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Individual Calculations December 2017 |
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| Thorfinnsson, Bjorn Total change: 4.80 | |   |
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| Reykjavik Northern Lights Open 2017 | Reykjavik | ISL | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2383 | 2395 | 5.00 | 9 | 0.48 | 10 | 4.80 | |
|  Birkisson, Bjorn Holm | | | 2002 | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Xu, Yi | m | | 2465 | CHN | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Kaufman, Raymond | m | | 2266 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Kveinys, Aloyzas | g | | 2545 | LTU | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Stefansson, Hannes | g | | 2514 | ISL | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Xu, Yinglun | g | | 2518 | CHN | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Williams, Simon K | g | | 2437 | ENG | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Hansen, Torbjorn Ringdal | g | | 2406 | NOR | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Stefansson, Vignir Vatnar | f | | 2294 | ISL | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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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