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Individual Calculations September 2009 |
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| Vraimakis, Ioannis Total change: -8.25 | |   |
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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 |
| 1826 | 1561 | 0.00 | 1 | -0.18 | 25 | -4.50 | |
|  Koukoufikis, Ioannis | | | 1826 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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 |
| 1888 | 1595 | 0.50 | 4 | -0.15 | 25 | -3.75 | |
|  Bonvalot, Isabelle | | | 1971 | FRA | 0.50 | 1 | 0.41 | 25 | 10.25 | | | Frosinos, Ioannis | | | 1964 | GRE | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Zayed, Ali Al-Hamed | | | 1855 | UAE | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Holis, Hristos | | | 1761 | 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) | | |
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