Sergeant, Geoff
Current rating: 1549
| Grand Prix Austin 2004 (COK limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Dalton, Kirk (1500) | Lost 0-2 | -191536 |
| 2sealed | 137 | Lane, Jack (1483) | Won 2-0 | +171553 |
| 3sealed | 84 | Brown, Ted (1501) | Won 2-0 | +171570 |
| 4sealed | 102 | Powell, Jacob (1518) | Won 2-1 | +171587 |
| 5sealed | 67 | Pence, Sammy (1502) | Lost 0-2 | -191568 |
| 6sealed | 92 | LeJeune, Derek (1521) | Lost 0-2 | -191549 |
| top | average opponent: 1504record: 3-3 | new rating: 1549 | ||
| Grand Prix New Orleans 2001 (INV limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Patronick, Tony (1481) | Lost 0-2 | -191482 |
| 2sealed | 136 | Arnold, Eric (1482) | Won 2-1 | +181500 |
| 3sealed | 147 | Giles, Steve (1535) | Won 2-0 | +191519 |
| 4sealed | 87 | Kelton, Gregory (1518) | Lost 1-2 | -181501 |
| 5sealed | 136 | Landriz, Erik (1574) | Won 2-0 | +191520 |
| 6sealed | 87 | Miller, Stephen (1552) | Won 2-1 | +191539 |
| 7sealed | 86 | Hustad, James (1440) | Won 2-1 | +161555 |
| top | average opponent: 1512record: 5-2 | new rating: 1555 | ||
| Grand Prix Dallas 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 46 | Opalka, Jason (1506) | Lost 1-2 | -181482 |
| 5sealed | 37 | Watson, DeQuan (1480) | Lost 0-2 | -181464 |
| 6sealed | 75 | Matsumura, Toru (1464) | Won 2-1 | +181482 |
| 7sealed | 39 | Dunning, Laurie (1510) | Won 2-1 | +191501 |
| top | average opponent: 1490record: 2-2 | new rating: 1501 | ||