Holwell, John Paul
Current rating: 1481
Record: 5-7-1
| Grand Prix Oakland 2010 (extended) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Eyre, Charles R (1500) | Won 2-1 | +191446 |
| 2extended | 70 | Daniel, Bruce (1518) | Won 2-0 | +201466 |
| 3extended | 6 | Florent, Lucas (1663) | Draw 1-1 | +31469 |
| 4extended | 113 | Rutkowski, Nick P (1535) | Won 2-1 | +191488 |
| 5extended | 52 | Shearer, Alexander (1497) | Won 2-0 | +191507 |
| 6extended | 31 | McLaren, Dean (1563) | Lost 0-2 | -171490 |
| 7extended | 74 | Kim, Cynic (1849) | Lost 0-2 | -121478 |
| 8extended | 121 | Huth, Jeremy l (1563) | Won 2-1 | +191497 |
| 9extended | 84 | Phan, Vu (1558) | Lost 1-2 | -161481 |
| average opponent: 1583record: 5-3-1 | new rating: 1481 | |||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 22 | Nass, Matthew (1500) | Lost 0-2 | -181482 |
| 2block | 239 | Wald, Gideon (1482) | Lost 0-2 | -181464 |
| 3block | 253 | Dias, Kalel (1410) | Lost 0-2 | -191445 |
| 4block | 317 | Ferreri, Joe (1446) | Lost 0-2 | -181427 |
| average opponent: 1459record: 0-4 | new rating: 1427 | |||