Jitloedlamphakdee, Isoon
Current rating: 1459
Record: 4-7
| Grand Prix Oakland 2019 (modern) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Santana, Jose (1500) | Won 2-0 | +191470 |
| 2modern | 55 | Sheftel, Alex (1690) | Lost 0-2 | -141456 |
| 3modern | 387 | Hubbard, Jay (1506) | Lost 1-2 | -171439 |
| 4modern | 499 | Boerner, Thomas (1492) | Won 2-1 | +191458 |
| 5modern | 306 | Kennedy, Tyler (1546) | Won 2-1 | +191477 |
| 6modern | 195 | Keeline, Chris (1469) | Lost 1-2 | -181459 |
| average opponent: 1534record: 3-3 | new rating: 1459 | |||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 52 | Warner, Samuel (1517) | Won 2-1 | +181518 |
| 3sealed | 135 | Di Cesare, Marco (1609) | Lost 1-2 | -161502 |
| 4sealed | 348 | Maynard, David (1521) | Lost 1-2 | -181484 |
| 5sealed | 318 | Otis, James (1455) | Lost 0-2 | -181466 |
| 6sealed | 408 | Wang, Wilson (1641) | Lost 0-2 | -151451 |
| average opponent: 1549record: 1-4 | new rating: 1451 | |||