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Individual Calculations September 2009 |
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| Samson, Stefan Total change: -2.75 | |   |
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| Grand Prix "Na Chrobrego 28" - czerwiec 2009 | Gorzow | POL | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1522 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
|  Rutkowski, Maciej | m | | 1872 | POL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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