Oreta, Jeff
Current rating: 1494
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Luo, Jacqueline (1500) | Won 2-0 | +181511 |
| 2sealed | 54 | Yarrow, Ivy (1515) | Won 2-1 | +191530 |
| 3sealed | 54 | Ribeiro, David Antonio (1535) | Lost 0-2 | -181512 |
| 4sealed | 158 | Marchi, Jonathan (1518) | Lost 0-2 | -181494 |
| 5sealed | 189 | Brunelle, Moise (1502) | Won 2-0 | +181512 |
| 6sealed | 124 | Myers, Jonathan R (1512) | Lost 0-2 | -181494 |
| top | average opponent: 1514record: 3-3 | new rating: 1494 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 368 | Mitamura, Kazuya (1815) | Lost 0-2 | -131527 |
| 5sealed | 460 | Wemyss, Ceilyn (1674) | Lost 1-2 | -161511 |
| 6sealed | 472 | Li, Roger (1519) | Lost 1-2 | -181493 |
| top | average opponent: 1669record: 0-3 | new rating: 1493 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 140 | slako, oliver (1500) | Draw 1-1 | 01500 |
| 2block | 185 | Bakht, Sacha (1501) | Lost 0-2 | -181482 |
| 3block | 272 | Jepson, Danielle (1482) | Won 2-0 | +181500 |
| 4block | 229 | Artzy, Noa (1500) | Won 2-1 | +181518 |
| 5block | 170 | Angulo, Enrique (1563) | Won 2-1 | +191537 |
| 6block | 113 | Russell, Paul (1609) | Won 2-0 | +191556 |
| 7block | 68 | Pereira, Christiano (1610) | Lost 1-2 | -171539 |
| 8block | 102 | Dadd, Clayton (1537) | Won 0-0 | +181557 |
| 9block | 71 | Sim, Daniel (1585) | Lost 0-0 | -171540 |
| top | average opponent: 1543record: 5-3-1 | new rating: 1540 | ||