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Individual Calculations April 2009 |
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| Silva, Antonio Total change: -4.50 | |   |
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| Taca AXP | Porto | POR | 2008-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2234 | 2.50 | 3 | 0.28 | 15 | 4.20 | |
|  Rosario, Artur | | | 1884 | POR | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Kovtun, Igor | | | 2068 | UKR | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Ferreira, Jorge Joao | | | 2153 | POR | 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) | | | | Distrital do Porto - preliminar E | Porto | POR | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2234 | 2.00 | 3 | -0.58 | 15 | -8.70 | |
| | Castro, Carlos Monteiro | | | 1884 | POR | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Leite, Samuel | | | 1995 | POR | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Pinho, Helder | | | 1884 | POR | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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