Yohman, Michael
Current rating: 1498
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Bailey, Todd (1500) | Won 2-0 | +191470 |
| 2sealed | 138 | Beeton, James (1534) | Won 2-1 | +191489 |
| 3sealed | 98 | Davis, James (1720) | Lost 1-2 | -141475 |
| 4sealed | 157 | Coffelt, Stephen (1518) | Won 2-0 | +191494 |
| 5sealed | 101 | Stroh, Brian (1601) | Lost 0-2 | -161478 |
| 6sealed | 170 | Bloom, Brian (1518) | Won 2-0 | +181496 |
| 7sealed | 95 | Tormos, Ervin (1544) | Won 2-1 | +191515 |
| 8sealed | 79 | LaPointe, Phillip (1546) | Lost 0-2 | -171498 |
| top | average opponent: 1560record: 5-3 | new rating: 1498 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 84 | Tatar, Matthew (1500) | Lost 0-2 | -181450 |
| 3sealed | 118 | Lavaco, Jerry (1447) | Won 2-0 | +181468 |
| 4sealed | 141 | Eperjesi, Thomas (1504) | Lost 0-2 | -171451 |
| top | average opponent: 1484record: 1-2 | new rating: 1451 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 85 | Heiss, Nathan (1645) | Lost 1-2 | -151485 |
| 3block | 210 | Dipold, Rick (1500) | Lost 1-2 | -181467 |
| 4block | 244 | Kemp, David (1481) | Won 2-0 | +181485 |
| 5block | 192 | Adamczyk, Kenneth (1505) | Lost 1-2 | -171468 |
| top | average opponent: 1533record: 1-3 | new rating: 1468 | ||