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Individual Calculations January 2009 |
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| Kiriazis, Dimitrios Total change: -28.20 | |   |
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| 89th Ambelokipi Open | Athens | GRE | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1853 | 1.00 | 4 | -0.65 | 15 | -9.75 | |
|  Ponirakis, Dimitrios | | | 2055 | GRE | 0.50 | 1 | 0.26 | 15 | 3.90 | |  Vazelakis, Dimitrios | | | 2089 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Paganoglou, Anastasia | | | 1982 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Stathakis, Nikolaos | | | 1515 | GRE | 0.50 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1873 | 1.50 | 4 | -0.99 | 15 | -14.85 | |
| | Valden, Petros | | | 2201 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Paizis, Konstantinos | | | 1682 | GRE | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Shamash, Michelle | | | 1703 | GRE | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Hajioannou, Dimos | | | 1523 | GRE | 1.00 | 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) | | | | 91st Ambelokipi Open | Ambelokipi, Athens | GRE | 2008-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1873 | 2.00 | 4 | -0.24 | 15 | -3.60 | |
| | Arvanitakis, Panagiotis | | | 1523 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kosmas-Lekkas, Dimitiros | | | 2094 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Stathakis, Nikolaos | | | 1523 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Koerant, Filipos | | | 2072 | GRE | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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