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Individual Calculations September 2009 |
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| Sidiropoulos, Leonidas Total change: -12.75 | |   |
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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 |
| 1643 | 1692 | 1.50 | 3 | -0.20 | 15 | -3.00 | |
|  Triantafillis, Evaggelos | | | 1608 | GRE | 0.50 | 1 | -0.12 | 15 | -1.80 | |  Stathakis, Nikolaos | | | 1573 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Poulidis, Stefanos | | | 1748 | GRE | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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 |
| 2071 | 1686 | 1.00 | 6 | 0.46 | 15 | 6.90 | |
| | Koukoufikis, Alexandros | | | 2086 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Demeroutis, Perikis | | | 1998 | GRE | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Levushkina, Elena | | wg | 2086 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Dounis, Alexandros | | | 2086 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Weersel, Arlette | | wm | 2086 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Swati, Mohota | | wf | 2086 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1686 | 0.00 | 3 | -1.11 | 15 | -16.65 | |
| | Papadopoulos, Dimitrios | | | 1929 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Papathanasiou, Ageliki | | | 1899 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kosmidis, Ioannis | | | 1550 | GRE | 0.00 | 1 | -0.68 | 15 | -10.20 | |
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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