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Individual Calculations January 2009 |
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| Arranja, Armando Total change: -1.95 | |   |
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| GXA Outono 2008 | Lisboa | POR | 2008-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1895 | 1.00 | 3 | -0.79 | 15 | -11.85 | |
|  Oliveira, Carlos | | | 2111 | POR | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Guerreiro, Helder | | | 1545 | POR | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Santos, Alexandre | | | 1764 | POR | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | Taça AXS - Época 2008/2009 | Setúbal | POR | 2008-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1895 | 1.00 | 1 | 0.66 | 15 | 9.90 | |
| | Pereira, Ricardo Joao Correia | | | 2016 | POR | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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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