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Individual Calculations April 2009 |
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| Karystianos, Petros Total change: -20.85 | |   |
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| 92o Ambelokipi Open | Amblelokipi - Athens | GRE | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1550 | 0.50 | 3 | -0.26 | 15 | -3.90 | |
|  Zbigniew, Sienczewski | | | 1900 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Michalopoulos, Georgios | | | 1698 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Efkarpidis, Stylianos | | | 1660 | GRE | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | 1o Ambelokipi Christmas Open | Ambelokipi - Athens | GRE | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1550 | 1.50 | 5 | -0.23 | 15 | -3.45 | |
| | Zenelis, Konstantinos | | | 1900 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Hajioannou, Dimos | | | 1519 | GRE | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Karatzanos, Konstantinos | | | 1459 | GRE | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Karountzos, Nikolaos | | | 1900 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Efkarpidis, Stylianos | | | 1660 | GRE | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 93th Ambelokipi Open | Ambelokipi, Athens | GRE | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1536 | 0.00 | 3 | -0.43 | 15 | -6.45 | |
| | Thomassin, Alexandre | | | 1822 | FRA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Fanourgakis, Konstantinos | | | 1864 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kiriazis, Dimitrios | | | 1845 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1536 | 0.50 | 4 | -0.47 | 15 | -7.05 | |
| | Trivizas, Mihail | | | 1886 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Avgoustinatos, Vassilis | | | 1819 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Tsakouridis, Georgios | | | 1518 | GRE | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Barbagiannis, Leonidas | | | 1805 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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