Clarke, Jerry
Current rating: 1436
Record: 3-7
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 300 | Tigchelaar, Lieuwe (1500) | Won 2-0 | +191464 |
| 2extended | 248 | Perbet, Guillaume (1610) | Won 2-0 | +201484 |
| 3extended | 58 | Hsia, Wei (1484) | Lost 1-2 | -181466 |
| 4extended | 266 | Mitsios, Johannes (1650) | Lost 1-2 | -151451 |
| 5extended | 323 | Hillerscheid, Nils (1500) | Lost 1-2 | -171434 |
| 6extended | 341 | Haback, Alfred (1482) | Lost 1-2 | -171417 |
| 7extended | 299 | Hopmans, Wiek (1452) | Won 2-1 | +191436 |
| average opponent: 1525record: 3-4 | new rating: 1436 | |||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 130 | Macaulay Jordan, Sheila (1500) | Lost 0-2 | -181482 |
| 2block | 183 | de Jong, Sven (1482) | Lost 0-2 | -181464 |
| 3block | 203 | Baker, Keef (1382) | Lost 1-2 | -191445 |
| average opponent: 1455record: 0-3 | new rating: 1445 | |||