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Individual Calculations January 2010 |
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| Efkarpidis, Stylianos Total change: -10.50 | |   |
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| 99th Open Abelokipon | Ambelokipi - Athens | GRE | 2009-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1672 | 1.00 | 4 | -0.99 | 15 | -14.85 | |
|  Stathopoulos, Ioannis | | | 1879 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Ntovas, Dimitrios | | | 1451 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Panagiotakos, Petros | | | 1860 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Karystianos, Petros | | | 1502 | GRE | 0.00 | 1 | -0.72 | 15 | -10.80 | |
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) | | | | 100th Ambelokipi Open | Ambelokipi - Athens | GRE | 2009-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1671 | 1.00 | 3 | 0.29 | 15 | 4.35 | |
| | Agrapidis, Th | | | 2030 | GRE | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Karlis, Nikolaos | | | 1770 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Panagiotakos, Petros | | | 1865 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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