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Individual Calculations March 2010 |
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| Arocha, Carlos Total change: -24.75 | |   |
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| 33. Zurich Weihnachtsopen Allgemein | Zurich | SUI | 2009-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1971 | 0.50 | 3 | -0.99 | 25 | -24.75 | |
|  Zanetti, Bruno | | | 1988 | SUI | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Meier, Franz | | | 2026 | SUI | 0.50 | 1 | 0.08 | 25 | 2.00 | |  Jehnichen, Kai | | | 1905 | GER | 0.00 | 1 | -0.59 | 25 | -14.75 | |
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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