Morbey, David
Current rating: 1538
Record: 12-10-5
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 60 | Rodenas Lopez, Mario (1427) | Lost 0-2 | -211570 |
| 4standard | 252 | Warden, Graeme (1744) | Lost 1-2 | -151555 |
| 5standard | 435 | Jansen, Sepp (1635) | Lost 0-2 | -171538 |
| top | average opponent: 1602record: 0-3 | new rating: 1538 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 283 | Johnson, Chris [ENG] (1555) | Won 2-0 | +181574 |
| 2modern | 171 | Zeni, Claudio (1619) | Lost 0-0 | -171557 |
| 3modern | 553 | Arnold, Robert (1485) | Won 2-1 | +171574 |
| 4modern | 228 | Hatton, Zachary (1517) | Won 2-0 | +171591 |
| 5modern | 105 | Urena, Abraham (1689) | Lost 1-2 | -171574 |
| 6modern | 505 | Abreu, Josue (1644) | Draw 1-1 | +21576 |
| 7modern | 387 | Makogon, Alexander (1504) | Won 2-0 | +161592 |
| 8modern | 269 | Scrocca, Riccardo (1473) | Won 2-0 | +161608 |
| 9modern | 180 | Holm, Andreas (1634) | Won 2-0 | +191627 |
| 10modern | 104 | Courbis, Raphael (1649) | Draw 1-1 | 01627 |
| 11modern | 177 | Ammirata, Salvatore (1481) | Won 2-1 | +151642 |
| 12modern | 118 | Kamps, Lukas (1594) | Lost 0-2 | -191623 |
| 13modern | 163 | Freitag, Joachim (1703) | Draw 1-1 | +21625 |
| 14modern | 130 | Ball, Nick (1682) | Lost 1-2 | -171608 |
| 15modern | 173 | Vidal, Victor (1653) | Lost 1-2 | -171591 |
| top | average opponent: 1592record: 7-5-3 | new rating: 1591 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 466 | Johns, Darryl (1549) | Lost 0-2 | -171483 |
| 2standard | 580 | Holloway, David (1395) | Draw 1-1 | -21481 |
| 3standard | 715 | Webster, James (1468) | Won 2-1 | +181499 |
| 4standard | 576 | Tayler, Kyle (1500) | Won 2-0 | +181517 |
| 5standard | 386 | Cuff, Dwane (1538) | Won 2-1 | +181535 |
| 6standard | 243 | Marti, Jordi (1732) | Draw 1-1 | +41539 |
| 7standard | 368 | Sanz, Alex (1553) | Lost 0-1 | -181521 |
| 8standard | 443 | Richardson, Andrew (1447) | Won 2-0 | +171538 |
| 9standard | 341 | Gardner, Edan (1549) | Won 2-0 | +181556 |
| top | average opponent: 1525record: 5-2-2 | new rating: 1556 | ||