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Individual Calculations April 2009 |
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| Ragios, Konstantinos Total change: 13.50 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1592 | 0.50 | 1 | 0.00 | 25 | 0.00 | |
|  Katsios-Nerantzis, Konstantinos | | | 1592 | GRE | 0.50 | 1 | 0.00 | 25 | 0.00 | |
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) | | | | Bikou Cup 2008 2nd Division | Attica | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1592 | 0.00 | 1 | -0.15 | 25 | -3.75 | |
| | Koutrakis, Stamatios | | | 1883 | GRE | 0.00 | 1 | -0.15 | 25 | -3.75 | |
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 |
| 1795 | 1592 | 1.00 | 4 | 0.02 | 25 | 0.50 | |
| | Aznaouridis, Sokratis-Panagioti | | | 1893 | GRE | 0.50 | 1 | 0.35 | 25 | 8.75 | |  Stefanis, Alexandros | | | 1765 | GRE | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Iliopoulos, Alexandros | | | 1733 | GRE | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Tassis, Ioannis | | | 1787 | 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 teams Ch A' local div. - Group 2 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1581 | 1.00 | 1 | 0.67 | 25 | 16.75 | |
| | Hatzoudis, Gerasimos | | | 1710 | GRE | 1.00 | 1 | 0.67 | 25 | 16.75 | |
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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