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Individual Calculations April 2009 |
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| Arvanitakis, Panagiotis Total change: -9.30 | |   |
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| 93th Ambelokipi Open | Ambelokipi, Athens | GRE | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1451 | 0.00 | 3 | -0.33 | 15 | -4.95 | |
|  Girvalakis, Spyridon | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Stamatakos, Dimitrios | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Thomassin, Alexandre | | | 1801 | FRA | 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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1451 | 1.00 | 6 | -0.29 | 15 | -4.35 | |
| | Sarakenidis, Nikolaos | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Panagiotakos, Petros | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Efkarpidis, Stylianos | | | 1655 | GRE | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Tsakouridis, Georgios | | | 1518 | GRE | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Fragkos, Vasilios | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nteoudis, Konstantinos | | | 1589 | 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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