Petsch, Andy
Current rating: 1602
Record: 11-5-1
| Grand Prix Ghent 2012 (legacy) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 58 | Lenaerts, Mathi (1543) | Lost 1-2 | -191536 |
| 3legacy | 195 | Joannes, Kevin (1502) | Won 2-0 | +181554 |
| 4legacy | 150 | Niklasson, Per (1398) | Lost 0-2 | -211533 |
| 5legacy | 189 | Retter, Jerome (1432) | Won 2-1 | +161549 |
| 6legacy | 172 | Dordain, Iann (1514) | Won 2-1 | +171566 |
| 7legacy | 124 | De Haes, Wouter (1537) | Draw 1-1 | 01566 |
| 8legacy | 108 | Ruddat, Christopher (1632) | Won 2-1 | +191585 |
| 9legacy | 70 | Lete, Didier (1534) | Won 2-0 | +171602 |
| average opponent: 1512record: 5-2-1 | new rating: 1602 | |||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 739 | Stritzel, Florian (1500) | Lost 1-2 | -181482 |
| 2sealed | 798 | Bangert, Jens (1486) | Lost 0-2 | -181464 |
| 3sealed | 842 | Klose, Andreas (1463) | Won 2-0 | +181482 |
| 4sealed | 858 | Kirkegaard, Hack Kampmann (1481) | Won 2-1 | +181500 |
| 5sealed | 726 | Kleiner, Sebastian (1502) | Lost 1-2 | -181482 |
| 6sealed | 758 | Berger, Simon (1439) | Won 2-0 | +171499 |
| 7sealed | 696 | Luddecke, Florian (1494) | Won 2-0 | +181517 |
| 8sealed | 639 | Yashina, Valeria (1473) | Won 2-1 | +171534 |
| 9sealed | 586 | Wolff, Tobias (1654) | Won 2-1 | +211555 |
| average opponent: 1499record: 6-3 | new rating: 1555 | |||