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Individual Calculations September 2009 |
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| Bonifacio, Lucas Isaac Galdino Total change: -6.25 | |   |
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| Torneio Gov. Miguel Arraes NORDESTAO | Recife/PE | BRA | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 1866 | 0.50 | 5 | -0.80 | 25 | -20.00 | |
|  De Moura, Sergio Jovelino | | | 2138 | BRA | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Macedo, Alexandre Soares De | | | 2005 | BRA | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Ferreira, Kleber Victor | | | 2096 | BRA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Moura, Paulo Jorge Alves B. | | | 2207 | BRA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Melo, Fernando Antonio Albuquerqu | | | 1873 | BRA | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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) | | | | IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1866 | 1.50 | 4 | 0.55 | 25 | 13.75 | |
| | Barreto Filho, Carlos Alberto | f | | 2257 | BRA | 0.50 | 1 | 0.41 | 25 | 10.25 | | | Wanderley, Rafaell M. | | | 2066 | POR | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Macedo, Maximo Valerio | f | | 2120 | BRA | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Lima Junior, Jose Arlindo Costa | | | 1914 | BRA | 1.00 | 1 | 0.57 | 25 | 14.25 | |
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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