Tatar, Matthew
Current rating: 1601
Record: 15-10-5
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 5 | Talim, Gary (1764) | Won 2-1 | +201640 |
| 5block | 23 | Wienburg, Ben (1502) | Lost 0-2 | -201620 |
| 6block | 47 | Douglass, Morgan (1717) | Lost 0-2 | -161604 |
| 7block | 60 | Krieger, Nate (1544) | Lost 1-2 | -201584 |
| 8block | 87 | Caudell, Chad (1507) | Won 2-1 | +171601 |
| top | average opponent: 1607record: 2-3 | new rating: 1601 | ||
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 61 | David-Marshall, Brian (1660) | Won 2-0 | +181630 |
| 4sealed | 74 | Douglass, Morgan (1804) | Won 2-0 | +221652 |
| 5sealed | 12 | Woods, Norman (1601) | Lost 0-2 | -191633 |
| 6sealed | 39 | Stark, Ben S (1807) | Lost 1-2 | -151618 |
| 7sealed | 81 | Landers, Mike (1541) | Won 2-1 | +161634 |
| 8sealed | 52 | Freneau, Phil (1820) | Lost 0-2 | -141620 |
| top | average opponent: 1706record: 3-3 | new rating: 1620 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 45 | Price, Brandon 2 (1500) | Won 2-0 | +161582 |
| 2extended | 77 | Kinnaney, Joseph (1518) | Won 2-0 | +171599 |
| 3extended | 34 | Wilson, Mike (1560) | Won 2-1 | +181617 |
| 4extended | 34 | Camfferman, Joshua (1519) | Draw 1-1 | -21615 |
| 5extended | 27 | Moore, Robert (1432) | Won 2-0 | +141629 |
| 6extended | 15 | Rubin, Benjamin (1815) | Draw 1-1 | +41633 |
| 7extended | 34 | Edwards, Craig (1575) | Draw 1-1 | -11632 |
| 8extended | 43 | Goodman, Ben (1507) | Lost 1-2 | -201612 |
| top | average opponent: 1553record: 4-1-3 | new rating: 1612 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 84 | Yohman, Michael (1468) | Won 2-0 | +171517 |
| 3sealed | 71 | Smith, Joshua (1702) | Won 2-0 | +211538 |
| 4sealed | 39 | Lebedowicz, Osyp (1875) | Won 2-0 | +241562 |
| 5sealed | 2 | Eisel, Nick (1565) | Lost 0-2 | -181544 |
| 6sealed | 27 | Price, David (1665) | Draw 1-1 | +31547 |
| 7sealed | 59 | Fischer, Adam (1609) | Draw 1-1 | +11548 |
| 8sealed | 76 | Bischoft, Al (1540) | Won 2-0 | +181566 |
| top | average opponent: 1632record: 4-1-2 | new rating: 1566 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Wojtowicz, Peter (1500) | Won 2-0 | +181518 |
| 2sealed | 49 | Gage, Nick (1507) | Lost 0-2 | -181500 |
| 3sealed | 136 | Lopez, Mike (1498) | Lost 0-2 | -181482 |
| 4sealed | 146 | Loughlin, Daniel (1480) | Won 2-0 | +181500 |
| top | average opponent: 1496record: 2-2 | new rating: 1500 | ||