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Individual Calculations March 2019 |
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| Ingvason, Johann Total change: 31.60 | |   |
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| Reykjavik Chess Congress 2019 | Reykjavik | ISL | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2175 | 5.50 | 9 | -0.07 | 20 | -1.40 | |
|  Gudmundsson, Thordur | | | 1775 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Finnsson, Johann Arnar | | | 1775 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jonsson, Gauti Pall | | | 2070 | ISL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Kjartansson, Gudmundur | m | | 2424 | ISL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Stefansson, Vignir Vatnar | f | | 2248 | ISL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Olafsson, Thorvardur | | | 2199 | ISL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Haraldsson, Haraldur | | | 1969 | ISL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Fridjonsson, Julius | | | 2159 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Ragnarsson, Johann | | | 1984 | ISL | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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 |
| 2305 | 2175 | 4.00 | 7 | 1.65 | 20 | 33.00 | |
| | Thorhallsson, Throstur | g | | 2425 | ISL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Ragnarsson, Dagur | f | | 2327 | ISL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Viglundsson, Bjorgvin | | | 2092 | ISL | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Arnason, Jon L | g | | 2432 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Thorfinnsson, Bjorn | m | | 2414 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Bergsson, Stefan | | | 2172 | ISL | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Einarsson, Halldor Gretar | f | | 2272 | ISL | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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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