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Individual Calculations November 2017 |
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| Jonasson, Hordur Total change: 25.80 | |   |
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| Meistaramot Hugsins 2017 (sudur) | Reykjavik | ISL | 2017-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1508 | 1.50 | 3 | 0.21 | 20 | 4.20 | |
|  Vigfusson, Vigfus | | | 1908 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Gudmundsson, Thordur | | | 1662 | ISL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Steinthorsson, Birgir Logi | | | 1108 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Icelandic Team Championship 2017-18 - 3rd dvision Round 1-4 | Reykjavik | ISL | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1508 | 1.00 | 1 | 0.39 | 20 | 7.80 | |
| | Gudmundsson, Skarphedinn | | | 1426 | ISL | 1.00 | 1 | 0.39 | 20 | 7.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Icelandic Team Championship 2017-18 4th division Round 1-4 | Reykjavik | ISL | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1508 | 1.00 | 2 | 0.69 | 20 | 13.80 | |
| | Ingibergsson, Valgard | | | 1866 | ISL | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Gislason, Stefan | | | 1735 | ISL | 0.50 | 1 | 0.29 | 20 | 5.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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