Marko, Peter
Current rating: 1606
Record: 21-15
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Dodd, Rebecca M (1500) | Won 2-0 | +171559 |
| 2sealed | 55 | Sherman, Kevin (1501) | Lost 0-2 | -191540 |
| 3sealed | 123 | West, Stephanie N (1500) | Won 2-0 | +181558 |
| 4sealed | 117 | Pellegrini, Jamey (1418) | Won 2-1 | +151573 |
| 5sealed | 65 | Speranza, Joshua (1501) | Won 2-0 | +171590 |
| 6sealed | 18 | Baldwin, Kyle (1557) | Lost 0-2 | -191571 |
| 7sealed | 79 | Hans, Jeff (1527) | Won 2-1 | +171588 |
| 8sealed | 28 | Holsclaw, Josh (1556) | Won 2-0 | +181606 |
| top | average opponent: 1507record: 6-2 | new rating: 1606 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Jaklovsky, Lukas (1500) | Won 2-0 | +171538 |
| 2sealed | 42 | Meewes, Stefan (1577) | Won 2-0 | +191557 |
| 3sealed | 95 | Minieri, Dario (1609) | Lost 0-2 | -171540 |
| 4sealed | 252 | Lontri, Andrea (1482) | Won 2-1 | +171557 |
| 5sealed | 108 | Eckl, Sebastian (1701) | Lost 0-2 | -161541 |
| 6sealed | 240 | Langer, Tomas (1542) | Won 2-0 | +181559 |
| 7sealed | 110 | Nessler, Michael (1620) | Won 2-1 | +201579 |
| 8sealed | 58 | Cvetkovic, Marko (1595) | Lost 0-2 | -181561 |
| 9sealed | 128 | Arnus, Rene (1528) | Lost 1-2 | -191542 |
| top | average opponent: 1573record: 5-4 | new rating: 1542 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Kuntzsch, Colin (1539) | Won 2-1 | +191538 |
| 2sealed | 151 | Carlsson, Simon (1537) | Lost 0-2 | -181520 |
| 3sealed | 278 | Goldberg, Nicolas (1510) | Won 2-1 | +181538 |
| 4sealed | 135 | Gallus, Andrej (1520) | Lost 0-2 | -191519 |
| 5sealed | 238 | Bina, Frantisek (1500) | Won 2-0 | +181537 |
| 6sealed | 198 | Perthuis, Thibault (1613) | Won 2-0 | +191556 |
| 7sealed | 88 | Gorniak, Mariusz (1642) | Lost 1-2 | -161540 |
| 8sealed | 155 | Brozek, Jan (1468) | Lost 1-2 | -191521 |
| top | average opponent: 1541record: 4-4 | new rating: 1521 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Tan, Iwan (1686) | Lost 0-1 | -151521 |
| 2sealed | 278 | Volk, Jorg (1487) | Won 2-1 | +171538 |
| 3sealed | 219 | Haim, Christophe (1485) | Lost 0-2 | -191519 |
| top | average opponent: 1553record: 1-2 | new rating: 1519 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Jung, Pavel (1500) | Won 2-1 | +181518 |
| 2sealed | 40 | Bendl, Petr (1518) | Won 2-0 | +181536 |
| 3sealed | 36 | Capek, Tomas (1537) | Won 2-1 | +181554 |
| 4sealed | 48 | Svoboda, Cenek (1556) | Lost 0-2 | -181536 |
| 5sealed | 51 | Petrov, Maxim (1537) | Lost 1-2 | -181518 |
| 6sealed | 112 | Leichtfried, Peter (1517) | Won 2-1 | +181536 |
| 7sealed | 78 | Tichy, Robert (1553) | Won 2-1 | +181554 |
| 8sealed | 49 | Zgodzaj, Christoph (1552) | Lost 1-2 | -181536 |
| top | average opponent: 1534record: 5-3 | new rating: 1536 | ||