Dietzel, Bobby
Current rating: 1574
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Zaragoza, Nicco (1500) | Won 2-1 | +171568 |
| 2standard | 201 | Bartolomei, Iain (1800) | Won 2-0 | +221590 |
| 3standard | 52 | Darrow, Elliot (1490) | Won 2-0 | +161606 |
| 4standard | 134 | Yoo, Bradley (1688) | Lost 1-2 | -161590 |
| 5standard | 228 | Dvorshak, Darik (1644) | Lost 0-2 | -171573 |
| 6standard | 352 | Cuellar, Byron (1523) | Won 2-0 | +171590 |
| 7standard | 294 | Lynch, Michael (1567) | Won 2-1 | +171607 |
| 8standard | 156 | Li, Han (1561) | Lost 0-2 | -181589 |
| 9standard | 224 | Gardner, Daniel K [USA] (1762) | Lost 1-2 | -151574 |
| top | average opponent: 1615record: 5-4 | new rating: 1574 | ||
| Grand Prix Oakland 2004 (DST limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Kenney, Chris (1500) | Won 2-0 | +181520 |
| 2sealed | 86 | Cariola, Mike (1518) | Won 2-1 | +181538 |
| 3sealed | 26 | Draxler, Rory (1711) | Won 2-1 | +211559 |
| 4sealed | 14 | Landwehr, Aaron (1555) | Won 2-1 | +181577 |
| 5sealed | 3 | Linde, Matt (1847) | Won 2-0 | +231600 |
| 6sealed | 12 | Alepin, Alexandre (1644) | Lost 0-2 | -171583 |
| 7sealed | 20 | Curran, Brandon (1487) | Won 2-1 | +161599 |
| 8sealed | 10 | Cohen, Steven (1540) | ID | 01599 |
| 9draft | 10 | Dunham, Kory (1737) | Won 2-1 | +211620 |
| 10draft | 8 | Spaulding, Ian (1618) | Lost 0-2 | -181602 |
| 11draft | 8 | Sung, Michael (1623) | Lost 0-2 | -181584 |
| 12draft | 25 | Dunham, Kory (1718) | Lost 0-2 | -161568 |
| 13draft | 16 | Stocks, Jonathan (1585) | Lost 1-2 | -171551 |
| top | average opponent: 1622record: 7-5-1 | new rating: 1551 | ||
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Nguyen, Matthew (1500) | Won 2-0 | +181518 |
| 2sealed | 55 | Johnson, Eric (1413) | Won 2-0 | +161534 |
| 3sealed | 57 | LePine, Mark (1718) | Lost 0-2 | -151519 |
| 4sealed | 128 | Jaffee, Seth (1575) | Lost 1-2 | -171502 |
| top | average opponent: 1552record: 2-2 | new rating: 1502 | ||