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Individual Calculations December 2014 |
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| Koryabkin, Valery Total change: -9.80 | |   |
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| 24th World Senior (65+) Chess Championships - Open | Katerini | GRE | 2014-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2072 | 4.50 | 11 | -0.49 | 20 | -9.80 | |
|  Rozewicz, Joseph | | | 1672 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kolbak, Jens | | | 2232 | DEN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Gruzmann, Boris | f | | 2246 | RUS | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Hohler, Peter | f | | 2187 | SUI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Belokopyt, Boris | | | 1943 | RUS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Titz, Heimo | f | | 2158 | AUT | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Peretz, Malkiel | f | | 2240 | ISR | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Wahlbom, Magnus | | | 2283 | SWE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Vogel, Jaap | f | | 2239 | NED | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ben-Zeev, Moshe | | | 1963 | ISR | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Acosta, Mariano | | | 1942 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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) | | |
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