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Individual Calculations January 2011 |
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| Koutsidis, Achilleas Total change: 10.95 | |   |
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| 108th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1476 | 2.00 | 5 | 0.53 | 15 | 7.95 | |
|  Kaloskambis, Mihail | | | 1876 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Papageorgiou, Ioannis | | | 1733 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Livanopoulou, Athina | | | 1276 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Giannakoulias, Alexandros | | | 1629 | GRE | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Barbagiannis, Leonidas | | | 1772 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | * 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) | | | | 109th Ambelokipi Open | Ambelokipi - Athens | GRE | 2010-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1470 | 1.00 | 4 | 0.20 | 15 | 3.00 | |
| | Megaloudis, Petros | | | 1720 | GRE | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Shehu, Ervin | | | 1748 | ALB | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Hatzopoulos, Ioannis | | | 1646 | GRE | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Koukoufikis, Ioannis | | | 1738 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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