Tatum, Matthew
Current rating: 1510
Record: 13-13-1
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 796 | Cheung, Cliff (1478) | Lost 0-2 | -181493 |
| 2modern | 776 | Sink, Taylor (1429) | Won 2-0 | +171510 |
| top | average opponent: 1453record: 1-1 | new rating: 1510 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 205 | Pogue, Kemper (1684) | Lost 0-2 | -141457 |
| 2legacy | 539 | Partington, Josh (1558) | Won 2-0 | +201477 |
| 3legacy | 540 | Hadam, Eric (1519) | Lost 0-2 | -171460 |
| 4legacy | 766 | Addesa, Jonathan (1502) | Won 2-1 | +191479 |
| 5legacy | 468 | Talavera, Justin (1484) | Won 2-1 | +181497 |
| 6legacy | 285 | Sweeney, Austin (1455) | Won 2-0 | +171514 |
| 7legacy | 389 | Sacco, Daniel (1443) | Won 2-1 | +171531 |
| 8legacy | 150 | Lombardi, Rocco (1462) | Lost 1-2 | -201511 |
| top | average opponent: 1513record: 5-3 | new rating: 1511 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 18 | Levin, Julian (1585) | Won 2-1 | +201485 |
| 3extended | 16 | Schneier, Joshua (1520) | Lost 0-2 | -181467 |
| 4extended | 161 | Davis, James (1621) | Lost 0-2 | -151452 |
| 5extended | 235 | Devalve, Dan (1499) | Won 2-1 | +191471 |
| 6extended | 168 | McKittrick, Nick (1518) | Won 2-0 | +191490 |
| 7extended | 131 | Pogrebinsky, Alexander (1461) | Lost 0-2 | -191471 |
| top | average opponent: 1534record: 3-3 | new rating: 1471 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 97 | Richardson, Tommy c (1500) | Lost 1-2 | -181446 |
| 2extended | 254 | Smith, Clay E (1482) | Won 2-1 | +191465 |
| 3extended | 216 | Magdaleno, Joseph (1500) | Won 0-0 | +191484 |
| 4extended | 136 | Roberts, Rob (1471) | Lost 1-2 | -191465 |
| 5extended | 205 | Wilder, Greg (1476) | Won 2-0 | +191484 |
| 6extended | 153 | Meyer, Chad (1437) | Lost 0-2 | -191465 |
| top | average opponent: 1478record: 3-3 | new rating: 1465 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 42 | Vuk, Velimir (1500) | Lost 1-2 | -181482 |
| 2extended | 106 | Schulz, Kirk (1482) | Won 2-0 | +181500 |
| 3extended | 73 | Zeimentz, Mike (1511) | Draw 1-1 | 01500 |
| 4extended | 127 | Giles, Blake (1500) | Lost 1-2 | -181482 |
| 5extended | 141 | Preskitt, John (1448) | Lost 0-2 | -181464 |
| top | average opponent: 1488record: 1-3-1 | new rating: 1464 | ||