Altendorf, Matthew
Current rating: 1478
Record: 9-11-1
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Johnson, Zachary (1431) | Lost 1-2 | -191478 |
| 2standard | 366 | Mason, Joshua (1464) | Lost 1-2 | -191459 |
| 3standard | 514 | Hyser, Blake (1463) | Won 2-1 | +181477 |
| 4standard | 428 | Banda, Michael (1481) | Won 2-1 | +191496 |
| 5standard | 403 | Greer, Jeff (1508) | Lost 0-2 | -181478 |
| top | average opponent: 1470record: 2-3 | new rating: 1478 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Mullaney, Jack (1518) | Lost 0-2 | -181481 |
| 2sealed | 531 | Jochem, Eric (1483) | Won 2-1 | +181499 |
| 3sealed | 529 | Garbers, Nick (1500) | Lost 1-2 | -181481 |
| 4sealed | 1050 | McCarroll, John (1486) | Won 2-0 | +181499 |
| 5sealed | 562 | Baumgartner, Justin (1375) | Won 2-0 | +161515 |
| 6sealed | 353 | Short, Nick (1518) | Lost 0-2 | -181497 |
| top | average opponent: 1480record: 3-3 | new rating: 1497 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Miller, Thomas [USA] (1500) | Lost 0-2 | -181460 |
| 2sealed | 204 | Cooper, Russell 2 (1482) | Won 2-0 | +191479 |
| 3sealed | 158 | Trojan, Jay (1517) | Won 2-1 | +181497 |
| 4sealed | 138 | Harrison, Larry (1505) | Won 2-0 | +181515 |
| 5sealed | 65 | Mounce, Kyle (1518) | Draw 1-1 | 01515 |
| 6sealed | 92 | Slone, Steven (1579) | Lost 0-2 | -161499 |
| top | average opponent: 1517record: 3-2-1 | new rating: 1499 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 279 | Helbig, Drew (1536) | Won 2-0 | +191519 |
| 4sealed | 37 | Smith Jr., Mark (1545) | Lost 0-2 | -181501 |
| 5sealed | 242 | Elenbogen, Andrew (2055) | Lost 0-2 | -91492 |
| 6sealed | 455 | Koepke, Devin (1681) | Lost 0-2 | -141478 |
| top | average opponent: 1704record: 1-3 | new rating: 1478 | ||