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Individual Calculations September 2010 |
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| Ballas, Athanasios-Panagiotis Total change: 22.80 | |   |
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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 |
| 1671 | 1667 | 4.50 | 7 | 1.01 | 15 | 15.15 | |
|  Drakopoulos, Polihronis | | | 1558 | GRE | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Bakirtzis, Triantafilos | | | 1634 | GRE | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Papadopoulos, Argirios | | | 1664 | GRE | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Grigoriadis, Mihail | | | 1661 | GRE | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Korniotis, Filippos | | | 1570 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Papadopoulos, Georgios | | | 1906 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Keliris, Andreas | | | 1702 | GRE | 1.00 | 1 | 0.55 | 15 | 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) | | | | 19th Open International Chess Tournament of Kavala B Group | Kavala | GRE | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 1667 | 3.00 | 7 | 0.51 | 15 | 7.65 | |
| | Spirou, Marina | | | 1853 | GRE | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Ballas, Kleon-Evangelos | | | 1922 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Georgiadis, Georgios | | | 1765 | GRE | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Antoniadou, Paraskevi | | | 1728 | GRE | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Papaikonomou, Dimitris | | | 1744 | GRE | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Koroglou, Viktor | | | 1913 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Diasakos, Spyridon | | | 1541 | GRE | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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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