Colio, Ivan
Current rating: 1524
Record: 7-6
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 53 | Boyko, Derek K (1548) | Won 2-1 | +181581 |
| 2standard | 204 | Seed, Huckleberry (1561) | Lost 0-2 | -191562 |
| 3standard | 472 | Nguyen, Khanh (1499) | Lost 0-2 | -191543 |
| 4standard | 589 | Reyes, Evan (1482) | Lost 0-2 | -191524 |
| average opponent: 1523record: 1-3 | new rating: 1524 | |||
| Grand Prix San Diego 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 66 | Herberholz, Mark (1730) | Lost 1-2 | -141486 |
| 2modern | 223 | Elmore, Jim (1481) | Won 2-1 | +181504 |
| 3modern | 184 | Meza, Zakk (1557) | Won 2-0 | +191523 |
| 4modern | 166 | Pichardo, Luis (1643) | Lost 1-2 | -161507 |
| 5modern | 200 | Baciak, Brad (1377) | Won 2-1 | +161523 |
| 6modern | 172 | Ford, Jason (1767) | Lost 0-2 | -141509 |
| 7modern | 215 | Nguyen, Victor (1512) | Won 2-0 | +181527 |
| 8modern | 167 | Blair, Christopher (1517) | Won 2-0 | +181545 |
| 9modern | 134 | Sanchez, Martin (1540) | Won 2-1 | +181563 |
| average opponent: 1569record: 6-3 | new rating: 1563 | |||