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Individual Calculations July 2009 |
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| Karystianos, Petros Total change: -16.50 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1536 | 1.00 | 4 | 0.47 | 15 | 7.05 | |
|  Michailidis, Dimitrios | | | 1886 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Marianidis, Dimitrios | | | 1837 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | |  Sarakenidis, Nikolaos | | | 1886 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Thomassin, Alexandre | | | 1822 | FRA | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 95th Open Ambelokipon | Ambelokipi - Athens | GRE | 2009-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1515 | 0.50 | 5 | -1.03 | 15 | -15.45 | |
| | Koutoukidis, Panagiotis | | | 1865 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Marianidis, Dimitrios | | | 1842 | GRE | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Sarantakos, Sotirios | | | 1768 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Zaharopoulos, Dionisios | | | 1531 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Karatzanos, Konstantinos | | | 1430 | GRE | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | 96 Ambelokipi Open | Athens | GRE | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1515 | 0.00 | 4 | -0.54 | 15 | -8.10 | |
| | Mbaskas, Evangelos | | | 1865 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Dekanozishvili, Tamaz | | | 1842 | GEO | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Michailidis, Dimitrios | | | 1865 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mitsakos, Achilleas | | | 1762 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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