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Individual Calculations April 2009 |
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| Mezentsev, Vladimir Total change: -16.20 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2405 | 1.00 | 3 | -0.79 | 10 | -7.90 | |
|  Yang, Darwin | f | | 2182 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | |  Shabalov, Alexander | g | | 2585 | USA | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Belliard, Luis | | | 2215 | DOM | 0.00 | 1 | -0.75 | 10 | -7.50 | |
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 |
| 2131 | 2403 | 0.00 | 1 | -0.83 | 10 | -8.30 | |
| | Adelberg, David | | | 2131 | USA | 0.00 | 1 | -0.83 | 10 | -8.30 | |
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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