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Individual Calculations July 2010 |
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| Karystianos, Petros Total change: 7.65 | |   |
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| 104th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1506 | 3.00 | 5 | 0.92 | 15 | 13.80 | |
|  Zorbas, Nikolaos | | | 1814 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Panfilova, Polina | | | 1260 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Marianidis, Dimitrios | | | 1844 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Koutsidi, Amalia | | | 1268 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Mitsakos, Achilleas | | | 1732 | GRE | 1.00 | 1 | 0.79 | 15 | 11.85 | |
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) | | | | 105th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1506 | 1.00 | 4 | -0.41 | 15 | -6.15 | |
| | Kostopoulos, Vasilios | | | 1906 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Koutsompinas, Georgios | | | 1769 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Efkarpidis, Stylianos | | | 1627 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Koutsidi, Amalia | | | 1255 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | * 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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