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Individual Calculations March 2019 |
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| Viglundsson, Bjorgvin Total change: 67.00 | |   |
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| Reykjavik Chess Congress 2019 | Reykjavik | ISL | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2092 | 6.00 | 8 | 1.76 | 20 | 35.20 | |
|  Bjarnason, Larus H | | | 1692 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Eliasson, Kristjan Orn | | | 1791 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Olafsson, Thorvardur | | | 2199 | ISL | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Ragnarsson, Johann | | | 1984 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Bjornsson, Sigurbjorn | f | | 2296 | ISL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Petursson, Gudni | | | 2045 | ISL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Stefansson, Vignir Vatnar | f | | 2248 | ISL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Ptacnikova, Lenka | | wg | 2187 | ISL | 1.00 | 1 | 0.63 | 20 | 12.60 | | | * 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) | | | | Skakhatid MotX 2019 - a-flokkur | Kopavogur | ISL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2370 | 2092 | 2.50 | 5 | 1.59 | 20 | 31.80 | |
| | Thorfinnsson, Bjorn | m | | 2414 | ISL | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Arngrimsson, Dagur | m | | 2367 | ISL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Ingvason, Johann | | | 2175 | ISL | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Arnason, Jon L | g | | 2432 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Gunnarsson, Jon Viktor | m | | 2462 | ISL | 0.50 | 1 | 0.40 | 20 | 8.00 | |
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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