Bartmus, Matthew R
Current rating: 1446
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Escobar, Jelani (1500) | Lost 0-2 | -191500 |
| 2standard | 423 | Holmes, Rayan (1482) | Lost 0-2 | -181482 |
| 3standard | 658 | Heavyside, Eryk (1483) | Lost 0-2 | -181464 |
| 4standard | 677 | Ballez, Danny (1445) | Lost 0-2 | -181446 |
| top | average opponent: 1477record: 0-4 | new rating: 1446 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 217 | Buczinski, Chris (1500) | Lost 1-2 | -181464 |
| 2standard | 303 | Clanston, Chad (1482) | Won 2-1 | +191483 |
| 3standard | 282 | Peterson, Karl G (1482) | Lost 0-2 | -181465 |
| 4standard | 425 | Mathews, Tim (1482) | Won 2-0 | +181483 |
| 5standard | 313 | Mills, Steven (1500) | Won 2-0 | +181501 |
| 6standard | 217 | Bergman, Craige (1501) | Won 2-1 | +181519 |
| 7standard | 209 | Contreras, Phillip S (1527) | Won 2-0 | +181537 |
| 8standard | 72 | Greaves, Jim (1505) | Lost 1-2 | -181519 |
| top | average opponent: 1497record: 5-3 | new rating: 1519 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 85 | Kolowith, Jeffrey (1500) | Lost 1-2 | -181482 |
| 2extended | 237 | Tyer, Brandon (1482) | Lost 1-2 | -181464 |
| 3extended | 321 | Golding, Stephen G (1482) | Won 2-0 | +181482 |
| 4extended | 301 | Reyes, Carl (1482) | Won 2-1 | +181500 |
| 5extended | 261 | Lim, Teng Howe (1483) | Lost 1-2 | -181482 |
| top | average opponent: 1486record: 2-3 | new rating: 1482 | ||