Viehmann, Christian
Current rating: 1509
Record: 16-16
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 520 | Nesser, Ralph (1500) | Won 2-1 | +191471 |
| 2sealed | 83 | Garcia, Fabien (1395) | Won 2-0 | +161487 |
| 3sealed | 170 | Green, John (1558) | Won 2-0 | +191506 |
| 4sealed | 139 | van den Bogaard, Ricardo (1761) | Lost 0-2 | -131493 |
| 5sealed | 129 | Gergely, Levente (1450) | Won 2-0 | +171510 |
| 6sealed | 85 | Fransen, Bart [BEL] (1415) | Lost 0-2 | -201490 |
| 7sealed | 146 | Knizewski, Mateusz (1471) | Won 2-1 | +181508 |
| 8sealed | 111 | Lubosch Geb. Hanke, Ka (1562) | Won 2-0 | +191527 |
| 9sealed | 57 | Pajak, Tomasz (1525) | Lost 1-2 | -181509 |
| top | average opponent: 1515record: 6-3 | new rating: 1509 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 160 | da Silveira, Matheus Daniel (1486) | Lost 0-2 | -181469 |
| 2modern | 438 | Zima, Vladimir (1481) | Lost 0-2 | -181451 |
| 3modern | 625 | Grosse, Martin (1463) | Won 2-0 | +181469 |
| 4modern | 614 | Trejtnar, Andreas (1530) | Won 2-1 | +201489 |
| 5modern | 402 | Brusky, Ivan (1473) | Lost 0-2 | -191470 |
| 6modern | 548 | Stanik, Daniel (1437) | Lost 1-2 | -181452 |
| top | average opponent: 1478record: 2-4 | new rating: 1452 | ||
| Grand Prix Lyon 2012 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 53 | Volpe, Mario (1500) | Lost 0-2 | -181507 |
| 2modern | 232 | Chanussot, Jeremie (1481) | Won 2-0 | +171524 |
| 3modern | 139 | Mariller, Sebastien (1475) | Lost 0-2 | -191505 |
| 4modern | 297 | Muzette, Jerome (1479) | Lost 1-2 | -181487 |
| top | average opponent: 1484record: 1-3 | new rating: 1487 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 533 | Bodsch, Andreas (1526) | Lost 0-2 | -181482 |
| 2sealed | 799 | Pinder, Mark (1465) | Won 2-1 | +181500 |
| 3sealed | 789 | Nommensen, Knud (1522) | Won 2-0 | +191519 |
| 4sealed | 738 | Van Volsem, Geert (1455) | Won 2-0 | +161535 |
| 5sealed | 639 | Maij, Rosario (1931) | Lost 1-2 | -111524 |
| 6sealed | 630 | Heinrich, Jorg (1536) | Won 2-1 | +181542 |
| 7sealed | 604 | Klocker, Mario (1550) | Won 2-1 | +191561 |
| 8sealed | 616 | Pashuysen, Tom (1564) | Won 2-1 | +181579 |
| 9sealed | 534 | Moorman, Rick (1536) | Won 2-0 | +171596 |
| 10sealed | 89 | Boehmler, Aaron (1700) | Lost 1-2 | -161580 |
| 11draft | 76 | Schepker, Henning F (1540) | Lost 0-2 | -191561 |
| 12draft | 56 | Caekebeke, Evert (1517) | Lost 0-2 | -191542 |
| 16draft | 50 | Mccrae, John (1598) | Lost 0-2 | -171525 |
| top | average opponent: 1572record: 7-6 | new rating: 1525 | ||