Dong, Peicong
Current rating: 1547
Record: 8-6
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 109 | Rogers, Dakota (1548) | Won 2-0 | +181541 |
| 2pioneer | 1 | Gardner, Josh (1464) | Won 2-0 | +171558 |
| 3pioneer | 67 | Spicer, Kory (1495) | Won 2-1 | +171575 |
| 4pioneer | 87 | Henriksen, Kyle (1685) | Lost 0-2 | -161559 |
| 5pioneer | 93 | Zax, Aryeh (1869) | Lost 1-2 | -131546 |
| 6pioneer | 169 | Dufek, Jacob (1585) | Won 2-0 | +191565 |
| 7pioneer | 155 | Siegel, Mickey (1547) | Lost 0-2 | -181547 |
| average opponent: 1599record: 4-3 | new rating: 1547 | |||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 356 | Ledbetter, Thomas (1501) | Won 2-1 | +181518 |
| 2standard | 34 | Maxwell, Brad (1539) | Won 2-1 | +181536 |
| 3standard | 101 | Peltz, Brian (1503) | Won 2-1 | +181554 |
| 4standard | 51 | Wood, Rick (1610) | Lost 0-2 | -171537 |
| 5standard | 189 | Bird, Jordan (1630) | Lost 0-2 | -161521 |
| 6standard | 357 | Gibson, Erik (1517) | Won 2-0 | +171538 |
| 7standard | 233 | Keeth, Christian (1675) | Lost 1-2 | -151523 |
| average opponent: 1568record: 4-3 | new rating: 1523 | |||