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Individual Calculations September 2009 |
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| Hatzopoulos, Ioannis Total change: -12.25 | |   |
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| 13th Heraklio Open 2009 - Group B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1655 | 1.00 | 3 | -0.07 | 25 | -1.75 | |
|  Tsironis, Panteleimon | | | 1594 | GRE | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Roumeliotis, Angelos | | | 1881 | GRE | 0.00 | 1 | -0.21 | 25 | -5.25 | |  Stamatakos, Dimitrios | | | 1819 | GRE | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1655 | 0.00 | 3 | -0.42 | 25 | -10.50 | |
| | Dounis, Alexandros | | | 2055 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Nikomanis, Andreas | | | 1926 | GRE | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Nilsson, Erling | | | 1930 | DEN | 0.00 | 1 | -0.17 | 25 | -4.25 | | | * 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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