193 | Larter, Brian (1606) | Lost 0-2 | -171513 |
| 8modern | 256 | Williams, Andrew (1473) | Won 2-1 | +181531 |
| average opponent: 1515record: 5-3 | new rating: 1531 | |||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 122 | Bateman, Chris (1500) | Won 2-0 | +181518 |
| 2modern | 122 | Thomas, Micah (1487) | Lost 0-2 | -191499 |
| 3modern | 964 | Lowry, Nick (1430) | Lost 0-2 | -191480 |
| 4modern | 1009 | French, Morgan (1480) | Won 2-0 | +181498 |
| 5modern | 822 | Allen, Brandon (1422) | Won 2-0 | +171515 |
| 6modern | 708 | Varner, Adam (1467) | Lost 0-2 | -191496 |
| 7modern | 557 | Simoski, Danny (1467) | Won 2-1 | +171513 |
| 8modern | 586 | Giordimaina, Anthony (1520) | Lost 0-2 | -171496 |
| average opponent: 1472record: 4-4 | new rating: 1496 | |||