Waclawski, Ronald
Current rating: 1410
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 49 | Penick, John (1613) | Lost 0-2 | -161443 |
| 5sealed | 138 | Bajorek, Mike P (1507) | Lost 0-2 | -161427 |
| 6sealed | 304 | Howard, Jonathan (1519) | Lost 1-2 | -171410 |
| top | average opponent: 1546record: 0-3 | new rating: 1410 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 51 | Benson, Bryce E (1537) | Lost 0-2 | -171432 |
| 3block | 169 | Ricciardi, John-Carlo (1500) | Won 2-0 | +201452 |
| 4block | 176 | Sparks, Cayle R (1508) | Lost 1-2 | -171435 |
| 5block | 218 | Terry, Alexander J (1518) | Won 2-0 | +191454 |
| 6block | 143 | Klein, Matthew (1505) | Won 2-1 | +191473 |
| 7block | 106 | Mahler, Hans (1668) | Lost 1-2 | -141459 |
| top | average opponent: 1539record: 3-3 | new rating: 1459 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 52 | Wood, Thomas L (1624) | Lost 0-2 | -161484 |
| 3legacy | 287 | Morford, Justin R (1500) | Lost 0-2 | -171467 |
| 4legacy | 344 | Sansone, Daniel (1482) | Lost 0-2 | -181449 |
| top | average opponent: 1535record: 0-3 | new rating: 1449 | ||