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Individual Calculations September 2011 |
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| Hairopoulos, Stefanos Total change: 9.90 | |   |
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| Attica Team Friendship Cup 2011 - B' Group | Attiki | GRE | 2011-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1653 | 1.00 | 1 | 0.24 | 15 | 3.60 | |
|  Tsilivakos, Vasilis | | | 1449 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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 |
| 1862 | 1645 | 2.00 | 6 | 0.42 | 15 | 6.30 | |
| | Gazis, Efstathios | f | | 2045 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ornithopoulos, Nikolaos | | | 2045 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Tsiotridis, Panayotis | | | 2033 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Iatros, Aristidis | | | 1824 | GRE | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Dritsoula, E | | | 1837 | GRE | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Douni, Aspasia | | | 1390 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | * 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) | | |
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