Shum, Ibrahim O
Current rating: 1506
Record: 3-3
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Theriault, Jean-philip (1500) | Lost 1-2 | -181482 |
| 2sealed | 203 | Fernandes, John (1428) | Won 2-0 | +171499 |
| 3sealed | 141 | Lyrette, Styve (1500) | Won 2-1 | +181517 |
| 4sealed | 169 | Hipp, Sarah (1518) | Won 2-0 | +181535 |
| 5sealed | 108 | Jiang, Jay (1618) | Lost 1-2 | -161519 |
| 6sealed | 101 | Shapiro, Jeremy (1823) | Lost 0-2 | -131506 |
| average opponent: 1564record: 3-3 | new rating: 1506 | |||