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Individual Calculations October 2008 |
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| Sidiropoulos, Nikolaos Total change: -22.00 | |   |
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| 12th Heraklio Open - Group B' | Heraklio, Athens | GRE | 2008-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 1544 | 0.00 | 1 | -0.18 | 25 | -4.50 | |
|  Zahariou, Nikolaus | | | 1810 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | | | 17th Greek Indiv. Championship open U12 | Kallithea - Halkidiki | GRE | 2008-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1544 | 0.50 | 2 | -0.22 | 25 | -5.50 | |
| | Michelakos, Panagiotis | | | 1894 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Hnaras, Foivos | | | 1467 | GRE | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 16th Inter. Open Tournament "Honor to National Resistance" | Nikaia - Athens | GRE | 2008-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1555 | 0.00 | 3 | -0.48 | 25 | -12.00 | |
| | Spirou, Marina | | | 1741 | GRE | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Hristodoulou, Panagiotis | | | 1905 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Gazis, Efstathios | f | | 1905 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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