Koskinen, Riku
Current rating: 1537
Record: 13-11-1
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 56 | Hruska, Jakub (1556) | Lost 0-2 | -181531 |
| 5sealed | 68 | Zogots, Martins (1536) | Won 2-0 | +181549 |
| 6sealed | 58 | Pobis, Jakub (1556) | Lost 1-2 | -181531 |
| 7sealed | 129 | Trossbach, Martin (1621) | Won 2-1 | +201551 |
| 8sealed | 81 | Joens, Klaus (1822) | Lost 0-2 | -141537 |
| top | average opponent: 1618record: 2-3 | new rating: 1537 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Marous, Roman (1410) | Lost 1-2 | -191499 |
| 2standard | 163 | Guldborg, Dan (1484) | Won 2-1 | +171516 |
| 3standard | 206 | Olak, Dominik (1468) | Won 2-0 | +171533 |
| 4standard | 102 | Saxrud, Are (1466) | Won 2-0 | +171550 |
| 5standard | 115 | Roinisto, Mika (1461) | Won 2-0 | +171567 |
| 6standard | 86 | Anderson, Mattias (1516) | Lost 0-2 | -191548 |
| 7standard | 80 | Kall, Tim (1575) | Won 2-0 | +181566 |
| 8standard | 88 | Janak, Tomas (1594) | Lost 0-2 | -171549 |
| top | average opponent: 1497record: 5-3 | new rating: 1549 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Vreede, Patrick (1500) | Won 2-1 | +171537 |
| 2sealed | 75 | Rosada, Adrian (1618) | Lost 0-2 | -161521 |
| 3sealed | 151 | Gregorcic, Jure (1410) | Won 2-1 | +161537 |
| 4sealed | 197 | Strom, Tobias (1462) | Won 2-0 | +171554 |
| 5sealed | 108 | Kohl, Reinhold (1665) | Lost 1-2 | -161538 |
| 6sealed | 125 | Nilsson, Andreas (1476) | Lost 1-2 | -201518 |
| top | average opponent: 1522record: 3-3 | new rating: 1518 | ||
| Grand Prix Malmo 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Norlander, Karl (1444) | Won 2-1 | +171517 |
| 2sealed | 4 | Kohv, Kaur (1518) | Won 2-0 | +181535 |
| 3sealed | 15 | Taoubi, Farid (1520) | Lost 0-2 | -181517 |
| 4sealed | 87 | Gorling, Anders (1539) | Draw 1-1 | 01517 |
| 5sealed | 130 | Haddemo, Peter (1569) | Won 2-0 | +191536 |
| 6sealed | 81 | Barth, Steffen (1634) | Lost 1-2 | -161520 |
| top | average opponent: 1537record: 3-2-1 | new rating: 1520 | ||