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Individual Calculations July 2009 |
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| Arvanitakis, Panagiotis Total change: 28.35 | |   |
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| 1st Open below 1800 national rating SOP_SMAOK | Pagrati - Athens | GRE | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1451 | 0.00 | 3 | -0.35 | 15 | -5.25 | |
|  Nikolaidou, Eleni | | | 1801 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fotiadis, Kleanthis | | | 1772 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Hatzigeorgiou, Mihail | | | 1801 | 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) | | | | 95th Open Ambelokipon | Ambelokipi - Athens | GRE | 2009-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1442 | 0.00 | 4 | -0.49 | 15 | -7.35 | |
| | Sarakenidis, Nikolaos | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kiriazis, Dimitrios | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Papafitsoros, Konstantinos | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Maratos, Antonios | | | 1731 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 96 Ambelokipi Open | Athens | GRE | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1442 | 3.50 | 7 | 2.73 | 15 | 40.95 | |
| | Sigouros, Ioannis | | | 1792 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Michailidis, Dimitrios | | | 1792 | GRE | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Koerant, Filipos | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Syfantos, Nikolaos | | | 1792 | GRE | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Papargyriou, Anastasios | | | 1792 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Kiriazis, Dimitrios | | | 1792 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Dekanozishvili, Tamaz | | | 1792 | GEO | 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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