Doering, Michael D
Current rating: 1444
Record: 5-8
| Grand Prix Columbus 2010 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 193 | Talley, Ty (1500) | Lost 0-2 | -181463 |
| 2legacy | 250 | Cutler, Tim (1348) | Lost 1-2 | -201443 |
| 3legacy | 275 | Kring, David (1464) | Lost 0-2 | -181425 |
| 4legacy | 291 | Easland, Dan (1446) | Won 2-0 | +191444 |
| average opponent: 1439record: 1-3 | new rating: 1444 | |||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 187 | Conway, Steve (1500) | Lost 0-2 | -181482 |
| 2legacy | 345 | Mills, Colin (1482) | Won 2-0 | +181500 |
| 3legacy | 168 | Harris, Dustin R (1500) | Lost 1-2 | -181482 |
| 4legacy | 350 | Buckenberger, Jeremiah (1482) | Won 2-1 | +181500 |
| 5legacy | 300 | Baker, Luke (1500) | Lost 1-2 | -181482 |
| 6legacy | 305 | Strickland, Jeremy (1482) | Lost 0-2 | -181464 |
| 7legacy | 281 | Adams, Brandon (1432) | Lost 0-2 | -191445 |
| 8legacy | 230 | Brenizer, Craig D (1413) | Won 2-1 | +181463 |
| 9legacy | 189 | Jezusek, David (1464) | Won 2-0 | +181481 |
| average opponent: 1473record: 4-5 | new rating: 1481 | |||