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Individual Calculations July 2009 |
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| Arvanitis, Georgios Total change: 9.60 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1703 | 1.00 | 4 | -0.04 | 15 | -0.60 | |
|  Poteas, Ioannis | | | 2053 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Hatzigiannis, Trifon | | | 1923 | GRE | 1.00 | 1 | 0.78 | 15 | 11.70 | |  Megaloudis, Petros | | | 1822 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Stamatiadis, Georgios | | | 1798 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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 |
| 2053 | 1703 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
| | Theotokatos, Dionisis | | | 2053 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 95th Open Ambelokipon | Ambelokipi - Athens | GRE | 2009-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1736 | 2.50 | 5 | 1.38 | 15 | 20.70 | |
| | Xylogiannopoulos, Antonios | | | 1999 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Kontarinis, Andreas | | | 1939 | GRE | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Sfougatakis, Nikolaos | | | 1974 | GRE | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Dekanozishvili, Tamaz | | | 1842 | GEO | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Papargyriou, Anastasios | | | 2050 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | 96 Ambelokipi Open | Athens | GRE | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1736 | 1.00 | 4 | -0.59 | 15 | -8.85 | |
| | Haralabidis, Tengkiz | | | 2086 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Michailidis, Dimitrios | | | 1950 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Karatzanos, Konstantinos | | | 1430 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Avgoustinatos, Vassilis | | | 1814 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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