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Individual Calculations December 2017 |
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| Ptacnikova, Lenka Total change: -13.60 | |   |
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| Reykjavik Northern Lights Open 2017 | Reykjavik | ISL | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2232 | 3.00 | 8 | -0.68 | 20 | -13.60 | |
|  Xu, Yi | m | | 2465 | CHN | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Birkisson, Bjorn Holm | | | 2002 | ISL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Birkisson, Bardur Orn | c | | 2198 | ISL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Jensson, Einar Hjalti | m | | 2372 | ISL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Thorfinnsson, Bragi | m | | 2443 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Ingvason, Johann | | | 2172 | ISL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Heimisson, Hilmir Freyr | c | | 2190 | ISL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Kaufman, Raymond | m | | 2266 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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