Petren, Tobias
Current rating: 1559
Record: 18-15-3
| Grand Prix Stockholm 2018 (modern) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 207 | Jancke, Christoffer (1517) | Won 2-0 | +181550 |
| 2modern | 173 | Landin, Rickard (1454) | Won 2-0 | +161566 |
| 3modern | 154 | Sanders, Dominic (1757) | Won 2-0 | +221588 |
| 4modern | 3 | Gouw, Esther (1573) | Won 2-1 | +171605 |
| 5modern | 49 | Christensen, Oscar (1977) | Lost 0-2 | -111594 |
| 6modern | 93 | Miele, Giuseppe (1560) | Won 2-1 | +171611 |
| 7modern | 95 | Bergelin, Jakob (1536) | Lost 1-2 | -191592 |
| 8modern | 86 | Guillerm, Benjamin (1817) | Won 2-1 | +221614 |
| 9modern | 106 | Jacobsen, Soren Knak (1547) | Won 2-0 | +171631 |
| 10modern | 51 | Ciotta, Andrea (1745) | Lost 1-2 | -161615 |
| 11modern | 61 | Beskow, Alexander (1596) | Lost 0-2 | -181597 |
| 12modern | 105 | Korhonen, Niko 5620 (1522) | Lost 0-2 | -201577 |
| 13modern | 99 | Fikus, Damian (1556) | Lost 1-2 | -181559 |
| top | average opponent: 1628record: 7-6 | new rating: 1559 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 16 | Courbis, Raphael (1639) | Won 2-0 | +201556 |
| 2modern | 143 | Kure, Thomas (1486) | Won 2-1 | +171573 |
| 3modern | 162 | Lind, Daniel (1510) | Lost 0-2 | -191554 |
| 4modern | 457 | Reisinger, Felix (1517) | Lost 0-2 | -191535 |
| 5modern | 496 | Ronnest, Mads Holger (1510) | Won 2-1 | +181553 |
| 6modern | 430 | Pohjola, Jarno (1460) | Lost 0-2 | -201533 |
| 7modern | 570 | Ohra-Aho, Jetro (1565) | Won 2-1 | +181551 |
| 8modern | 332 | Tuuvas, Mattias (1494) | Lost 0-2 | -191532 |
| top | average opponent: 1523record: 4-4 | new rating: 1532 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Bohm, Philip (1395) | Lost 0-2 | -211541 |
| 2sealed | 547 | Arendt, Moritz (1438) | Draw 1-1 | -21539 |
| 3sealed | 818 | Pechler, Gervaise (1521) | Won 2-0 | +181557 |
| 4sealed | 665 | Dujic, Goran (1499) | Won 2-0 | +171574 |
| 5sealed | 462 | Hedlund, Anton (1575) | Lost 0-2 | -181556 |
| 6sealed | 621 | Holtz, Henning (1477) | Lost 0-2 | -201536 |
| top | average opponent: 1484record: 2-3-1 | new rating: 1536 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Ligtvoet, Mark (1547) | Won 2-1 | +191519 |
| 2sealed | 157 | Rohm, Bjorn (1396) | Lost 0-2 | -201499 |
| 3sealed | 418 | Danz, Jakob (1539) | Won 2-1 | +181517 |
| 4sealed | 343 | Horber, Dominik (1564) | Won 2-0 | +191536 |
| 5sealed | 229 | Unfried, Jorg (1804) | Lost 0-2 | -131523 |
| 6sealed | 220 | Schwede, Sten (1493) | Won 2-0 | +171540 |
| 7sealed | 202 | Busquiel Sanz, Christian Sengir (1503) | Won 2-1 | +181558 |
| 8sealed | 159 | Johansson, Pontus (1698) | Draw 1-1 | +21560 |
| 9sealed | 112 | Zhong, Alex (1645) | Draw 1-1 | +21562 |
| top | average opponent: 1577record: 5-2-2 | new rating: 1562 | ||