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Individual Calculations December 2018 |
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| Petursson, Gudni Total change: 2.80 | |   |
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| Icelandic Team Chess Championship 2018-19 1st division Round 1-5 | Reykjavik | ISL | 2018-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2042 | 1.50 | 3 | 0.48 | 20 | 9.60 | |
|  Bjorgvinsson, Andri Freyr | | | 2069 | ISL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Jacobsen, Mikkel Manosri | f | | 2313 | DEN | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Dadason, Gudmundur | | | 2123 | ISL | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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 Chess Championship 2018-19 3rd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 2042 | 1.50 | 2 | -0.34 | 20 | -6.80 | |
| | Fridthofsson, Sigurjon Thor | | | 1642 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Asmundsson, Sigurbjorn | | | 1642 * | 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) | | |
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