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Individual Calculations November 2009 |
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| Petousis, Konstantinos Total change: -12.90 | |   |
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| 17th Intern. Chess Tourn. "Honour to National Resistance" | Nikaia - Athens | GRE | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1748 | 0.50 | 3 | -0.59 | 15 | -8.85 | |
|  Rousis, Mihail | | | 2075 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Michelakos, Panagiotis | | | 2008 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Bellos, Evangelos | | | 1528 | GRE | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 98th Open Abelokipon | Ambelokipi - Athens | GRE | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1711 | 1.00 | 4 | -0.27 | 15 | -4.05 | |
| | Sigouros, Ioannis | | | 2006 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Sideris, T | | | 2027 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Fragkos, Vasilios | | | 1934 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Tsiros, Fragkiskos Vlasios | | | 1502 | GRE | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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