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Individual Calculations April 2009 |
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| Zilberstein, Dmitry Total change: 1.00 | |   |
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| Western Chess Congress | Concord, California | USA | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2393 | 3.50 | 5 | 0.10 | 10 | 1.00 | |
|  Pupols, Viktors | | | 2192 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | |  Aigner, Michael | | | 2226 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Gallegos, Paul A | | | 2097 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | De Guzman, Ricardo | m | | 2402 | PHI | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Tate, Emory A | m | | 2333 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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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