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Individual Calculations April 2009 |
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| Pupols, Viktors Total change: 25.20 | |   |
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| Washington State Championship (Premier) | Redmond, Washington | USA | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2192 | 7.50 | 9 | 2.28 | 15 | 34.20 | |
|  Mac Gregor, Michael | | | 2220 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | |  Lee, Nathan Y | | | 2084 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Cloy Ii, Elston L | | | 2095 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Smith, Allen S | | | 1984 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Bartron, Paul R | f | | 2201 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Gale, Geoffrey W | | | 2171 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Xing, Kerry | | | 2219 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Guo, Alex | | | 2121 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Kelley, Dereque D | | | 2099 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | Western Chess Congress | Concord, California | USA | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2192 | 0.50 | 3 | -0.60 | 15 | -9.00 | |
| | Zilberstein, Dmitry | m | | 2393 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Zierk, Steven C | | | 2259 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Yanayt, Eugene | f | | 2225 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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