Co, Christopher
Current rating: 1535
Record: 8-6
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Nguyen, Philip (1554) | Lost 0-2 | -171500 |
| 2sealed | 580 | Wright, William (1501) | Won 2-1 | +181518 |
| 3sealed | 418 | Armstrong, Alex (1499) | Won 2-0 | +171535 |
| 4sealed | 552 | Hawbaker, Tim (1518) | Won 2-1 | +181553 |
| 5sealed | 283 | Holcomb, John (1465) | Lost 0-2 | -191534 |
| 6sealed | 272 | Sellers, Josh (1618) | Lost 1-2 | -171517 |
| 7sealed | 560 | Calabrese, Eli (1504) | Won 2-0 | +181535 |
| average opponent: 1523record: 4-3 | new rating: 1535 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 538 | Rice, Remington (1547) | Lost 0-2 | -171483 |
| 2standard | 845 | Singletery, Christopher (1481) | Lost 0-2 | -181465 |
| 3standard | 985 | Johnson, Devin (1464) | Won 2-1 | +181483 |
| 4standard | 893 | Laster, Kyle (1481) | Won 2-1 | +181501 |
| 5standard | 771 | Zeimentz, Mike (1474) | Won 2-0 | +171518 |
| 6standard | 621 | Patterson, Matthew (1454) | Won 2-0 | +171535 |
| 7standard | 620 | Elfanbaum, Sammy (1534) | Lost 0-2 | -181517 |
| average opponent: 1491record: 4-3 | new rating: 1517 | |||