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Individual Calculations January 2009 |
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| Kollar, Jan Marek Total change: -23.75 | |   |
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| European Youth Chess Championship 2008 - Boys U14 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1641 | 0.50 | 5 | -0.48 | 25 | -12.00 | |
|  Seegert, Kristian | | | 1991 | DEN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Hunt, Daniel | | | 1920 | ENG | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Endeladze, Ramaz | | | 1864 | GEO | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Chabada, Tomas | | | 1769 | SVK | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Levine, Yonatan | | | 1921 | ISR | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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) | | | | OPEN CK Pressburg | Piestany | SVK | 2008-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1641 | 0.00 | 3 | -0.47 | 25 | -11.75 | |
| | Hudec, Jan | | | 1991 | SVK | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Nikel, Rastislav | | | 1921 | SVK | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Krch, Lukas | | | 1882 | CZE | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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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