Westerlund, Sebastian
Current rating: 1560
Record: 28-28
| Grand Prix London 2016 (KLD limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 841 | Andersson, Kris (1432) | Won 2-0 | +181462 |
| 2sealed | 375 | Armstrong, Sean (1522) | Won 2-0 | +191481 |
| 3sealed | 69 | Holm, Soren (1559) | Won 2-0 | +191500 |
| 4sealed | 49 | Janik, Maciej (1957) | Lost 1-2 | -101490 |
| 5sealed | 222 | Delvigne, Emmanuel (1657) | Won 2-1 | +211511 |
| 6sealed | 148 | Howarth, Andrew (1448) | Lost 0-2 | -191492 |
| 7sealed | 320 | Parker, Samuel A (1589) | Won 2-1 | +201512 |
| 8sealed | 221 | Clark, Scott (1483) | Won 2-0 | +171529 |
| 9sealed | 152 | Magnani, Paolo (1831) | Won 2-0 | +241553 |
| 10draft | 108 | Nguyen, Minh [UK] (1671) | Lost 0-2 | -161537 |
| 11draft | 234 | Bratelia, Alexander (1704) | Won 2-1 | +211558 |
| 12draft | 272 | Marshall, Lewis (1649) | Won 2-0 | +191577 |
| 13draft | 202 | White, Paul [ENG] (1592) | Lost 0-2 | -171560 |
| top | average opponent: 1623record: 9-4 | new rating: 1560 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 150 | Skjervold, Audun (1500) | Lost 1-2 | -171460 |
| 2sealed | 381 | Agren, Rickard (1465) | Lost 0-2 | -181442 |
| 3sealed | 548 | Hoydonckx, Yves (1608) | Won 2-0 | +211463 |
| 4sealed | 462 | Svendsen, Magnus (1436) | Lost 1-2 | -191444 |
| top | average opponent: 1502record: 1-3 | new rating: 1444 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Walker, Mark D (1309) | Won 2-0 | +161468 |
| 2sealed | 267 | Ahlberg, Daniel (1444) | Won 2-0 | +171485 |
| 3sealed | 234 | Merali, Ali (1535) | Won 2-0 | +191504 |
| 4sealed | 226 | Samra, Baljeet (1450) | Lost 0-2 | -191485 |
| 5sealed | 229 | Anker-Nilssen, Rasmus (1481) | Won 2-1 | +181503 |
| 6sealed | 232 | Dos Remedios, Aaron (1771) | Lost 0-2 | -131490 |
| 7sealed | 266 | Vanden Berghe, Jan (1565) | Won 2-1 | +191509 |
| 8sealed | 237 | Ferrara, Giacomo (1697) | Lost 0-2 | -141495 |
| 9sealed | 242 | Cordier, Kris (1512) | Lost 1-2 | -181477 |
| top | average opponent: 1529record: 5-4 | new rating: 1477 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 647 | Wendt, Kristoffer (1500) | Lost 1-2 | -181471 |
| 2sealed | 673 | Vache, Alexandre (1429) | Lost 1-2 | -191452 |
| top | average opponent: 1465record: 0-2 | new rating: 1452 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 176 | Mader, Markus (1464) | Won 2-0 | +171519 |
| 3sealed | 123 | Jolly, Mathieu (1572) | Lost 1-2 | -171502 |
| 4sealed | 188 | Luc, John (1760) | Lost 1-2 | -141488 |
| 5sealed | 266 | Waelkens, Wim (1510) | Won 2-0 | +191507 |
| 6sealed | 198 | Cooper, Steven (1518) | Lost 0-2 | -181489 |
| top | average opponent: 1565record: 2-3 | new rating: 1489 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 15 | Drda, Zdenik (1518) | Won 2-0 | +181534 |
| 3sealed | 91 | Martins, Tony (1695) | Lost 1-2 | -151519 |
| 4sealed | 139 | Roche, Michael (1530) | Lost 0-2 | -171502 |
| top | average opponent: 1581record: 1-2 | new rating: 1502 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 101 | Bouton, Simon (1614) | Lost 1-2 | -161457 |
| 3sealed | 145 | Mendonca, Joao C (1500) | Won 2-0 | +191476 |
| 4sealed | 160 | Lindberg, Jens (1500) | Won 2-0 | +181494 |
| 5sealed | 84 | Heiska, Jaakko (1529) | Won 2-0 | +191513 |
| 6sealed | 55 | Nordahl, Andreas (1505) | Lost 1-2 | -181495 |
| 7sealed | 104 | Vallivaara, Visa (1565) | Won 0-0 | +191514 |
| 8sealed | 91 | van de Veen, Steffen (1639) | Lost 0-2 | -161498 |
| 9sealed | 86 | Kask, Raul (1497) | Won 2-0 | +181516 |
| top | average opponent: 1544record: 5-3 | new rating: 1516 | ||
| Grand Prix Malmo 2006 (CSP limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Kirkegaard, Martin (1474) | Lost 0-2 | -181491 |
| 2sealed | 205 | Jacobsen, Ivan (1483) | Lost 1-2 | -181473 |
| top | average opponent: 1478record: 0-2 | new rating: 1473 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Midgley, Kyle (1500) | Won 2-0 | +181487 |
| 2sealed | 33 | Biggs, Scott (1489) | Lost 0-0 | -181469 |
| 3sealed | 95 | King, James G (1534) | Won 2-1 | +201489 |
| 4sealed | 95 | Ford, Adam (1521) | Won 2-1 | +181507 |
| 5sealed | 43 | Lockhard, Philly (1544) | Lost 1-2 | -171490 |
| 6sealed | 2 | Cloete, Werner (1580) | Won 2-0 | +191509 |
| top | average opponent: 1528record: 4-2 | new rating: 1509 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Gethke, Tobias (1515) | Lost 1-2 | -181482 |
| 2sealed | 171 | Gansel, Toni (1554) | Lost 0-2 | -161466 |
| 3sealed | 226 | Thompson, Jimmy (1378) | Won 2-0 | +161482 |
| 4sealed | 194 | Tschirch, Marc (1752) | Lost 0-2 | -131469 |
| top | average opponent: 1550record: 1-3 | new rating: 1469 | ||