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Individual Calculations September 2009 |
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| Duffner, Attila Total change: -18.75 | |   |
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| Pannonia Nitrokemia Cup Group A | Balatonalmadi | HUN | 2009-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1815 | 1.00 | 5 | -0.23 | 25 | -5.75 | |
|  Acs, Gabor | | | 2147 | HUN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Komlosi, Frantisek | | | 1967 | SVK | 0.00 | 1 | -0.30 | 25 | -7.50 | |  Kovalik, Julius | | | 2057 | SVK | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Zentai, Gyula | | | 1981 | HUN | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Raba, Rudolf | | | 1942 | HUN | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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) | | | | Acs Janos Memorial | Tapolca | HUN | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1815 | 1.50 | 5 | -0.52 | 25 | -13.00 | |
| | Feher, Gyula | m | | 2215 * | HUN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Arvai, Eszter | | | 1490 | HUN | 1.00 | 1 | 0.13 | 25 | 3.25 | | | Toronyi, David | | | 2070 | HUN | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Bubits, Bence | | | 2052 | HUN | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Szabo, Dorina | | | 1685 | HUN | 0.00 | 1 | -0.68 | 25 | -17.00 | | | * 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) | | |
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