Etling, David P
Current rating: 1500
Record: 4-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Stefanovic, Lou (1549) | Lost 0-2 | -171482 |
| 2sealed | 722 | Krebs, Luke (1482) | Won 2-0 | +181500 |
| average opponent: 1515record: 1-1 | new rating: 1500 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 494 | Herr, Briana (1500) | Won 2-0 | +181518 |
| 2sealed | 413 | Harrison, Richard L (1521) | Lost 0-2 | -181500 |
| 3sealed | 642 | Petrock, Brandon (1417) | Won 2-0 | +171517 |
| 4sealed | 608 | Wice, Alex (1513) | Lost 0-2 | -191498 |
| 5sealed | 571 | Laskin, Lewis (1539) | Won 2-0 | +191517 |
| 6sealed | 559 | Fleming, Sean (1491) | Lost 0-2 | -181499 |
| average opponent: 1497record: 3-3 | new rating: 1499 | |||