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Individual Calculations July 2009 |
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| Lakafosis, Ioannis Total change: -29.70 | |   |
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| 2009 Attica teams Ch C div. - stage 1 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1930 | 1.00 | 3 | -0.67 | 15 | -10.05 | |
|  Koutsibos, Konstantinos | | | 1848 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Ntatsis, Georgios | | | 1962 | GRE | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Paouris, Nikolaos | | | 1855 | GRE | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | 2009 Attica teams Ch C div. stage 2 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 1930 | 0.00 | 2 | -0.36 | 15 | -5.40 | |
| | Tepelenis, Nikolaos | | | 2189 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Kostopoulos, Evangellos | | | 2190 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1930 | 2.50 | 6 | -1.32 | 15 | -19.80 | |
| | Karatzanos, Konstantinos | | | 1580 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Skalkotas, Nikolaos | m | | 2265 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Patrinos, Ilias | | | 1751 | GRE | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Poulopoulos, Ioannis | | | 1757 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Thomassin, Alexandre | | | 1822 | FRA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Mitsakos, Achilleas | | | 1784 | GRE | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | | | Attica Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1930 | 1.00 | 1 | 0.37 | 15 | 5.55 | |
| | Zahariou, Nikolaus | | | 1838 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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