McCarthy, Nathan
Current rating: 1432
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 158 | Trudel, Christian (1620) | Lost 1-2 | -141432 |
| top | record: 0-1 | new rating: 1432 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 173 | Mullen, Collins (1779) | Won 2-0 | +241473 |
| 4sealed | 65 | Connors, Parker (1563) | Lost 0-2 | -171456 |
| 5sealed | 100 | Sikkink Johnson, Matt (1942) | Lost 1-2 | -101446 |
| top | average opponent: 1761record: 1-2 | new rating: 1446 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 179 | Goheen, Rigel (1515) | Lost 1-2 | -181482 |
| 4standard | 219 | Johnston, James (1520) | Lost 1-2 | -171465 |
| 5standard | 350 | Martini, Matthew (1563) | Lost 1-2 | -161449 |
| top | average opponent: 1533record: 0-3 | new rating: 1449 | ||