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Individual Calculations January 2009 |
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| Karystianos, Petros Total change: -13.50 | |   |
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| 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1550 | 0.50 | 4 | -0.79 | 15 | -11.85 | |
|  Sideris, Theodoros | | | 1900 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Visvardis, Anastasios | | | 1636 | GRE | 0.50 | 1 | 0.12 | 15 | 1.80 | |  Syfantos, Nikolaos | | | 1808 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Karatzanos, Konstantinos | | | 1459 | GRE | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | 91st Ambelokipi Open | Ambelokipi, Athens | GRE | 2008-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1550 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
| | Poteas, Ioannis | | | 1900 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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