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Individual Calculations September 2010 |
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| Alexakis, Georgios Total change: -23.00 | |   |
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| 13th Greek Individual Championships Open U10 - 2010 | Kallithea Halkidiki | GRE | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1582 | 0.50 | 2 | -0.41 | 25 | -10.25 | |
|  Apostolakakis, Konstantinos | | | 1537 | GRE | 0.50 | 1 | -0.06 | 25 | -1.50 | |  Pessiridis, Isaak | | | 1693 | 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) | | | | 19th Open International Chess Tournament of Kavala B Group | Kavala | GRE | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1582 | 0.00 | 3 | -0.51 | 25 | -12.75 | |
| | Gouliaros-Antoniadis, Alexandro | | | 1882 | GRE | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Spirou, Marina | | | 1853 | GRE | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Kousidis, Vergis | | | 1835 | GRE | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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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