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Individual Calculations November 2009 |
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| Ronka, Erik Total change: -14.75 | |   |
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| European Youth Ch under 14 Open | Fermo | ITA | 2009-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2005 | 3.00 | 7 | -0.65 | 25 | -16.25 | |
|  Eltigani, Omar | | | 2260 | HUN | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Ozdover, Mustafa Berkay | | | 1765 | TUR | 0.50 | 1 | -0.30 | 25 | -7.50 | | | Palazzotto, Roberto | | | 1820 | ITA | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Kadric, Denis | | | 2156 | BIH | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Korchmar, Vasiliy | | | 2163 | RUS | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Apresyan, Zohrak | | | 2021 | ARM | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Andias, Joao Pedro | | | 1711 | POR | 0.50 | 1 | -0.35 | 25 | -8.75 | |
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) | | | | Finnish League 2009-2010 Round 3 | Various | FIN | 2009-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1994 | 0.50 | 1 | 0.06 | 25 | 1.50 | |
| | Ihonen, Jari | | | 2035 | FIN | 0.50 | 1 | 0.06 | 25 | 1.50 | |
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) | | |
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