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Individual Calculations April 2009 |
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| Zivas, Konstantinos Total change: 66.65 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1730 | 2.00 | 4 | 1.05 | 25 | 26.25 | |
|  Doudaniotis, Dimitrios | | | 1942 | GRE | 1.00 | 1 | 0.77 | 25 | 19.25 | |  Stefanidi, Maria-Anna | | | 2080 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Dounis, Nikolaos | | | 1796 | GRE | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Hristodoulou, Georgios | | | 1968 | GRE | 1.00 | 1 | 0.80 | 25 | 20.00 | |
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 14 | Nikea - Athens | GRE | 2008-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1730 | 3.00 | 4 | 1.37 | 25 | 34.25 | |
| | Psaromiligkos, Konstantinos | | | 1631 | GRE | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Fotiadis, Ioannis | | | 1784 | GRE | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Kostas, Alexandros | | | 1809 | GRE | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Michelakos, Panagiotis | | | 1997 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | | NOTE: K factor changed | | 2009 Attica teams Ch. B div. stage 1 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1754 | 2.00 | 4 | 0.62 | 15 | 9.30 | |
| | Kazaglis, Dimitrios-Stefanos | | | 1829 | GRE | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Aznaouridis, Sokratis | | | 1900 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Kostas, Alexandros | | | 1819 | GRE | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Tzouvelekis, Ioannis | | | 1929 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | NOTE: K factor changed | | 2009 Attica teams Ch. B div. stage 2 - Group 2 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1754 | 0.00 | 1 | -0.21 | 15 | -3.15 | |
| | Hatzistavris, Georgios | | | 1981 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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