Viggosson, Gudmundur Jon
Current rating: 1496
Record: 3-3-1 (GP) / 5-6-1 (professional)
| 2001 European Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Summersberger, Helmut (1659) | Draw 1-1 | +31503 |
| 2standard | 72 | Hugi, Niklaus (1708) | Won 2-0 | +211524 |
| 3standard | 34 | Delere, Andre (1697) | Won 2-1 | +211545 |
| 4standard | 17 | Roussel, Johann (1567) | Lost 1-2 | -171528 |
| 5standard | 41 | Skrbec, Ziga (1340) | Won 2-0 | +141542 |
| 6standard | 26 | Tschirch, Marc (1646) | Lost 0-2 | -161526 |
| 7standard | 45 | Wills, Scott (1654) | Won 2-1 | +211547 |
| 8rochester | 107 | Koskimaki, Antti (1563) | Won 2-1 | +181565 |
| 9rochester | 15 | Jocumsen, Bjorn (1682) | Lost 0-2 | -161549 |
| 10rochester | 107 | Ongena, Frederick (1534) | Lost 0-2 | -181531 |
| 11rochester | 53 | Garcia, Carmelo (1549) | Lost 0-2 | -181513 |
| 12rochester | 22 | Tomse, Jakob (1555) | Lost 0-2 | -171496 |
| average opponent: 1596record: 5-6-1 | new rating: 1496 | |||
| Grand Prix Manchester 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Smith, Cormac (1500) | Lost 0-2 | -181482 |
| 2sealed | 88 | Lewis, David [ENG] (1482) | Won 2-1 | +181500 |
| 3sealed | 81 | Gruss, Andreas (1518) | Won 2-1 | +181518 |
| 4sealed | 49 | Chean, Cheah Bing (1518) | Lost 1-2 | -181500 |
| 5sealed | 71 | Vollebregt, Joost (1495) | Lost 1-2 | -181482 |
| 6sealed | 82 | Areliusarson, Arelius (1413) | Draw 0-0 | -11481 |
| 7sealed | 78 | Lynn, Jamie (1517) | Won 2-0 | +191500 |
| average opponent: 1492record: 3-3-1 | new rating: 1500 | |||