Galles, Matthew
Current rating: 1550
Record: 12-9-1
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 7 | Davis, Michael (1531) | Won 2-1 | +181534 |
| 2modern | 297 | Smith, Zack (1481) | Won 2-1 | +171551 |
| 3modern | 153 | Ko, Jason (1586) | Lost 0-0 | -181533 |
| 4modern | 154 | Gonzales, Adam (1476) | Won 2-0 | +171550 |
| 5modern | 245 | Smith, Matthew W (1503) | Won 2-0 | +181568 |
| 6modern | 125 | Ho, Eugene (1755) | Won 2-0 | +211589 |
| 7modern | 43 | Smith, Trevor (1647) | Won 2-0 | +191608 |
| 8modern | 18 | Thompson, John (1575) | Won 2-0 | +171625 |
| 9modern | 11 | Schlegel, Thomas (1570) | Lost 1-2 | -191606 |
| 10modern | 44 | Sullano, Andrew (1577) | Lost 1-2 | -181588 |
| 11modern | 61 | Dowdy, Aubrey (1555) | Lost 1-2 | -191569 |
| 12modern | 73 | Letts, Jackson (1559) | Lost 1-2 | -181551 |
| 13modern | 108 | Caitung, Rocky (1496) | Won 2-1 | +171568 |
| 14modern | 65 | Peters, Kyle (1549) | Lost 1-2 | -181550 |
| 15modern | 66 | Flint, David (1557) | Draw 1-1 | 01550 |
| average opponent: 1561record: 8-6-1 | new rating: 1550 | |||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Madrigal, Max (1517) | Won 2-1 | +181518 |
| 2sealed | 318 | Baker, Chance (1518) | Lost 0-2 | -181500 |
| 3sealed | 535 | Gregory, Daniel (1500) | Won 2-1 | +181518 |
| 4sealed | 361 | Darrouzet, Stephen (1520) | Won 2-0 | +181536 |
| 5sealed | 264 | Elizondo, Eric (1542) | Lost 1-2 | -181518 |
| 6sealed | 408 | Fisher, Thos (1500) | Won 2-1 | +181536 |
| 7sealed | 290 | Hoegner, Danielle (1394) | Lost 1-2 | -201516 |
| average opponent: 1499record: 4-3 | new rating: 1516 | |||