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Individual Calculations September 2009 |
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| Batzolis, Georgios Total change: 1.95 | |   |
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| 18th Greek Indiv. Championship open U12 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1612 | 1.50 | 4 | -0.12 | 15 | -1.80 | |
|  Stathopoulos, Ioannis | | | 1868 | GRE | 0.50 | 1 | 0.31 | 15 | 4.65 | |  Naoum, Spyridon | | | 1787 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Magklaras, Themistoklis-Panayio | | | 1533 | GRE | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Panagos, Theodoros | | | 1575 | GRE | 0.50 | 1 | -0.05 | 15 | -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) | | | | 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1616 | 1.50 | 3 | 0.25 | 15 | 3.75 | |
| | Hatzigrigoriou, Georgios | | | 1538 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Kalogeris, Ioannis | | | 1843 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Gkougkousis, Nikolaos | | | 1666 | GRE | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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