Akerstrom, Janne
Current rating: 1585
Record: 31-29-1 (GP) / 2-5 (professional)
| Players Tour Online 1 (MTGA IKO standard) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Hrycej, Martin (1908) | Won 2-0 | +231646 |
| 2standard | 14 | Gonzalez Hidalgo, Francisco Jose (1701) | Won 2-1 | +191665 |
| 3standard | 7 | Tanaka, Hironori (1507) | Lost 1-2 | -211644 |
| 4standard | 38 | Sakai, Tatsuya (1641) | Lost 0-2 | -181626 |
| 5standard | 58 | Sato, Rei (1722) | Lost 0-2 | -161610 |
| 6standard | 62 | Karsten, Frank (1909) | Lost 0-2 | -131597 |
| 7standard | 81 | Strasky, Ondrej (1971) | Lost 1-2 | -121585 |
| top | average opponent: 1766record: 2-5 | new rating: 1585 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1645 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 146 | Viniczai, Tibor (1654) | Lost 1-2 | -181627 |
| 4pioneer | 287 | Kunkeler, Thom (1520) | Won 2-0 | +161643 |
| 5pioneer | 168 | Klingsheim, Harald (1523) | Won 2-1 | +161659 |
| 6pioneer | 95 | Roudier, Remi (1680) | Lost 0-2 | -181641 |
| 7pioneer | 294 | Klimczyk, Wojtek (1602) | Lost 0-2 | -181623 |
| top | average opponent: 1595record: 2-3 | new rating: 1623 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 215 | McGovern, Mark (1684) | Won 2-0 | +201581 |
| A2sealed | 74 | Kurata, Shintaro (1746) | Won 2-1 | +211602 |
| A3sealed | 6 | Kohler, Tim (1703) | Won 2-1 | +201622 |
| A4sealed | 41 | Rozycki, Krzysztof (1649) | Won 2-0 | +191641 |
| A5sealed | 19 | Lebon, Tristan (1842) | Lost 1-2 | -151626 |
| A6sealed | 23 | Frith, Oliver (1702) | Lost 0-2 | -161610 |
| C1sealed | 162 | Kamenov, Kamen (1542) | Won 2-1 | +161626 |
| C2sealed | 33 | Panteleit, Markus (1706) | Lost 0-2 | -161610 |
| C3sealed | 208 | Malkoc, Gari (1505) | Won 2-0 | +161626 |
| C4sealed | 162 | Body, John (1566) | Won 2-1 | +171643 |
| C5sealed | 73 | Lave, Ole (1732) | Lost 1-2 | -171626 |
| C6sealed | 123 | Zeni, Claudio (1663) | Won 2-0 | +191645 |
| top | average opponent: 1670record: 8-4 | new rating: 1645 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 48 | Junno, Jonne (1573) | Lost 0-2 | -181519 |
| 4sealed | 648 | Kupec, Bernhard (1487) | Won 2-0 | +181537 |
| 5sealed | 388 | Johns, Gunnar (1481) | Draw 1-1 | -11536 |
| 6sealed | 361 | Groth, Johannes (1492) | Won 2-0 | +171553 |
| 7sealed | 195 | De Place, Lauge (1926) | Won 2-0 | +241577 |
| 8sealed | 110 | Sekret, Serhii (1673) | Lost 1-2 | -161561 |
| top | average opponent: 1605record: 3-2-1 | new rating: 1561 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 228 | Ljungqvist-Duran, Hans (1677) | Lost 1-2 | -151473 |
| 4modern | 199 | Akerblom, Philip (1417) | Won 2-0 | +171490 |
| 5modern | 180 | Torrisco Jimenez, Alvaro (1578) | Lost 0-2 | -161474 |
| 6modern | 243 | Arlow, Chris (1517) | Won 2-1 | +191493 |
| 7modern | 183 | Bull, Alexander (1546) | Won 2-1 | +191512 |
| 8modern | 136 | Gennari, Justin (1813) | Won 2-1 | +231535 |
| 9modern | 51 | Beskow, Alexander (1598) | Lost 0-2 | -171518 |
| 10modern | 117 | Santos, Bernardo (1996) | Lost 0-2 | -101508 |
| 11modern | 116 | Runesson, Robin (1610) | Lost 1-2 | -161492 |
| 12modern | 113 | Svensson, Jacob (1546) | Won 2-1 | +191511 |
| 13modern | 101 | Signargout, Axel (1862) | Lost 0-2 | -121499 |
| 14modern | 104 | Claudon, Pierre-Yves (1512) | Won 2-0 | +181517 |
| 15modern | 94 | Salonen, Tatu (1577) | Won 2-0 | +201537 |
| top | average opponent: 1634record: 7-6 | new rating: 1537 | ||
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Vila Canela, Albert (1500) | Won 2-0 | +181518 |
| 2standard | 142 | White, Stephen (1518) | Lost 1-2 | -181500 |
| 3standard | 241 | Nuttall, Daniel (1573) | Won 2-0 | +191519 |
| 4standard | 220 | Putra, Alvin (1528) | Lost 0-2 | -181501 |
| 5standard | 279 | Calas, David (1751) | Lost 0-2 | -131488 |
| top | average opponent: 1574record: 2-3 | new rating: 1488 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 51 | Wallin, Peter (1447) | Won 2-0 | +171481 |
| 3sealed | 19 | Haddemo, Peter (1567) | Won 2-0 | +201501 |
| 4sealed | 53 | Cornelissen, Kamiel (1920) | Lost 0-2 | -111490 |
| 5sealed | 69 | Pauling, Owen (1679) | Won 2-1 | +221512 |
| 6sealed | 95 | Harding, Oyvind (1761) | Lost 1-2 | -141498 |
| 7sealed | 88 | Nystrom, Per (1562) | Lost 0-0 | -171481 |
| 8sealed | 121 | Orsini Jones, Matteo (1526) | Won 2-1 | +191500 |
| top | average opponent: 1637record: 4-3 | new rating: 1500 | ||
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Becker, Otto (1500) | Lost 0-2 | -171434 |
| 2sealed | 160 | Elomaa, Veijo (1482) | Won 2-0 | +191453 |
| 3sealed | 110 | Nikiporow, Antero (1501) | Won 2-0 | +191472 |
| 4sealed | 84 | Hiltunen, Arto (1760) | Lost 0-2 | -131459 |
| 5sealed | 111 | Gardelin, Jonas (1687) | Won 2-0 | +221481 |
| 6sealed | 111 | Saarela, Tatu (1518) | Lost 0-2 | -171464 |
| top | average opponent: 1575record: 3-3 | new rating: 1464 | ||
| Grand Prix Gothenburg 2003 (MRD limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 141 | Svensson, Johannes (1500) | Won 2-0 | +191503 |
| 2sealed | 71 | Kristensen, Dennis (1617) | Lost 0-2 | -161487 |
| 3sealed | 130 | Sanfridsson, Peter (1500) | Lost 1-2 | -181469 |
| 4sealed | 197 | Andersen, Johan (1483) | Lost 0-2 | -181451 |
| top | average opponent: 1525record: 1-3 | new rating: 1451 | ||
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Knop, Darren (1500) | Lost 1-2 | -181482 |
| 2sealed | 130 | Holtin, Benjamin (1609) | Won 2-0 | +201502 |
| 3sealed | 134 | Norda, Jason (1500) | Lost 0-2 | -181484 |
| top | average opponent: 1536record: 1-2 | new rating: 1484 | ||