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Individual Calculations September 2011 |
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| Zambrakos, Efthimios Total change: 22.50 | |   |
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| Attica Team Friendship Cup 2011 - A' Group | Attiki | GRE | 2011-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1915 | 2.50 | 4 | 1.14 | 15 | 17.10 | |
|  Antoniadis, Konstantinos | | | 1866 | GRE | 1.00 | 1 | 0.43 | 15 | 6.45 | |  Papadopoulou, Vera | | wm | 2210 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Poulidis, Stefanos | | | 1908 | GRE | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Delithanasis, Dimitrios | | | 2238 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 9th chess open of Fysiolatris - A' Group | Nikaia - Athens | GRE | 2011-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1910 | 5.00 | 8 | 0.36 | 15 | 5.40 | |
| | Karagiannis, Athanasios | m | | 2310 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Stavaris, Vasileios | | | 1703 | GRE | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Bouboulis, Spyridon-Odysseys | | | 1663 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Panagiotopoulos, Ioannis | | | 1693 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Korlotsidis, Spiridon | | | 2004 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Serefidou, Despina | | | 1705 | GRE | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Diatsintos, Ilias | | | 1657 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Ornithopoulos, Nikolaos | | | 2096 | GRE | 1.00 | 1 | 0.74 | 15 | 11.10 | | | * 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) | | |
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