Individual Calculations July 2009 |
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Valden, Petros Total change: -3.90 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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2009 Attica teams Ch C div. stage 1 - Group 2 | Attica | GRE | 2009-01-18 |
Rc | Ro | w | n | change | K | K*chg | Game |
2000 | 2201 | 0.50 | 1 | -0.26 | 15 | -3.90 | |
| Skourtis, Efstratios | | | 2000 | GRE | 0.50 | 1 | -0.26 | 15 | -3.90 | | 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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