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Individual Calculations July 2011 |
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| Arvanitis, Georgios Total change: -23.10 | |   |
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| 10th Open SOP-SMAOK <1900 rating | Pagrati - Athens | GRE | 2011-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1804 | 2.50 | 4 | -1.08 | 15 | -16.20 | |
|  Fragiadaki, Eirini | | | 1443 | GRE | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Psoma, Virginia | | | 1514 | GRE | 0.00 | 1 | -0.84 | 15 | -12.60 | |  Koutsidi, Amalia | | | 1404 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Adamis, Petros | | | 1404 * | GRE | 1.00 | 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) | | | | 112th Ambelokipi Open | Ambelokipi - Athens | GRE | 2011-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1804 | 1.00 | 3 | -0.10 | 15 | -1.50 | |
| | Karountzos, Nikolaos | | | 2086 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Efkarpidis, Stylianos | | | 1595 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Kagas, Konstantinos | | | 2081 | 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) | | | | Attica Team Cup 2011 | Attica | GRE | 2011-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1804 | 0.00 | 1 | -0.36 | 15 | -5.40 | |
| | Doudaniotis, Dimitrios | | | 1906 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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