Raphael, Ronald
Current rating: 1389
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Cheng, Mark T (1500) | Won 2-0 | +201434 |
| 2block | 15 | Mutolo, Zachary (1518) | Lost 0-2 | -171417 |
| 3block | 186 | Popps, Jason (1500) | Won 2-0 | +201437 |
| 4block | 135 | Martins, Tony (1573) | Lost 1-2 | -161421 |
| 5block | 208 | Holbrook, Jeremy (1559) | Lost 0-2 | -151406 |
| 6block | 215 | Hunter, Jason (1482) | Lost 0-2 | -171389 |
| top | average opponent: 1522record: 2-4 | new rating: 1389 | ||
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 161 | Patterson, Jason (1612) | Lost 0-2 | -151449 |
| 2sealed | 184 | mcliesh, dale p (1482) | Lost 1-2 | -171432 |
| 3sealed | 202 | Currie, Drew P (1463) | Lost 1-2 | -181414 |
| top | average opponent: 1519record: 0-3 | new rating: 1414 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 178 | Grygorczyk, Marius (1500) | Lost 0-2 | -181482 |
| 2extended | 247 | Janowski, Thomas (1537) | Lost 0-1 | -171465 |
| 3extended | 299 | Reiss, Spencer (1432) | Won 2-1 | +171482 |
| 4extended | 294 | Curran, Sean (1482) | Lost 1-2 | -181464 |
| 5extended | 252 | Hrenchuk, Nick (1464) | Won 2-1 | +181482 |
| 6extended | 198 | Draheim, Meghan (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1483record: 2-4 | new rating: 1464 | ||