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Individual Calculations July 2009 |
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| Malamatas, Konstantinos Total change: -22.95 | |   |
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| 2009 Attica mixed Youth Teams Champ. Boys & Girls U16 | Attica | GRE | 2009-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1971 | 2.50 | 4 | 0.07 | 15 | 1.05 | |
|  Pappelis, Dimitrios | | | 1994 | GRE | 0.50 | 1 | 0.03 | 15 | 0.45 | |  Ragios, Konstantinos | | | 1621 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kaforos, Dimitrios-Alkis | | | 2191 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Stamoulis, Ilias | | | 1674 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | 5th World School Chess Championship - Open U15 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1972 | 1.00 | 5 | -1.60 | 15 | -24.00 | |
| | Han, Chao | | | 2216 | CHN | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Makhmutov, Rail | | | 1906 | RUS | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Tsironis, Panteleimon | | | 1622 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Talipov, Nafis | | | 2051 | RUS | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ou, Bonan | | | 1947 | CHN | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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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