Leahy, Nathan
Current rating: 1389
Record: 8-15
| Grand Prix Oakland 2019 (modern) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 289 | Abukweik, Adham (1407) | Won 2-0 | +181436 |
| 2modern | 37 | Wiedhopf, Zachary (1491) | Lost 0-2 | -171419 |
| 3modern | 356 | De Valpine, Luke (1503) | Won 2-0 | +191438 |
| 4modern | 217 | Mitchell, Miles (1575) | Lost 1-2 | -151423 |
| 5modern | 340 | Kominowski, Maxx (1495) | Lost 0-2 | -171406 |
| 6modern | 337 | Brown, Curtis (1439) | Lost 1-2 | -171389 |
| top | average opponent: 1485record: 2-4 | new rating: 1389 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Moreno, Daniel (1410) | Lost 1-2 | -191429 |
| 2standard | 265 | Pham, Paul (1482) | Lost 0-2 | -171412 |
| 3standard | 496 | Pollack, Hayley (1459) | Lost 1-2 | -171395 |
| 4standard | 485 | Mendoza, Brandon (1370) | Won 2-0 | +181413 |
| 5standard | 424 | Boonjue, Tex (1485) | Won 2-1 | +191432 |
| 6standard | 373 | Jones, Ryan (1490) | Lost 0-2 | -171415 |
| 7standard | 334 | Bullick, Kathleen (1389) | Won 2-0 | +181433 |
| 8standard | 249 | Steiner, Casey (1616) | Lost 0-2 | -151418 |
| top | average opponent: 1463record: 3-5 | new rating: 1418 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Bieber, Jay (1484) | Lost 0-2 | -181465 |
| 2sealed | 426 | Seaton, Carl (1501) | Won 2-1 | +191484 |
| 3sealed | 456 | Pospischil, Mark (1502) | Lost 1-2 | -181466 |
| 4sealed | 522 | Madden, Brian (1483) | Lost 0-2 | -181448 |
| top | average opponent: 1493record: 1-3 | new rating: 1448 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 375 | DeFilippo, Alec (1464) | Lost 0-2 | -191481 |
| 2modern | 330 | Jacobson, Jeremy (1521) | Lost 0-2 | -171464 |
| 3modern | 588 | Miller, Joshua (1475) | Won 2-0 | +181482 |
| 4modern | 597 | Ross, Ian (1486) | Lost 0-2 | -181464 |
| 5modern | 569 | Prokesch, Scott (1493) | Won 2-0 | +191483 |
| top | average opponent: 1488record: 2-3 | new rating: 1483 | ||