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Individual Calculations September 2009 |
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| Costa, Joao Carlos Da Total change: 1.95 | |   |
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| Continental Absolute Champioship 2009 | Sao Paulo Chess Club/SP | BRA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2007 | 4.00 | 9 | 0.13 | 15 | 1.95 | |
|  Espinoza Palomino, Willyam | c | | 2272 | PER | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Cornejo, Max | f | | 2371 | PER | 0.00 | 1 | -0.10 | 15 | -1.50 | |  De Mello, Rodrigo | | | 1819 | BRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Markzon, Gregory | f | | 2231 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Mendes, David | | | 1827 | BRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Cirilo, Guilherme De Araujo | | | 1803 | BRA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Borges Da Silva, Rodrigo | | | 2221 | BRA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Britez Gonzales, Jorge Antonio | | | 1877 | PAR | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ueti, Silvio Shigueo | | | 2228 | BRA | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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