Eichenberg, William
Current rating: 1567
| Grand Prix Detroit 2016 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 514 | Sparkman, Dillon (1481) | Won 2-0 | +171550 |
| 2modern | 368 | Ski, Kendra (1517) | Won 2-0 | +171567 |
| 3modern | 351 | Sarver, Alex (1516) | Won 2-1 | +171584 |
| 4modern | 17 | Kosierb, Stan (1551) | Lost 1-2 | -181566 |
| 5modern | 434 | Hart, Brian (1519) | Won 2-1 | +171583 |
| 6modern | 99 | Potter, Ryan (1527) | Won 2-1 | +171600 |
| 7modern | 62 | Lacey, Andreas (1652) | Lost 1-2 | -171583 |
| 8modern | 250 | Walker, Joshua (1624) | Won 2-1 | +191602 |
| 9modern | 110 | Howitt, Josh (1730) | Lost 0-2 | -161586 |
| 10modern | 270 | Pruett Jr, Patrick (1560) | Lost 0-2 | -191567 |
| top | average opponent: 1568record: 6-4 | new rating: 1567 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 166 | Topham, Ian (1500) | Lost 1-2 | -191537 |
| 2modern | 410 | Ullmann, Collin (1484) | Lost 0-0 | -191518 |
| 3modern | 654 | Shanburn, Nicholas (1464) | Won 2-1 | +171535 |
| 4modern | 500 | Paynter, Devon (1484) | Won 2-1 | +171552 |
| 5modern | 358 | Harness, Nicholas (1487) | Lost 0-2 | -191533 |
| top | average opponent: 1484record: 2-3 | new rating: 1533 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 211 | Dvorshak, Darik (1482) | Won 2-1 | +181518 |
| 2modern | 42 | Campbell, Eric (1517) | Won 2-1 | +181536 |
| 3modern | 132 | Rubin, Steve (1804) | Lost 0-2 | -141522 |
| 4modern | 303 | Stears, Jason (1553) | Won 2-1 | +191541 |
| 5modern | 242 | Harris, Rocky (1383) | Won 2-1 | +151556 |
| 6modern | 130 | Cullum, Travis (1616) | Lost 0-2 | -171539 |
| 7modern | 241 | Henrigillis, Nathan (1540) | Won 2-1 | +181557 |
| 8modern | 79 | Albertson, Aaron (1547) | Won 2-1 | +181575 |
| 9modern | 50 | Campbell, Brad (1511) | Lost 0-2 | -191556 |
| top | average opponent: 1550record: 6-3 | new rating: 1556 | ||