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Individual Calculations September 2011 |
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| Xanthakis, Spyridon Total change: -4.20 | |   |
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| Attica Team Friendship Cup 2011 - A' Group | Attiki | GRE | 2011-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1825 | 3.00 | 4 | 0.16 | 30 | 4.80 | |
|  Kellis, Alexandros | | | 1538 | GRE | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Kafkalas, Nikolaos | | | 1475 | GRE | 1.00 | 1 | 0.11 | 30 | 3.30 | |  Arvanitis, Georgios | | | 1793 | GRE | 0.00 | 1 | -0.54 | 30 | -16.20 | | | Nikolaidou, Eleni | | | 1774 | GRE | 1.00 | 1 | 0.43 | 30 | 12.90 | |
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 | | 11th Open SOP-SMAOK >1900 rating | Pagrati - Athens | GRE | 2011-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 1820 | 0.00 | 3 | -0.60 | 15 | -9.00 | |
| | Koerant, Filipos | | | 2059 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Kalitsis, Nikolaos | | | 2012 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mitrandzas, Athanasios | | | 2117 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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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