Leighton, David
Current rating: 1514
Record: 5-5-1
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 443 | Barone, Nicholas (1471) | Lost 1-2 | -181446 |
| 2sealed | 455 | Brace, James (1482) | Draw 1-1 | 01446 |
| 3sealed | 604 | Harris, Andrew (1416) | Won 2-1 | +181464 |
| 4sealed | 466 | Ruth, Zachariah (1499) | Won 2-0 | +191483 |
| 5sealed | 335 | Rosenthal, Matthew (1516) | Won 2-1 | +181501 |
| 6sealed | 193 | Lucy, J. Sawyer (1900) | Won 2-0 | +251526 |
| 7sealed | 117 | Calcano, Christian (1887) | Lost 0-2 | -121514 |
| average opponent: 1596record: 4-2-1 | new rating: 1514 | |||
| Grand Prix Santiago 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 1 | Lagos, Jaime (1500) | Lost 0-2 | -181482 |
| 2block | 110 | Domke, Nicolas (1482) | Won 2-0 | +181500 |
| 3block | 81 | Peralta, Jorge (1482) | Lost 1-2 | -181482 |
| 4block | 107 | Figueroa, Rodrigo (1481) | Lost 0-2 | -181464 |
| average opponent: 1486record: 1-3 | new rating: 1464 | |||