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Individual Calculations January 2009 |
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| Efkarpidis, Stylianos Total change: -5.10 | |   |
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| 89th Ambelokipi Open | Athens | GRE | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1661 | 1.00 | 4 | 0.26 | 15 | 3.90 | |
|  Fragkos, Vasilios | | | 1978 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Mbourdakis, Stavros | | | 1953 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Ximitidou, Maria | | | 1772 | GRE | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Papapetropoulos, Periklis | | | 2011 | 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) | | | | 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1660 | 0.00 | 3 | -0.62 | 15 | -9.30 | |
|  Makka, Evanthia | | | 2010 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Chrisostomou, Dimitrios | | | 1857 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Halkis, Apostolos | | | 1843 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 91st Ambelokipi Open | Ambelokipi, Athens | GRE | 2008-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 1660 | 1.00 | 3 | 0.02 | 15 | 0.30 | |
| | Khetsuriani, Besarion | m | | 2010 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ntovas, Dimitrios | | | 1457 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Sfougatakis, Nikolaos | | | 2010 | 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) | | |
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