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Individual Calculations April 2009 |
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| Costa, Joao Guerra Total change: -3.30 | |   |
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| Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2225 | 1.50 | 2 | -0.22 | 15 | -3.30 | |
|  Almeida, Augusto Artur | | | 1875 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Araujo, Jose Verissimo | | | 1949 | POR | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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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