Grann, Samuel
Current rating: 1545
Record: 7-6
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 18 | Tozer, Josh (1500) | Won 2-0 | +191489 |
| 2extended | 49 | Cairns, Corey (1500) | Won 2-0 | +181507 |
| 3extended | 136 | Balla, John (1706) | Lost 1-2 | -151492 |
| 4extended | 160 | Jures, Robert (1519) | Won 2-1 | +191511 |
| 5extended | 145 | Mantey, Tyler (1811) | Lost 0-2 | -131498 |
| 6extended | 169 | Carleton-Barnes, Gabriel (1742) | Won 2-0 | +231521 |
| 7extended | 132 | Gilliam, Joseph (1549) | Won 2-0 | +181539 |
| 8extended | 90 | Goodman, Kyle (1835) | Won 2-0 | +231562 |
| 9extended | 41 | Stewart, Josh (1596) | Lost 0-2 | -171545 |
| average opponent: 1640record: 6-3 | new rating: 1545 | |||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 40 | Cliffgard, Wade (1500) | Won 2-0 | +181518 |
| 2extended | 18 | Neufeld, Peter (1518) | Lost 0-2 | -181500 |
| 3extended | 110 | Seck, Ben (1824) | Lost 0-2 | -121488 |
| 4extended | 169 | Wowelko, Nicholas (1513) | Lost 0-2 | -181470 |
| average opponent: 1589record: 1-3 | new rating: 1470 | |||