Merz, David
Current rating: 1482
Record: 6-8-1
| Grand Prix London 2016 (KLD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 548 | Taylor, Phillip4287 (1449) | Won 2-0 | +171499 |
| 2sealed | 572 | Nizon, Jerome (1532) | Lost 0-2 | -171482 |
| top | average opponent: 1490record: 1-1 | new rating: 1482 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 366 | Schuhmann, Julian (1669) | Lost 1-2 | -151478 |
| 4sealed | 441 | Lutter, Maximilian (1563) | Draw 1-1 | +21480 |
| 5sealed | 414 | Fouquiau, Fabien (1514) | Won 2-1 | +181498 |
| 6sealed | 254 | Baudois, Guillaume (1585) | Lost 0-2 | -161482 |
| top | average opponent: 1583record: 1-2-1 | new rating: 1482 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Jaeger, Julian (1500) | Won 2-0 | +181507 |
| 2sealed | 32 | Knellwolf, Martin (1547) | Lost 0-2 | -171490 |
| 3sealed | 398 | Grimaud, Loick (1409) | Won 2-1 | +161506 |
| 4sealed | 286 | Grossholz, Ivo (1757) | Lost 0-2 | -131493 |
| top | average opponent: 1553record: 2-2 | new rating: 1493 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 301 | Marchesotti, Daniele (1465) | Won 2-0 | +171517 |
| 2sealed | 248 | Rusconi, Matteo (1686) | Lost 0-2 | -151502 |
| 3sealed | 383 | Sormani, Reto (1761) | Lost 1-2 | -131489 |
| 4sealed | 472 | Brancaccio, Roberto (1498) | Won 2-0 | +181507 |
| 5sealed | 369 | Pasgaard, Alexander (1496) | Lost 1-2 | -181489 |
| top | average opponent: 1581record: 2-3 | new rating: 1489 | ||