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Individual Calculations September 2011 |
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| Koukoufikis, Ioannis Total change: -6.15 | |   |
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| Attica Team Friendship Cup 2011 - A' Group | Attiki | GRE | 2011-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1747 | 0.50 | 5 | -1.23 | 15 | -18.45 | |
|  Simeonidis, Haralambos | | | 1868 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Giannoulis, Dionisios | | | 1700 | GRE | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Ornithopoulos, Nikolaos | | | 2097 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fotiadis, Ioannis | | | 1761 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Alexiou, Panagiotis | | | 1955 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | 114th Ambelokipi Open | Ambelokipi - Athens | GRE | 2011-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1737 | 4.00 | 6 | 1.28 | 15 | 19.20 | |
| | Sienczewski, Zbigniew | | | 2137 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Karystianos, Petros | | | 1501 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Karountzos, Nikolaos | | | 2097 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Kapellas, Nikiforos | | | 1506 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Stamiris, Gerasimos | | | 1824 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Mitsakos, Achilleas | | | 1688 | GRE | 1.00 | 1 | 0.43 | 15 | 6.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | International open IKAROS 2011 | Ag. Kirikos - Ikaria | GRE | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1726 | 1.50 | 6 | -0.46 | 15 | -6.90 | |
| | Middelhoven, Huib | | | 1984 | NED | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Eijk, Yuri | | | 2080 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Douni, Maria | | | 1538 | GRE | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Halkiadakis, Evangelos | | | 1611 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Urosevic, Marija | | wf | 2058 | SRB | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Tsagaropoulos, Spyridon | | | 2018 | GRE | 0.00 | 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) | | |
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