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Individual Calculations February 2013 |
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| Spyropoulos, Nikolaos Total change: 2.10 | |   |
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| 1st Christmas Open 2012 - Skakistiki Epikoinonia - A' Group | Athens | GRE | 2012-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1317 | 0.50 | 4 | -0.35 | 15 | -5.25 | |
|  Kostouros, Alexandros | | | 1717 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Dionisopoulos, Zaharias | | | 1717 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Panagiotakos, Petros | | | 1717 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Boulamatsis, Konstantinos | | | 1239 | GRE | 0.50 | 1 | -0.11 | 15 | -1.65 | | | * 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) | | | | 2nd Christmas tournament of Nikaia - B' Group | Athens - Nikaia | GRE | 2013-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1350 | 2.00 | 4 | 0.49 | 15 | 7.35 | |
| | Papakostas, Vasilis | | | 1535 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ioannidis, Georgios Alexandros | | | 1548 | GRE | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Bastianou, Chrysoula | | | 1227 | GRE | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Maxilaris, Aggelos | | | 1466 | GRE | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | |
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