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Individual Calculations November 2011 |
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| Petsas, Spyridon Total change: -3.75 | |   |
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| 19th inter. open Nikaia - Honor to National Resistance - B' Group | Nikaia - Athens | GRE | 2011-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1765 | 2.50 | 3 | -0.25 | 15 | -3.75 | |
|  Andromedas, Georgios | | | 1367 | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Tsichlis, Christos-Nektarios | | | 1375 | GRE | 0.50 | 1 | -0.41 | 15 | -6.15 | | | Tsivgouli, Ekaterini | | | 1369 | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | |
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) | | |
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