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Individual Calculations April 2009 |
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| Psychogios, Antonios Total change: -1.25 | |   |
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| 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 1867 | 0.50 | 4 | -0.05 | 25 | -1.25 | |
|  Jevtic, Sasa | | | 2217 | SRB | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Andonovski, Ljubisa | f | | 2217 | MKD | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Balinov, Feri | | | 2147 | BUL | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Nesic, Nebojsa | | | 2140 | SRB | 0.50 | 1 | 0.33 | 25 | 8.25 | |
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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