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Individual Calculations May 2010 |
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| Tsironis, Alexandros Total change: -29.00 | |   |
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| Preliminarie A' Category 2010 ESSTH-H | Thessaloniki-Halkidiki | GRE | 2010-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1764 | 0.50 | 3 | -0.78 | 25 | -19.50 | |
|  Lazos, Ioannis | | | 1839 | GRE | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Thrasivoulidis, Orestis | | | 1810 | GRE | 0.50 | 1 | 0.06 | 25 | 1.50 | |  Theoharidis, Georgios | | | 1806 | GRE | 0.00 | 1 | -0.44 | 25 | -11.00 | |
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) | | | | 6th Open Kalamaria Spring Tournament - 2nd Ioakimidia | Thessaloniki | GRE | 2010-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1764 | 2.00 | 3 | 0.22 | 25 | 5.50 | |
| | Ballas, Kleon-Evangelos | | | 1914 | GRE | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Dalipis, Nikolaos | | | 1517 | GRE | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Themelis, Georgios | | | 1639 | GRE | 0.00 | 1 | -0.67 | 25 | -16.75 | |
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) | | | | European Individual School Championships 2010 - Open 17 | Thessaloniki | GRE | 2010-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1764 | 0.00 | 2 | -0.60 | 25 | -15.00 | |
| | Juhasz, Kristof | | | 2164 * | HUN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Kolomvakis, Stelios | | | 1749 | GRE | 0.00 | 1 | -0.52 | 25 | -13.00 | | | * 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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