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Individual Calculations May 2010 |
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| Poulidis, Stefanos Total change: 22.20 | |   |
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| 2010 Attica Preliminary Team A' Division | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1818 | 4.00 | 5 | 0.21 | 15 | 3.15 | |
|  Zeinos, Solon | | | 1583 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Grigoriadis, Mihail | | | 1712 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Petroulas, Konstantinos | | | 1499 | GRE | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Ladas, Dimitrios | | | 1596 | GRE | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Tsilimigakis, Hristos | | | 1663 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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 Siaperas Memorial Open | Ambelokipi - Athens | GRE | 2010-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1818 | 3.50 | 5 | 1.27 | 15 | 19.05 | |
| | Koutsidi, Amalia | | | 1418 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Tsakalidis, Efstratios | | | 1633 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Markantonaki, Haritomeni | | | 2115 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Tepelenis, Nikolaos | | | 2218 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Sfougatakis, Nikolaos | | | 1934 | GRE | 0.50 | 1 | 0.16 | 15 | 2.40 | | | * 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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