Petersen, Jens
Current rating: 1541
Record: 13-12-1 (GP) / 10-11 (professional)
| Pro Tour Barcelona 2001 (PLS draft) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 68 | Ronnqvist, Johan (1500) | Won 2-1 | +171565 |
| 2draft | 80 | Zink, Daniel (1660) | Won 2-1 | +201585 |
| 3draft | 63 | Niwa, Toshiharu (1565) | Won 2-1 | +181603 |
| 4draft | 3 | Nobushita, Jun (1720) | Won 2-1 | +201623 |
| 5draft | 116 | Budde, Kai (1965) | Lost 1-2 | -121611 |
| 6draft | 134 | Maher, Bob (1969) | Won 2-1 | +241635 |
| 7draft | 17 | Mello, Patrick (1667) | Lost 0-2 | -171618 |
| 8draft | 73 | Kapalas, Georgios (1572) | Lost 0-2 | -191599 |
| 9draft | 24 | Canu, Franck (1853) | Lost 0-2 | -141585 |
| 10draft | 56 | Hubble, Bryan (1825) | Lost 0-2 | -131572 |
| 11draft | 62 | Madsen, Soren (1568) | Won 2-1 | +181590 |
| 12draft | 67 | Kok, Christiaan (1547) | Lost 1-2 | -191571 |
| 13draft | 60 | van der Steenhoven, Rob (1679) | Lost 1-2 | -161555 |
| 14draft | 66 | Osterberg, Rickard (1770) | Lost 1-2 | -141541 |
| top | average opponent: 1704record: 6-8 | new rating: 1541 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 42 | Vavra, Jan (1518) | Lost 0-2 | -191551 |
| 3sealed | 193 | Weber, Antonin (1500) | Won 2-0 | +171568 |
| 4sealed | 66 | Wetzl, Roland (1468) | Lost 0-2 | -201548 |
| top | average opponent: 1495record: 1-2 | new rating: 1548 | ||
| Pro Tour Chicago 2000 (INV standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Bregoli, Mike (1757) | Lost 0-2 | -151531 |
| 2standard | 146 | Ikeda, Tsuyoshi (1577) | Won 2-1 | +191550 |
| 3standard | 46 | Guevin, Thomas (1708) | Won 2-0 | +211571 |
| 4standard | 46 | McKeon, Robert (1392) | Won 2-0 | +151586 |
| 5standard | 41 | Rohner, Omar (1616) | Lost 1-2 | -181568 |
| 6standard | 75 | Mullor, Jorge (1470) | Won 2-0 | +171585 |
| 7standard | 40 | Herzog, Nicolai (1775) | Lost 0-2 | -151570 |
| top | average opponent: 1614record: 4-3 | new rating: 1570 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 38 | Mendes, Joao (1536) | Won 2-0 | +171583 |
| 4sealed | 20 | Fuentes, Hector (1584) | Lost 0-0 | -181565 |
| 5sealed | 49 | Costa, Carlos (1536) | Won 2-0 | +181583 |
| 6sealed | 46 | Caetano, Ruben (1572) | Lost 1-2 | -191564 |
| 7sealed | 80 | Costa, Nuno 2 (1522) | Lost 1-2 | -181546 |
| top | average opponent: 1550record: 2-3 | new rating: 1546 | ||
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 31 | Cedercrantz, Johan (1529) | Won 2-1 | +181564 |
| 4sealed | 39 | Ruel, Antoine (1520) | Lost 0-2 | -191545 |
| 5sealed | 70 | Lagerstrom, Marcus (1517) | Won 2-1 | +181563 |
| 6sealed | 29 | Herold, Jim (1744) | Lost 0-2 | -151548 |
| 7sealed | 58 | Muller, Andre (1539) | Won 2-0 | +181566 |
| top | average opponent: 1570record: 3-2 | new rating: 1566 | ||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 135 | Poletti, Silvano (1500) | Won 2-0 | +191501 |
| 2block | 56 | Lombardi, Piero (1518) | Won 2-0 | +181519 |
| 3block | 45 | Facchetti, Eugenio (1553) | Won 2-0 | +191538 |
| 4block | 34 | Curina, Ivan (1537) | Lost 0-2 | -181520 |
| 5block | 65 | Rizzatto, Alex (1552) | Won 2-1 | +181538 |
| 6block | 42 | Mascelloni, Marco (1557) | Won 2-1 | +191557 |
| 7block | 24 | Lo Moro, Raffaele (1786) | Draw 1-1 | +41561 |
| 8block | 17 | Herms, Roc (1754) | Lost 1-2 | -151546 |
| top | average opponent: 1594record: 5-2-1 | new rating: 1546 | ||
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Rezniczek, Gunther (1500) | Lost 0-0 | -181482 |
| 2extended | 155 | Windauer, Ron (1487) | Lost 0-0 | -181464 |
| 3extended | 168 | Bommer, Jay (1481) | Won 0-0 | +181482 |
| 4extended | 120 | Michler, Vasja (1482) | Won 0-0 | +181500 |
| 5extended | 109 | Tropini Bassino, Lorenzo (1501) | Lost 0-0 | -181482 |
| top | average opponent: 1490record: 2-3 | new rating: 1482 | ||