Merta, Martin
Current rating: 1364
Record: 5-13
| Grand Prix London 2013 (GTC limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 349 | Nelson, Andy (1505) | Lost 0-2 | -171426 |
| 2sealed | 705 | De Swarte, Daniel (1507) | Lost 0-2 | -161410 |
| 3sealed | 807 | Smyth, Robert (1462) | Lost 0-2 | -171393 |
| 4sealed | 877 | Hellstrom, Hanna (1445) | Won 2-1 | +191412 |
| 5sealed | 794 | Remi, Alexander (1434) | Lost 1-2 | -181394 |
| 6sealed | 741 | Larsen, Christoffer (1556) | Won 2-0 | +211415 |
| 7sealed | 592 | Hancocks, John (1438) | Lost 1-2 | -181397 |
| 8sealed | 510 | Toms, Graeme (1468) | Lost 1-2 | -161381 |
| 9sealed | 420 | Calovini, Lukas (1462) | Lost 1-2 | -171364 |
| average opponent: 1475record: 2-7 | new rating: 1364 | |||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 181 | Paleocrassas, Dimitrio (1295) | Lost 1-2 | -221478 |
| 2standard | 282 | Roos, Sander (1464) | Won 2-1 | +181496 |
| 3standard | 257 | Ruddat, Christopher (1607) | Won 2-0 | +201516 |
| 4standard | 164 | Abel, Max (1477) | Lost 0-2 | -191497 |
| 5standard | 288 | Trombetta, Roberto (1501) | Won 2-0 | +181515 |
| 6standard | 208 | Stoppel, Andrej (1518) | Lost 0-2 | -181497 |
| 7standard | 244 | Fienbork, Fabian (1532) | Lost 0-2 | -171480 |
| 8standard | 204 | Verbiest, Bart (1435) | Lost 1-2 | -191461 |
| 9standard | 195 | Schilling, Lars (1459) | Lost 0-2 | -181443 |
| average opponent: 1476record: 3-6 | new rating: 1443 | |||