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Individual Calculations July 2009 |
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| Grigoriadis, Alexandros Total change: -24.60 | |   |
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| 2o open asopdias 2009 | Petroupoli - Athens | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2372 | 5.00 | 7 | -0.69 | 10 | -6.90 | |
|  Nteves, Stamatios | | | 2022 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Apostolidis, Ioannis | | | 2022 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kagas, Konstantinos | | | 2137 | GRE | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Dounis, Alexandros | | | 2158 | GRE | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Tolis, Evangelos | | | 2038 | GRE | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Kostouros, Alexandros | | | 2198 | GRE | 0.00 | 1 | -0.73 | 10 | -7.30 | | | Panagiotopoulos, Alexandros | | | 2185 | GRE | 0.50 | 1 | -0.24 | 10 | -2.40 | |
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) | | | | Attica Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2372 | 2.50 | 4 | -0.23 | 10 | -2.30 | |
| | Zannias, Spyridon | | | 2022 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Panagiotopoulos, Alexandros | | | 2185 | GRE | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Nanopoulos, Stavros | | | 2229 | GRE | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Kapnisis, Spyridon | m | | 2440 | GRE | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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) | | | | Easter Tournament 2009 PS Peristeriou | Peristeri - Athens | GRE | 2009-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2363 | 4.00 | 7 | -1.54 | 10 | -15.40 | |
| | Sidiropoulos, Leonidas | | | 2013 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Stathopoulos, Ioannis | | | 2013 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Bozinakis, Pavlos | | | 2117 | GRE | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Koerant, Filipos | | | 2073 | GRE | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Gogolis, Alexandros | f | | 2267 | GRE | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Ignatiadis, Konstantinos | | | 2216 | GRE | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Sienczewski, Zbigniew | | | 2138 | POL | 0.00 | 1 | -0.78 | 10 | -7.80 | |
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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