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Individual Calculations September 2009 |
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| Tsounis, Serafim Total change: -68.30 | |   |
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| 27th Greek Team Cup 2009 - Tie Breaks and Final Four | Clubs - Kallithea Halkidiki | GRE | 2009-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1823 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
|  Delithanasis, Dimitrios | | | 2173 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 27th Greek Indiv. Championship open U16 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1823 | 3.00 | 8 | -2.00 | 25 | -50.00 | |
| | Liaskos, Leonidas | | | 1998 | GRE | 0.00 | 1 | -0.27 | 25 | -6.75 | |  Mitridis, Dimitris | | | 1584 | GRE | 0.50 | 1 | -0.30 | 25 | -7.50 | | | Kosmidis, Giannis | | | 1550 | GRE | 0.50 | 1 | -0.33 | 25 | -8.25 | | | Tassis, Ioannis | | | 1728 | GRE | 0.00 | 1 | -0.63 | 25 | -15.75 | | | Iliopoulos, Alexandros | | | 1769 | GRE | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Linos, Efstathios | | | 1667 | GRE | 0.50 | 1 | -0.21 | 25 | -5.25 | | | Diktapanidis, Efstathios | | | 1738 | GRE | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Adamos, Thomas | | | 1783 | GRE | 0.00 | 1 | -0.56 | 25 | -14.00 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1823 | 2.00 | 6 | -0.64 | 25 | -16.00 | |
| | Klip, Hans | f | | 2223 * | NED | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Hairopoulos, Stefanos | | | 1632 | GRE | 0.50 | 1 | -0.25 | 25 | -6.25 | | | Goumas, Ioannis | | | 2223 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Kourouklis, Efthymios-Nektarios | | | 1556 | GRE | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Lagopatis, Nikolaos | | | 2223 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Doulidis, Pavlos-Georgios | | | 1554 | GRE | 0.50 | 1 | -0.33 | 25 | -8.25 | | | * 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) | | | NOTE: K factor changed | | Intern. Amateur Chess Tournament "Acropolis U.2200 2009" | Halkida | GRE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1823 | 2.00 | 5 | 0.03 | 15 | 0.45 | |
| | Malikentzou, Nafsika | | | 1568 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Papadimitriou, Loukas | | | 2187 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Litsas, Ioannis | | | 2183 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Koerant, Filipos | | | 2087 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Mitridis, Dimitris | | | 1600 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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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