Grawbarger, Mike
Current rating: 1433
Record: 6-10
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 261 | Palmer, Keith (1485) | Lost 1-2 | -171429 |
| 2standard | 285 | Martinez, Andre H (1481) | Lost 0-2 | -171412 |
| 3standard | 414 | Hansen, Joshua (1464) | Lost 1-2 | -171395 |
| 4standard | 428 | Breier, Benjamin (1445) | Won 2-1 | +181413 |
| 5standard | 361 | Dipollina, Jordan E (1467) | Won 2-0 | +191432 |
| 6standard | 286 | Kates, Sean (1482) | Won 2-0 | +191451 |
| 7standard | 242 | Agnone, Anthony (1429) | Lost 0-2 | -181433 |
| average opponent: 1465record: 3-4 | new rating: 1433 | |||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 221 | Loomis, Allen (1423) | Lost 0-2 | -191481 |
| 2block | 233 | Mason, Chris (1483) | Lost 1-2 | -181463 |
| 3block | 307 | Poulin, Steeve (1464) | Lost 0-2 | -181445 |
| 4block | 336 | Longden, Conor (1446) | Lost 0-2 | -181427 |
| 5block | 302 | Simpson, Herve (1428) | Won 2-1 | +181445 |
| 6block | 242 | Ladouceur, Antoine (1447) | Lost 0-2 | -181427 |
| 7block | 199 | Brousseau, Michael (1428) | Won 2-0 | +181445 |
| 8block | 148 | Gravel, Kevin (1446) | Won 0-0 | +181463 |
| 9block | 111 | Caron, Olivier (1523) | Lost 0-0 | -171446 |
| average opponent: 1454record: 3-6 | new rating: 1446 | |||