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Individual Calculations April 2009 |
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| Petruzalek, Radim Total change: -10.50 | |   |
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| Open Praha 2009 - tournament B | Prague | CZE | 2009-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1625 | 0.00 | 2 | -0.42 | 25 | -10.50 | |
|  Savelenko, Arseny | | | 1975 | RUS | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Havlicek, Pavel | | | 1764 | CZE | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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) | | |
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