Marcia, Joseph
Current rating: 1510
Record: 3-3
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 223 | Obejas, Ammi (1859) | Lost 1-2 | -121488 |
| 4modern | 198 | LoDolce, Darius (1517) | Lost 0-2 | -171471 |
| 5modern | 460 | Monroe, Michael (1491) | Won 2-1 | +181489 |
| 6modern | 347 | Pfeifer, Richard (1528) | Lost 1-2 | -171472 |
| 7modern | 316 | Murray, Ian (1544) | Won 2-1 | +191491 |
| 8modern | 261 | Martinez, Dakota (1518) | Won 2-1 | +191510 |
| average opponent: 1576record: 3-3 | new rating: 1510 | |||