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Individual Calculations January 2009 |
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| Ballas, Athanasios-Panagiotis Total change: 27.25 | |   |
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| 2o Open Ioakimidis Chess Tournament | Thessaloniki | GRE | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1488 | 2.00 | 4 | 1.30 | 25 | 32.50 | |
|  Stavrakakis, Vasilios | | | 1838 | GRE | 1.00 | 1 | 0.89 | 25 | 22.25 | |  Papakonstantinou, Dimitrios | | | 1759 | GRE | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Papadopoulos, Panayotis | | | 1838 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Drakaki, Anna-Maria | | | 1626 | GRE | 1.00 | 1 | 0.69 | 25 | 17.25 | |
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) | | | | 3rd "IN MEMORIAL" Thessaloniki tournament 2008 | Thessaloniki | GRE | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1488 | 1.00 | 2 | 0.25 | 25 | 6.25 | |
| | Mitrou, Andreas | | | 1652 | GRE | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Amiridou, Dimitra | | | 1507 | GRE | 0.50 | 1 | 0.03 | 25 | 0.75 | |
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) | | | | 12o BOYS INDIV. CHAMPIONSHIP U 18, ESSTHX | THESSALONIKI | GRE | 2008-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1488 | 0.00 | 2 | -0.46 | 25 | -11.50 | |
| | Papadopoulos, Panagiotis | | | 1838 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Batzolis, Georgios | | | 1595 | GRE | 0.00 | 1 | -0.35 | 25 | -8.75 | |
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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