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Individual Calculations July 2009 |
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| Serefidou, Despina Total change: 3.75 | |   |
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| SPRING INDIVID. CHAMPIONSHIP GROUP >2000 | KAVALA | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1609 | 1.00 | 3 | -0.64 | 15 | -9.60 | |
|  Hatzihrisafis, Dimos | | | 1561 | GRE | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Tsakiris, Haralambos | | | 1714 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Kelidou, Maria | | | 1448 | GRE | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | Greek Indiv. Champ. Girls U12-14-16 | Kavala | GRE | 2009-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1634 | 0.50 | 2 | -0.22 | 15 | -3.30 | |
| | Vatkali, Dimitra | | | 1858 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Kipraki, Nikoleta | | | 1637 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | | | WORLD AMATEUR CHAMPIONSHIP 2009 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1634 | 2.50 | 5 | 1.11 | 15 | 16.65 | |
| | Hrisomalis, Theodoros | | | 1982 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Kapogiannatos, Hristoforos | | | 1901 | GRE | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Lakakis, Ioannis | | | 1876 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | S Bhat, Vaibhav | | | 1784 | IND | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Glyptis, Georgios | | | 1562 | GRE | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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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