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Individual Calculations April 2009 |
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| Tziotis, Sidoros Total change: -7.75 | |   |
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| Bikou Cup 2008 2nd Division | Attica | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 2016 | 1.00 | 1 | 0.17 | 25 | 4.25 | |
|  Arvanitis, Haralambos | | | 1744 | GRE | 1.00 | 1 | 0.17 | 25 | 4.25 | |
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) | | | | 2009 Attica Ch B' local div | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2016 | 0.00 | 1 | -0.48 | 25 | -12.00 | |
| | Ponirakis, Dimitrios | | | 2030 | GRE | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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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