Schellhorn, Charles
Current rating: 1584
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 207 | Voss, Anthony (1500) | Won 2-1 | +181538 |
| 2standard | 216 | Wooten, Nathaniel (1484) | Lost 1-2 | -191519 |
| 3standard | 323 | DePoppe, Eric (1494) | Won 2-0 | +181537 |
| 4standard | 316 | Magdziuk, Willie (1517) | Won 2-0 | +171554 |
| 5standard | 191 | Finley, Christopher (1598) | Won 2-0 | +191573 |
| 6standard | 109 | Sameisky, Herman (1560) | Won 2-1 | +181591 |
| 7standard | 54 | Pierce, Stephen (1511) | Won 2-1 | +161607 |
| 8standard | 14 | Jewell, Zach (1599) | Won 2-0 | +181625 |
| 9standard | 6 | Burkhart, Corey (1986) | Lost 1-2 | -121613 |
| 10standard | 30 | Baker, John 6193 (1714) | Lost 0-2 | -161597 |
| 11standard | 52 | Mitas, Alex (1856) | Lost 1-2 | -131584 |
| top | average opponent: 1620record: 7-4 | new rating: 1584 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 258 | Dyer, William L (1500) | Won 2-1 | +181521 |
| 2standard | 59 | Wagner, Spencer (1518) | Lost 1-2 | -181503 |
| 3standard | 357 | Clark, Gabriel (1500) | Won 2-1 | +171520 |
| 4standard | 207 | Ellison, William (1519) | Won 2-1 | +181538 |
| 5standard | 174 | Carabello, Patrick (1536) | Won 2-1 | +181556 |
| 6standard | 66 | Clark, Brooks (1611) | Lost 0-2 | -171539 |
| 7standard | 213 | Middleton, Russell (1483) | Lost 1-2 | -191520 |
| top | average opponent: 1524record: 4-3 | new rating: 1520 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 390 | Miller, Michael (1404) | Lost 0-2 | -201480 |
| 2sealed | 518 | Grotheer, Chris (1450) | Won 2-0 | +181498 |
| 3sealed | 419 | Farnung, Ian (1833) | Lost 0-2 | -121486 |
| 4sealed | 549 | Allen, Jeff (1453) | Lost 1-2 | -191467 |
| 5sealed | 496 | Gros, Josh (1447) | Won 2-1 | +181485 |
| 6sealed | 423 | Allen, Christopher (1482) | Won 2-0 | +181503 |
| top | average opponent: 1512record: 3-3 | new rating: 1503 | ||