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Rapid:
Individual Calculations December 2013 |
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| Birkisson, Bardur Orn Total change: -25.80 | |   |
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| Icelandic Chess Junior Championship (U15) | Akureyri | ISL | 2013-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1491 | 0.50 | 4 | -1.06 | 20 | -21.20 | |
|  Thorhallsson, Simon | | | 1623 | ISL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Palsdottir, Soley Lind | | | 1411 | ISL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Jonsson, Gauti Pall | | | 1589 | ISL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Stefansson, Vignir Vatnar | | | 1678 | ISL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Reykjavik Rapid Chess Championship | Reykjavik | ISL | 2013-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1491 | 2.00 | 5 | 1.01 | 20 | 20.20 | |
|  Johannesson, Oliver | | | 1891 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Baldvinsson, Loftur | | | 1891 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jonasson, Hordur | | | 1555 | ISL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Thoroddsen, Arni | | | 1611 | ISL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Gislason, Gudmundur | f | | 1891 * | ISL | 0.00 | 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) | | | | Islandsmot Unglingasveita 2013 | Gardabaer | ISL | 2013-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1542 | 1491 | 0.50 | 4 | -1.24 | 20 | -24.80 | |
| | Jonsson, Gauti Pall | | | 1589 | ISL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Davidsson, Oskar Vikingur | | | 1389 | ISL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Heimisson, Hilmir Freyr | | | 1674 | ISL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Davidsdottir, Nansy | | | 1514 | ISL | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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