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Individual Calculations September 2010 |
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| Hatzigrigoriou, Georgios Total change: 17.85 | |   |
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| 19th Greek Individual Championships Open U12 - 2010 | Kallithea Halkidiki | GRE | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1584 | 2.00 | 4 | 0.44 | 15 | 6.60 | |
|  Kalogeris, Ioannis | | | 1860 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Nikolaou, Spiridon | | | 1600 | GRE | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Korniotis, Filippos | | | 1570 | GRE | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Papadopoulos, Argirios | | | 1664 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 3rd International Chess Tournament of Paleohora | Paleohora, Chania | GRE | 2010-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1584 | 1.50 | 6 | 0.75 | 15 | 11.25 | |
| | Dembo, Yelena | m | wg | 1984 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kakkanas, Evangelos | | | 1979 | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Solidakis, Nektarios | | | 1965 | GRE | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Koutoukidis, Panagiotis | | | 1920 | GRE | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Quinn, Joseph R | | | 1806 | ENG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Balomenakis, Haralambos | | | 1874 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | * 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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