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Individual Calculations May 2012 |
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| Cummings, David H Total change: -12.90 | |   |
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| Reykjavik Chess Open 2012 | Reykjavik | ISL | 2012-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2341 | 5.00 | 9 | -1.29 | 10 | -12.90 | |
|  Ragnarsson, Dagur | | | 1941 * | ISL | 0.00 | 1 | -0.92 | 10 | -9.20 | |  Antonsson, Atli | | | 1941 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Thorsteinsdottir, Gudlaug | | wf | 2085 | ISL | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Bjornsson, Sverrir Orn | | | 2153 | ISL | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Marzano, Carlo | | | 2164 | ITA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Kveinys, Aloyzas | g | | 2512 | LTU | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Bjarnason, Saevar | m | | 2092 | ISL | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Hunt, Adam C | m | | 2454 | ENG | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Van Heirzeele, Daniel | | | 2161 | BEL | 0.50 | 1 | -0.24 | 10 | -2.40 | | | * 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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