Foster, Ethan
Current rating: 1523
Record: 16-17-1
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 117 | Boer, Eli J (1569) | Lost 0-2 | -181507 |
| 3sealed | 244 | Young, Derek (1363) | Won 2-0 | +161523 |
| 4sealed | 299 | Povish, Dan (1518) | Lost 0-2 | -181505 |
| 5sealed | 308 | Peters, Jason (1500) | Won 2-0 | +181523 |
| 6sealed | 314 | Awde, Matthew (1519) | Won 2-1 | +181541 |
| 7sealed | 205 | Block, Russell D (1551) | Lost 0-2 | -181523 |
| top | average opponent: 1503record: 3-3 | new rating: 1523 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 3 | Underwood, Andrew (1576) | Won 2-0 | +191564 |
| 5sealed | 16 | Sonne, Jonathan (1933) | Lost 0-2 | -121552 |
| 6sealed | 61 | Chapin, Patrick (1894) | Lost 0-2 | -121540 |
| 7sealed | 130 | Gillette, Clayton (1655) | Lost 0-2 | -151525 |
| top | average opponent: 1765record: 1-3 | new rating: 1525 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Coakley, Justin (1500) | Won 2-0 | +191499 |
| 2block | 2 | Bretz, Aaron (1518) | Won 2-0 | +181517 |
| 3block | 91 | Thompson, Mike (1842) | Lost 1-2 | -121505 |
| 4block | 120 | Zandi, Jeff (1601) | Lost 1-2 | -171488 |
| 5block | 181 | Nemeth, Mark (1501) | Won 2-0 | +191507 |
| 6block | 175 | Phelps, Michael (1543) | Won 2-0 | +181525 |
| 7block | 111 | Davis, James (1612) | Won 2-1 | +201545 |
| 8block | 36 | Motchkavitz, Matt (1620) | Lost 0-2 | -171528 |
| 9block | 85 | Kreba, Dennis A (1489) | Won 2-1 | +171545 |
| top | average opponent: 1581record: 6-3 | new rating: 1545 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 224 | Olson, Kyle (1500) | Won 2-1 | +181497 |
| 3sealed | 159 | Andersen, Christoffer (1537) | Won 2-1 | +191516 |
| 4sealed | 118 | Eargle, Christopher B (1558) | Lost 1-2 | -171499 |
| 5sealed | 98 | Castro, Roberto (1547) | Lost 0-2 | -181481 |
| 6sealed | 174 | Shakarisaz, David (1423) | Won 2-0 | +171498 |
| 7sealed | 196 | Jeltema, Scott (1489) | Lost 0-2 | -181480 |
| top | average opponent: 1509record: 3-3 | new rating: 1480 | ||
| Grand Prix Toronto 2006 (DIS limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Crunkleton, John (1534) | Lost 1-2 | -171458 |
| 2sealed | 140 | Bott, Chris (1482) | Draw 0-0 | +11459 |
| 3sealed | 176 | Edmister, Rick (1402) | Won 2-0 | +171476 |
| 4sealed | 148 | Dean, J. Evan (1622) | Won 2-0 | +201496 |
| 5sealed | 112 | Kanellis, David (1517) | Lost 1-2 | -171479 |
| top | average opponent: 1511record: 2-2-1 | new rating: 1479 | ||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 52 | Tice, Doug (1598) | Lost 0-2 | -161484 |
| 5sealed | 69 | Benefield, Kevin (1563) | Lost 1-2 | -171467 |
| 6sealed | 66 | Maher, Bob (1869) | Won 2-1 | +251492 |
| 7sealed | 45 | Huang, Jason (1547) | Lost 0-2 | -171475 |
| top | average opponent: 1644record: 1-3 | new rating: 1475 | ||