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Individual Calculations September 2009 |
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| Sa, Nuno Total change: 1.20 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1888 | 0.50 | 1 | 0.12 | 25 | 3.00 | |
|  Guerra, Jose Antonio Goulart De | | | 1976 | POR | 0.50 | 1 | 0.12 | 25 | 3.00 | |
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) | | | NOTE: K factor changed | | Regional dos Açores - Fase Final | Açores | POR | 2009-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1888 | 1.50 | 4 | -0.12 | 15 | -1.80 | |
| | Guerra, Jose | | | 1976 | POR | 1.00 | 1 | 0.62 | 15 | 9.30 | |  Soares, Luis | | | 1933 | POR | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Silva, Rui | | | 1891 | POR | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Tavares, Antonio | | | 2035 | POR | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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