Welsch, Marcel
Current rating: 1410
Record: 6-13
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 405 | Saettone, Matteo (1329) | Won 2-1 | +171404 |
| 2sealed | 354 | Tal, Yaniv (1518) | Won 2-0 | +201424 |
| 3sealed | 69 | Spanos, Alexandros (1494) | Lost 0-2 | -171407 |
| 4sealed | 315 | Beasley, Rob (1747) | Won 2-1 | +241431 |
| 5sealed | 179 | Strazzera, Matteo (1670) | Won 2-0 | +221453 |
| 6sealed | 127 | Zimmermann, Raoul (1730) | Lost 0-2 | -131440 |
| 7sealed | 291 | Langer, Tomas (1689) | Lost 1-2 | -131427 |
| 8sealed | 339 | Baerswil, Stephane (1525) | Lost 0-2 | -171410 |
| top | average opponent: 1588record: 4-4 | new rating: 1410 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | De Simone, Luigi (1521) | Lost 0-2 | -161419 |
| 2sealed | 427 | Mauch, Hannes (1479) | Lost 0-2 | -171402 |
| 3sealed | 520 | Garella, Andrea (1556) | Lost 1-2 | -151387 |
| top | average opponent: 1519record: 0-3 | new rating: 1387 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Borrelli, Jacopo (1688) | Lost 0-2 | -141471 |
| 2standard | 395 | Keupp, Andreas (1482) | Lost 1-2 | -181453 |
| 3standard | 630 | Virtanen, Ville (1462) | Lost 0-2 | -181435 |
| top | average opponent: 1544record: 0-3 | new rating: 1435 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 613 | Ottomansky, Vojtech (1500) | Lost 0-2 | -181482 |
| 2sealed | 724 | Bottcher, Daniel (1547) | Lost 1-2 | -171465 |
| 3sealed | 765 | Hudak, Matus (1465) | Won 2-1 | +181483 |
| 4sealed | 757 | Sadlon, Vladimir (1520) | Won 2-0 | +191502 |
| 5sealed | 666 | Frait, Frantisek (1584) | Lost 0-2 | -171485 |
| top | average opponent: 1523record: 2-3 | new rating: 1485 | ||