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Individual Calculations May 2019 |
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| Halldorsson, Bragi Total change: 4.00 | |   |
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| GAMMA Reykjavik Open 2019 | Reykjavik | ISL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2112 | 4.00 | 6 | 0.07 | 20 | 1.40 | |
|  Astaneh Lopez, Alex | m | | 2427 | IRL | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Jonsson, Olafur Gisli | | | 1773 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Stefansson, Vignir Vatnar | f | | 2293 | ISL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Tinguely, Frederic | | | 1729 | SUI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Stuart, Brian | | | 1712 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Finnbogadottir, Tinna Kristin | | | 1849 | ISL | 1.00 | 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) | | | | 2019 World Senior Team Chess Championships open 65plus | Rhodes | GRE | 2019-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2112 | 4.00 | 7 | 0.13 | 20 | 2.60 | |
| | Murray, Jim G. | | | 1845 | IRL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Johnsen, Oystein | | | 1986 | NOR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Strobel, Ferdinand | f | | 1974 | AUT | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Hedin, Gunnar | | | 2195 | SWE | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Kivimaki, Jaakko | | | 2165 | FIN | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Stebbings, Anthony J | f | | 2281 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Hvenekilde, Jorgen | f | | 2046 | DEN | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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