Cao, John
Current rating: 1455
Record: 5-8
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Amos, Dennis (1478) | Lost 0-2 | -171413 |
| 2sealed | 297 | Kelley, Erin (1408) | Lost 1-2 | -181395 |
| 3sealed | 503 | Truelsen, Samantha (1413) | Won 2-0 | +181413 |
| 4sealed | 486 | Guiley, Travis (1437) | Won 2-0 | +191432 |
| 5sealed | 399 | Kelley, Connor (1281) | Won 2-0 | +151447 |
| 6sealed | 321 | Robitaille, Luc (1499) | Lost 1-2 | -171430 |
| 7sealed | 271 | Ulland, Mike (1527) | Lost 1-2 | -161414 |
| 8sealed | 322 | Cozzoli, Kevin (1484) | Won 2-1 | +191433 |
| 9sealed | 294 | Sloan, Shawn (1626) | Won 2-0 | +221455 |
| average opponent: 1461record: 5-4 | new rating: 1455 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 623 | Panara, Bruno (1505) | Lost 0-2 | -181482 |
| 2sealed | 664 | Henderson, Craig (1493) | Lost 1-2 | -181464 |
| 3sealed | 895 | Dickel, Matthew (1579) | Lost 0-2 | -161448 |
| 4sealed | 854 | Mariano, Jonathan (1447) | Lost 0-2 | -181430 |
| average opponent: 1506record: 0-4 | new rating: 1430 | |||