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Individual Calculations December 2017 |
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| Ingvason, Johann Total change: -11.40 | |   |
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| Reykjavik Northern Lights Open 2017 | Reykjavik | ISL | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2172 | 2.50 | 8 | -0.57 | 20 | -11.40 | |
|  Williams, Simon K | g | | 2437 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Kumar, Nikhil | f | | 2274 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Gislason, Gudmundur | f | | 2318 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Jaksland, Tim | f | | 2168 | DEN | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Heimisson, Hilmir Freyr | c | | 2190 | ISL | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Ptacnikova, Lenka | | wg | 2232 | ISL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Kaufman, Raymond | m | | 2266 | USA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Birkisson, Bardur Orn | c | | 2198 | ISL | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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