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Individual Calculations September 2009 |
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| Marianidis, Dimitrios Total change: 1.95 | |   |
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| 2nd Open below 1800 national rating | Pagrati - Athens | GRE | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1842 | 1.00 | 3 | -0.64 | 15 | -9.60 | |
|  Antoniadis, Konstantinos | | | 1823 | GRE | 0.00 | 1 | -0.53 | 15 | -7.95 | |  Hristodoulou, Georgios | | | 1969 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Harokopos, Hristos | | | 1619 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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) | | | | 1st Spring Open SOP - SMAOK | Pagrati - Athens | GRE | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1842 | 3.00 | 6 | 1.34 | 15 | 20.10 | |
| | Papahristoudis, Anastasios | | | 2065 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Tsimboukidis, Anastasios | | | 1981 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Vlahos, Ellisseos | | | 2005 | GRE | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Raptakis, Solon | | | 2027 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Koerant, Filipos | | | 2073 | GRE | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Nakas, Spyridon | | | 1930 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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) | | | | 4th International Open Chess Tourn. "Summer Cup 2009" | N.Marmaras, Halkidiki | GRE | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1850 | 1.00 | 4 | -0.84 | 15 | -12.60 | |
| | Nikolaidis, Konstantinos | f | | 2250 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Karlovich, Anastazia | | wg | 2211 | UKR | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Ioannidis, Evgenios | | | 1508 | GRE | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Valyi, Adel | | | 1633 | HUN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1850 | 4.00 | 7 | 0.27 | 15 | 4.05 | |
| | Aznaouridis, Sokratis | | | 1916 | GRE | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Karagiannis, Thomas Aristotelis | | | 1568 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kafetzi, Angeliki | | | 1644 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Karaoulanis, Dimitrios | | | 1898 | GRE | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Megalios, Konstantinos | | | 1722 | GRE | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Potthoff, Phillip | | | 1968 | GER | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Papahristou, Nikolaos | | | 2016 | GRE | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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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