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Rapid:
Individual Calculations June 2017 |
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| Briem, Stephan Total change: 8.80 | |   |
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| Landsmotid i skolaskak 2017 - older section (round 1-4) | Akureyri | ISL | 2017-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1532 | 2.50 | 4 | 0.44 | 20 | 8.80 | |
|  Kristofersson, Sindri Snaer | | | 1189 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Stefansson, Vignir Vatnar | f | | 1932 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Davidsdottir, Nansy | | | 1590 | ISL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Johannsson, Birkir Isak | | | 1397 | ISL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | * 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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