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Individual Calculations January 2009 |
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| Megaloudis, Petros Total change: -18.30 | |   |
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| 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1840 | 1.00 | 3 | -0.79 | 15 | -11.85 | |
|  Xaxiris, E | | | 1973 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Mpousios, Georgios | | | 1557 | GRE | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Karlis, Nikolaos | | | 1743 | GRE | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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 |
| 1835 | 1840 | 2.00 | 5 | -0.43 | 15 | -6.45 | |
|  Kosmas-Lekkas, Dimitiros | | | 2094 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Ntovas, Dimitrios | | | 1490 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Mavrokordopoulos, Sotirios | | | 2043 | GRE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Arvanitakis, Panagiotis | | | 1490 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Papapetropoulos, Periklis | | | 2058 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | |
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