Meddish, David
Current rating: 1494
Record: 14-16-1
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 525 | Bailey, Dustin (1591) | Lost 0-2 | -161467 |
| 2standard | 519 | Sharratt, Evan (1500) | Won 2-1 | +191486 |
| 3standard | 447 | Thiessen, Jacob (1892) | Won 2-0 | +251511 |
| 4standard | 451 | Koenig, Jake (1597) | Lost 0-2 | -171494 |
| 5standard | 420 | Whitney, Cooper (1540) | Won 2-1 | +191513 |
| 6standard | 332 | Carstensen, Chris (1471) | Lost 0-2 | -191494 |
| top | average opponent: 1598record: 3-3 | new rating: 1494 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 234 | Rooney, Nick (1407) | Lost 1-2 | -181395 |
| 2legacy | 646 | Somerville, Michael (1457) | Lost 1-2 | -171378 |
| 3legacy | 954 | Collado, Christopher (1493) | Won 2-0 | +201398 |
| 4legacy | 747 | Banghart, Colin (1484) | Won 2-0 | +201418 |
| 5legacy | 709 | Duan, Ceyao (1504) | Won 2-1 | +191437 |
| 6legacy | 457 | Mechm, Aaron (1520) | Won 2-1 | +201457 |
| 7legacy | 288 | Mann, Stephen (1789) | Won 2-0 | +241481 |
| 8legacy | 268 | Pagatpatan, Paul (1560) | Lost 0-2 | -171464 |
| 9legacy | 267 | Mora, Jonathan (1521) | Won 2-1 | +191483 |
| top | average opponent: 1526record: 6-3 | new rating: 1483 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 283 | Leidle, Rob F (1500) | Lost 0-2 | -171428 |
| 2sealed | 369 | Magallanes, Luis (1482) | Lost 1-2 | -171411 |
| 3sealed | 513 | Burbine, Andrew (1465) | Lost 1-2 | -171394 |
| 4sealed | 564 | Grimes, Ross (1445) | Won 2-1 | +191413 |
| top | average opponent: 1473record: 1-3 | new rating: 1413 | ||
| Grand Prix Seattle 2005 (extended) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 6 | Tyson, Eric (1500) | Lost 1-2 | -181460 |
| 2extended | 113 | Kalita, Alex (1482) | Lost 0-2 | -171443 |
| 3extended | 151 | Johnson, Eric (1534) | Draw 1-1 | +11444 |
| 4extended | 177 | Iukes, Cory (1464) | Won 2-1 | +191463 |
| 5extended | 147 | Kilian, Derek (1485) | Lost 0-2 | -181445 |
| top | average opponent: 1493record: 1-3-1 | new rating: 1445 | ||
| Grand Prix Denver 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 55 | Coleman, David (1500) | Won 2-0 | +181518 |
| 2block | 43 | Schuldt, Dieter (1518) | Lost 0-1 | -181500 |
| 3block | 77 | Cox, Andrew (1500) | Won 2-1 | +181518 |
| 4block | 83 | Miller, Patrick (1483) | Won 2-0 | +171535 |
| 5block | 67 | Curtis, Lee (1394) | Lost 0-2 | -201515 |
| 6block | 104 | Bonham, Nicholas (1465) | Lost 0-2 | -191496 |
| 7block | 98 | Wilber, Raymond (1500) | Lost 0-2 | -181478 |
| top | average opponent: 1480record: 3-4 | new rating: 1478 | ||