Clifton, Jonathan
Current rating: 1631
| Grand Prix Charlotte 2005 (extended) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 156 | Hinson, Pat (1500) | Won 2-1 | +171590 |
| 2extended | 13 | Sweet, Anthony (1518) | Won 2-1 | +161606 |
| 3extended | 37 | Loden, Lance (1688) | Won 2-1 | +201626 |
| 4extended | 56 | Wilder, Greg (1523) | Lost 0-2 | -201606 |
| 5extended | 88 | Fulop, Brian (1506) | Won 2-1 | +161622 |
| 6extended | 44 | Herberholz, Mark (1871) | Won 2-1 | +231645 |
| 7extended | 31 | Atkinson, Dallin (1579) | Won 2-1 | +161661 |
| 8extended | 13 | Neary, Nicholas (1585) | ID | 01661 |
| 9extended | 13 | Thompson, Gerry (1821) | Lost 1-2 | -151646 |
| 10extended | 22 | Huang, Don (1632) | Lost 0-2 | -181628 |
| 11extended | 28 | Postlethwait, William (1789) | Lost 1-2 | -151613 |
| 12extended | 30 | Lane, Jason (1506) | Won 2-0 | +161629 |
| 13extended | 26 | Mack, Kyle (1528) | Won 2-1 | +161645 |
| 14extended | 22 | Lieberman, Alex (1844) | Lost 1-2 | -141631 |
| top | average opponent: 1635record: 8-5-1 | new rating: 1631 | ||
| Grand Prix Philadelphia 2005 (legacy) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 7 | Cuevas, Miguel (1519) | Won 2-1 | +181517 |
| 2legacy | 30 | Bomholt, Michael (1518) | Lost 0-2 | -181499 |
| 3legacy | 130 | Johnson, Ryan (1451) | Won 2-0 | +171516 |
| 4legacy | 132 | Manning, Christopher (1783) | Lost 0-2 | -131503 |
| 5legacy | 173 | Firkal, Joshua (1504) | Won 2-1 | +181521 |
| 6legacy | 113 | Harrison, Richard L (1538) | Won 2-0 | +181539 |
| 7legacy | 81 | Maurice, Matthew (1519) | Won 2-0 | +181557 |
| 8legacy | 60 | Touart, Camden (1461) | Won 2-1 | +161573 |
| top | average opponent: 1537record: 6-2 | new rating: 1573 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Perron, Francois (1464) | Lost 0-2 | -191481 |
| 2standard | 221 | Aanstoos, Lucas (1482) | Won 2-0 | +181499 |
| 3standard | 181 | Moore, Bo (1500) | Won 2-0 | +181517 |
| 4standard | 135 | Nixon, Andrew (1518) | Won 2-1 | +181535 |
| 5standard | 82 | Barr, Ash (1520) | Lost 1-2 | -181517 |
| 6standard | 126 | Gryder, Berkley (1488) | Lost 1-2 | -181499 |
| top | average opponent: 1495record: 3-3 | new rating: 1499 | ||