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Rapid:
Individual Calculations December 2017 |
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| Viglundsson, Jon Total change: -28.40 | |   |
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| Islandsmot eldri skakmanna 65 plus 2017 | Reykjavik | ISL | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1684 | 1.00 | 5 | -1.42 | 20 | -28.40 | |
|  Viglundsson, Bjorgvin | | | 2084 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Einarsson, Einar S | | | 1422 | ISL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Petursson, Magnus V. | | | 1568 | ISL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Kristjansson, Sigurdur | | | 1840 | ISL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Jonsson, Sveinbjorn | | | 1637 | ISL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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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