Yi, John
Current rating: 1496
Record: 6-6
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Connolly, James (1505) | Won 2-1 | +181517 |
| 2sealed | 377 | Lagarenne, Matthew (1518) | Lost 0-2 | -181499 |
| 3sealed | 641 | Stevenson, Scott (1495) | Won 2-0 | +181517 |
| 4sealed | 451 | Ostrander, Alexis (1469) | Won 2-0 | +171534 |
| 5sealed | 318 | Tierney, Joseph (1519) | Lost 0-2 | -181516 |
| 6sealed | 446 | Foster, Michael (1428) | Lost 1-2 | -201496 |
| average opponent: 1489record: 3-3 | new rating: 1496 | |||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Dean, William (1431) | Lost 1-2 | -191481 |
| 2sealed | 300 | DeVere, Matthew (1445) | Lost 1-2 | -191462 |
| 3sealed | 515 | Kougasian, Will (1463) | Won 2-1 | +181480 |
| 4sealed | 421 | Barnett, Joshua (1432) | Won 2-1 | +171497 |
| 5sealed | 283 | Somerville, Michael (1491) | Won 2-0 | +181515 |
| 6sealed | 237 | Johnson, William (1605) | Lost 0-2 | -161499 |
| average opponent: 1478record: 3-3 | new rating: 1499 | |||