Vanwert, Chris
Current rating: 1564
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 175 | Carpenter, Brad (1632) | Lost 1-2 | -171546 |
| 3sealed | 181 | Hagen, John (1499) | Won 2-1 | +171563 |
| 4sealed | 184 | Franklin, Eric (1619) | Won 2-0 | +191582 |
| 5sealed | 87 | Liang, Zhi (1475) | Won 2-0 | +161598 |
| 6sealed | 34 | Loeb, Davy (1705) | Lost 1-2 | -161582 |
| 7sealed | 85 | Ley, Isaiah (1525) | Won 2-0 | +171599 |
| 8sealed | 114 | Perkins, Andrew (1561) | Lost 1-2 | -181581 |
| 9sealed | 96 | Hofmann, Mike (1673) | Lost 0-2 | -171564 |
| top | average opponent: 1586record: 4-4 | new rating: 1564 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 26 | Shell, Alexander (1500) | Lost 0-2 | -191534 |
| 3sealed | 172 | Wilson, Ryan (1484) | Won 2-0 | +171551 |
| 4sealed | 221 | Yandell, Chris (1464) | Won 2-1 | +171568 |
| 5sealed | 136 | Wu, Feng (1534) | Draw 1-1 | -11567 |
| 6sealed | 102 | Schwartz, Greg S (1533) | Lost 1-2 | -191548 |
| 7sealed | 152 | Forguites, George (1504) | Won 2-0 | +171565 |
| 8sealed | 107 | Correia, Derrick (1470) | Won 2-1 | +171582 |
| 9sealed | 71 | Ferris, Bob (1539) | Lost 0-2 | -191563 |
| top | average opponent: 1503record: 4-3-1 | new rating: 1563 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 189 | John, Riley (1500) | Won 2-0 | +181518 |
| 2standard | 234 | Saugier, Kyle (1421) | Won 2-0 | +161534 |
| 3standard | 108 | Walker, Kalib (1505) | Lost 1-2 | -181516 |
| 4standard | 284 | Mcdonough, Brandden (1453) | Won 2-1 | +171533 |
| 5standard | 168 | Dupart, Travis (1537) | Won 2-0 | +181551 |
| 6standard | 139 | Razey, Robert (1614) | Lost 0-2 | -171534 |
| 7standard | 124 | Liu, Steven (1504) | Lost 0-2 | -191515 |
| 8standard | 209 | Eng, Warren (1586) | Won 2-1 | +201535 |
| 9standard | 122 | Snider, Warren (1558) | Won 0-0 | +181553 |
| top | average opponent: 1520record: 6-3 | new rating: 1553 | ||