Olsen, Jeff
Current rating: 1418
Record: 2-7 (GP) / 3-4 (professional)
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 385 | Moody, Matthew (1518) | Lost 1-2 | -171451 |
| 3sealed | 538 | Tackaberry, Scott (1449) | Lost 1-2 | -181433 |
| 4sealed | 578 | Haley, Mike (1563) | Lost 0-2 | -151418 |
| top | average opponent: 1510record: 0-3 | new rating: 1418 | ||
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Wiener, Sam (1537) | Won 2-1 | +191518 |
| 2sealed | 90 | McCarthy, Jack (1517) | Won 2-1 | +181536 |
| 3sealed | 26 | MacDonald, Dan J (1534) | Lost 1-2 | -181518 |
| 4sealed | 79 | Rider, Josh (1811) | Lost 0-2 | -131505 |
| 5sealed | 158 | Stachurski, Richard (1463) | Lost 1-2 | -191486 |
| 6sealed | 128 | Hoyles, James M (1482) | Lost 0-2 | -181468 |
| top | average opponent: 1557record: 2-4 | new rating: 1468 | ||
| Pro Tour Barcelona 2001 (PLS draft) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 147 | Johns, Scott (1865) | Lost 0-2 | -121488 |
| 2draft | 120 | Jones, Craig (1592) | Won 2-1 | +201508 |
| 3draft | 44 | Chiera, Luca (1638) | Lost 0-2 | -151493 |
| 4draft | 108 | Halter, James (1590) | Won 2-0 | +191512 |
| 5draft | 130 | Carpenter, Ryan (1606) | Lost 0-2 | -161496 |
| 6draft | 114 | Doise, Jan (1683) | Lost 0-2 | -151481 |
| 7draft | 122 | Malin, Antti (1476) | Won 2-1 | +181499 |
| top | average opponent: 1636record: 3-4 | new rating: 1499 | ||