Sundberg, Erik
Current rating: 1725 (#5019)
Record: 31-17-2
| Grand Prix Prague 2016 (legacy) | starting rating: 1725 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 88 | Ocetek, Grzegorz (1500) | Won 2-0 | +141739 |
| 2legacy | 25 | Andersson, Per (1505) | Won 2-1 | +141753 |
| 3legacy | 99 | Hellmann, Leon (1589) | Won 2-0 | +151768 |
| 4legacy | 69 | Bachura, Miroslav (1592) | Lost 1-2 | -211747 |
| 5legacy | 255 | Johansson, Felix (1603) | Lost 0-2 | -211726 |
| 6legacy | 269 | Kero, Kai (1536) | Lost 1-2 | -211705 |
| 7legacy | 502 | Oehmig, Ronny (1447) | Won 2-0 | +131718 |
| 8legacy | 283 | Mihulowicz, Maciej (1486) | Won 2-0 | +141732 |
| 9legacy | 262 | Nousiainen, Janne (1567) | Won 2-0 | +151747 |
| 10legacy | 167 | Mahnke, Nico (1583) | Draw 1-1 | -31744 |
| 11legacy | 154 | Bonaventura, Ciro (1759) | Draw 1-1 | 01744 |
| 12legacy | 179 | Tiinus, Joona (1680) | Lost 0-2 | -191725 |
| top | average opponent: 1571record: 6-4-2 | new rating: 1725 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Olsson, Erik (1500) | Won 2-0 | +161617 |
| 2standard | 23 | Stankiewicz, Julien (1496) | Won 2-0 | +161633 |
| 3standard | 313 | Liewendahl, Christopher (1532) | Won 2-0 | +161649 |
| 4standard | 393 | Boussaud, Eliott (1906) | Won 2-1 | +231672 |
| 5standard | 8 | Schuringa, Sebastiaan (1487) | Lost 1-2 | -221650 |
| 6standard | 413 | Tchernomazov, Ilja (1596) | Won 2-0 | +171667 |
| 7standard | 28 | Krautmann, Wenzel (1925) | Lost 0-2 | -131654 |
| 8standard | 82 | Heining, Joakim (1526) | Won 2-1 | +161670 |
| 9standard | 41 | Bjorklund, Charles (1513) | Won 2-1 | +151685 |
| 10standard | 27 | Nocci, Federico (1569) | Won 2-1 | +161701 |
| 11standard | 34 | Kowalski, Grzegorz (1985) | Lost 1-2 | -131688 |
| 12standard | 45 | Tsorbatzidis, Vasilis (1428) | Lost 1-2 | -231665 |
| 13standard | 53 | Dickmann, Patrick (1991) | Won 2-1 | +241689 |
| 14standard | 41 | Soumet, Arnaud (1814) | Won 2-1 | +201709 |
| 15standard | 33 | Gustafson, Lasse (1608) | Won 2-1 | +161725 |
| top | average opponent: 1658record: 11-4 | new rating: 1725 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Karlsson, Jonas (1500) | Won 2-0 | +161612 |
| 2sealed | 105 | Karslon, David (1518) | Won 2-0 | +161628 |
| 3sealed | 2 | Krolow, Frank (1615) | Won 2-0 | +181646 |
| 4sealed | 41 | Nielsen, Brian (1509) | Won 2-0 | +151661 |
| 5sealed | 148 | Jansson, Simon (1496) | Lost 1-2 | -211640 |
| 6sealed | 117 | Berg, Edvin (1537) | Lost 1-2 | -201620 |
| 7sealed | 194 | Diallo, Madou (1540) | Lost 1-2 | -191601 |
| top | average opponent: 1531record: 4-3 | new rating: 1601 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Ekman, Mats (1500) | Won 2-0 | +171541 |
| 2sealed | 9 | Jonsson, Daniel S (1593) | Won 2-1 | +191560 |
| 3sealed | 48 | Kunwald, Christian (1754) | Won 2-0 | +221582 |
| 4sealed | 20 | Wescoe, Craig (1964) | Won 2-0 | +241606 |
| 5sealed | 10 | Mojtahedy, Babak (1670) | Lost 1-2 | -171589 |
| 6sealed | 75 | Woods, Conley (1858) | Lost 0-2 | -131576 |
| 7sealed | 101 | Eriksson, Johan (1432) | Won 2-0 | +151591 |
| 8sealed | 45 | Meertens, Job (1702) | Won 2-0 | +201611 |
| 9sealed | 43 | Szegho, Dalibor (1723) | Lost 1-2 | -151596 |
| top | average opponent: 1688record: 6-3 | new rating: 1596 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 764 | Fernandes, Vanessa (1473) | Lost 0-2 | -181482 |
| 3sealed | 799 | Fiers, Benoit (1500) | Lost 1-2 | -181464 |
| 4sealed | 954 | Gely, Jean-michel (1518) | Won 2-1 | +191483 |
| 5sealed | 860 | Seroc, Olivier (1500) | Won 2-0 | +181501 |
| 6sealed | 803 | Bovenschen, Chris (1520) | Won 2-1 | +191520 |
| 7sealed | 714 | Blumer, David (1532) | Won 2-1 | +181538 |
| 8sealed | 662 | Boell, Benjamin (1748) | Lost 0-2 | -141524 |
| top | average opponent: 1542record: 4-3 | new rating: 1524 | ||