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Individual Calculations September 2009 |
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| Diasakos, Spyridon Total change: -8.85 | |   |
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| 12th Greek Indiv. Champioship open U14 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1539 | 1.50 | 6 | 0.06 | 25 | 1.50 | |
|  Michelakos, Panagiotis | | | 1889 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Papakonstantinou, Dimitrios | | | 1805 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Kafetzis, Georgios | | | 1886 | GRE | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Litsas, Panagiotis | | | 1606 | GRE | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Sigkounas, Alkis | | | 1575 | GRE | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Tsironis, Leonidas | | | 1806 | GRE | 0.00 | 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) | | | NOTE: K factor changed | | 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1539 | 0.00 | 6 | -0.69 | 15 | -10.35 | |
| | Gouliaros-Antoniadis, Alexandro | | | 1858 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Sourgkounis, Angelos | | | 1907 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Dermentzis, Konstantinos | | | 1834 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Papakonstantinou, Dimitrios | | | 1831 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Liaskos, Leonidas | | | 1939 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Serntedakis, Athanasios | | | 1939 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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