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Individual Calculations July 2009 |
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| Barbis, Athanasios Total change: -20.75 | |   |
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| 2nd Triandria Open Spring Tournament | Thessaloniki | GRE | 2009-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 2056 | 4.00 | 6 | -0.50 | 25 | -12.50 | |
|  Palaskos, Ahileas | | | 1764 | GRE | 0.50 | 1 | -0.35 | 25 | -8.75 | |  Hatzigrigoriou, Georgios | | | 1706 | GRE | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Konstantinidis, Mihalis | | | 1972 | GRE | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Konstantinidis, Konstantinos | | | 1938 | GRE | 0.50 | 1 | -0.16 | 25 | -4.00 | | | Giakoustidis, Spiros-Avgerinos | | | 1942 | GRE | 0.50 | 1 | -0.16 | 25 | -4.00 | | | Fotiadis, Kleanthis | | | 1797 | GRE | 1.00 | 1 | 0.18 | 25 | 4.50 | |
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) | | | | Individual Open Championship, Men - Women TESSAS 2009 | Aidypsos | GRE | 2009-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2056 | 1.50 | 3 | -0.33 | 25 | -8.25 | |
| | Hatzigiannis, Spiridon | | | 1896 | GRE | 1.00 | 1 | 0.29 | 25 | 7.25 | | | Efthimiadis, Ilias | | | 2026 | GRE | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Kakkanas, Evangelos | | | 1999 | GRE | 0.00 | 1 | -0.58 | 25 | -14.50 | |
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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