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Individual Calculations May 2011 |
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| Valden, Petros Total change: 16.50 | |   |
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| Bikos Teams Cup 2010 group B | Attiki | GRE | 2010-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2159 | 1.00 | 1 | 0.26 | 15 | 3.90 | |
|  Agrapidis, Th | | | 1973 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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 Team Championship 2011 - Preliminaries of A' Category | Attiki | GRE | 2011-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2163 | 4.00 | 6 | 0.33 | 15 | 4.95 | |
| | Kostouros, Alexandros | | | 2218 | GRE | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Kordis, Konstantinos | | | 2183 | GRE | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Sklavounos, Panayotis | | | 2008 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Skaperdas, Sotirios | | | 2070 | GRE | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Skirianoglou, Dimitrios | | | 2057 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Karahisaridis, Vasilios | | | 1927 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | 9th Open Pagratiou > 1900 rating | Pagrati - Athens | GRE | 2011-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2163 | 5.50 | 7 | 0.51 | 15 | 7.65 | |
| | Savoglou, Nikolaos | | | 1942 | GRE | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Karaoulanis, Dimitrios | | | 1933 | GRE | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Siaparinas, Konstantinos | | | 1979 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Panagiotopoulos, Vas | | | 1997 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Lappas, Konstantinos | | | 1938 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Ntatsis, Georgios | | | 2032 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kokolias, Konstantinos | | | 2163 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | |
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