Petersen, Aik
Current rating: 1554
Record: 9-4 (GP) / 7-11 (professional)
| 2011 World Championship (mixed) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Bertiou, Simon (1676) | Lost 0-2 | -161597 |
| 2standard | 123 | Wood, Ian (1692) | Lost 1-2 | -171580 |
| 3standard | 152 | Yunes Valdez, Dario (1469) | Won 2-0 | +161596 |
| 4standard | 126 | Ronnkvist, Per (1537) | Lost 1-2 | -191577 |
| 5standard | 151 | Chew, Kelvin (1556) | Won 2-1 | +181595 |
| 6standard | 136 | Papadatos, Fondas (1745) | Lost 0-2 | -151580 |
| 7draft | 148 | Sajgalik, Eduardo (1645) | Lost 1-2 | -171563 |
| 8draft | 169 | Luna, Javier (1521) | Won 2-1 | +171580 |
| 9draft | 157 | Field, Scott (1500) | Won 2-0 | +161596 |
| 10draft | 79 | Sanabio, Sergio (1701) | Won 2-1 | +201616 |
| 11draft | 182 | Cole, Robb (1751) | Lost 0-2 | -151601 |
| 12draft | 134 | Heigerer, Stefan (1645) | Lost 1-2 | -171584 |
| 13modern | 115 | Li, Ang (1476) | Won 2-1 | +161600 |
| 14modern | 114 | Haggkvist, Sami (1822) | Lost 0-2 | -141586 |
| 15modern | 120 | Munoz, Matthew (1445) | Won 2-0 | +151601 |
| 16modern | 100 | Chun, Bo Ruad (1745) | Lost 0-2 | -151586 |
| 17modern | 120 | Williamson, David [AUS] (1755) | Lost 0-2 | -151571 |
| 18modern | 121 | Fonseca, Tiago (1658) | Lost 1-2 | -171554 |
| average opponent: 1630record: 7-11 | new rating: 1554 | |||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 469 | Firek, Matthew (1537) | Lost 0-2 | -171483 |
| 4sealed | 554 | Stednitz, David (1533) | Won 2-0 | +191502 |
| 5sealed | 525 | Burgold, Lino (1786) | Lost 0-2 | -131489 |
| 6sealed | 517 | Slayton, Ryan R (1521) | Won 2-0 | +181507 |
| 7sealed | 515 | Cuvelier, John (1651) | Won 2-1 | +211528 |
| 8sealed | 466 | Dickman, Philip (1617) | Won 2-1 | +191547 |
| 9sealed | 457 | Weitz, Benjamin (1609) | Won 2-1 | +201567 |
| 10draft | 47 | Brunson, Damyan (1610) | Won 2-0 | +181585 |
| 11draft | 5 | Hsu, Daniel (1624) | Won 2-0 | +191604 |
| 12draft | 26 | Neill, David (1665) | Won 2-1 | +191623 |
| 13draft | 15 | Utter-Leyton, Josh (2082) | Lost 0-2 | -101613 |
| 14draft | 47 | Baker, Thomas D (1642) | Won 2-1 | +191632 |
| 15draft | 14 | Garcia Rosas, Jose Daniel (1624) | Lost 0-2 | -191613 |
| average opponent: 1654record: 9-4 | new rating: 1613 | |||