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Individual Calculations April 2009 |
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| Tassis, Ioannis Total change: -38.50 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1787 | 0.50 | 1 | -0.04 | 25 | -1.00 | |
|  Poulopoulos, Ioannis | | | 1757 | GRE | 0.50 | 1 | -0.04 | 25 | -1.00 | |
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) | | | | 2009 Indiv. Youth Champ. of Attica - Boys U 16 | Nikea - Athens | GRE | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1787 | 0.50 | 1 | -0.25 | 25 | -6.25 | |
| | Ragios, Konstantinos | | | 1592 | GRE | 0.50 | 1 | -0.25 | 25 | -6.25 | |
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) | | | | 2009 Attica team ch prelim. A div. | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1766 | 1.00 | 4 | -1.25 | 25 | -31.25 | |
|  Tsokopoulos, Dedalos | | | 1927 | GRE | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Mihopoulos, Konstantinos | | | 1913 | GRE | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Barbounis, Ioannis | | | 1474 | GRE | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Sotiriadou, Ioanna | | | 1518 | GRE | 0.00 | 1 | -0.81 | 25 | -20.25 | |
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) | | |
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