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Individual Calculations January 2011 |
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| Roose, Alex Total change: -15.15 | |   |
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| Aruba Chess Challenge 2010 | Sta Cruz | ARU | 2010-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2065 | 0.50 | 3 | -1.01 | 15 | -15.15 | |
|  Blijstra, Wim | | | 2223 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Sanches, Romario | | | 1985 | SUR | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Pesqueira, Jose | | | 1982 | ARU | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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