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Individual Calculations January 2010 |
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| Megaloudis, Petros Total change: -25.50 | |   |
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| 99th Open Abelokipon | Ambelokipi - Athens | GRE | 2009-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1768 | 0.50 | 4 | -1.73 | 15 | -25.95 | |
|  Nikomanis, Andreas | | | 1922 | GRE | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Nemtsas, Hristoforos | | | 1898 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Hristodoulou, Dimitrios | | | 1575 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Ntovas, Dimitrios | | | 1451 | GRE | 0.00 | 1 | -0.87 | 15 | -13.05 | |
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) | | | | 100th Ambelokipi Open | Ambelokipi - Athens | GRE | 2009-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1765 | 2.00 | 4 | 0.03 | 15 | 0.45 | |
| | Koerant, Filipos | | | 2032 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Zaharopoulos, Dionisios | | | 1564 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Laspas, Panagiotis | | | 1596 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Koutoukidis, Panagiotis | | | 1905 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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