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Individual Calculations March 2011 |
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| Barczyk, Janusz Total change: 11.25 | |   |
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| 34. Zurich Weihnachtsopen Allgemein | Zurich | SUI | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1668 | 1.00 | 4 | 0.45 | 25 | 11.25 | |
|  Leuenberger, Urs | | | 2017 | SUI | 1.00 | 1 | 0.89 | 25 | 22.25 | |  Posta, Joe | | | 1922 | SUI | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Arocha, Carlos | | | 1946 | SUI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Schreiber, Edwin | | | 2068 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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