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Individual Calculations October 2021 |
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| Petursson, Gudni Total change: -10.00 | |   |
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| European Individual Chess Championship - Reykjavik Open 2021 | Reykjavik | ISL | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 1988 | 4.00 | 11 | -0.62 | 20 | -12.40 | |
|  Basso, Pier Luigi | g | | 2388 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Sousa, Andre Ventura | m | | 2388 * | POR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gade, Jens | | | 1588 * | DEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vedder, Richard | f | | 2266 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Ragnarsson, Heimir Pall | | | 1619 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Milikow, Yoav | f | | 2287 | ISR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Kjartansson, Matthias Bjorgvin | | | 1588 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lorscheid, Gerhard | f | | 2202 | GER | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Maggason, Oskar | | | 1783 | ISL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Wecker, Martin | | | 2195 | GER | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Koellner, Aaron Noah | | | 2248 | GER | 0.00 | 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) | | | | 36th European Chess Club Cup 2021 | Struga | MKD | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2016 | 2.50 | 6 | 0.12 | 20 | 2.40 | |
| | Alonso Rosell, Alvar | g | | 2416 * | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Darnell, Anton | | | 2006 | SWE | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Sparwel, Oliver | | | 2013 | LUX | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Miftari, Hedon | | | 2002 | MKD | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Jakobsen, Peter | f | | 2202 | DEN | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Blake, J Morgan | | | 2006 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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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