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Individual Calculations April 2009 |
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| Harter, Jorge Total change: -7.75 | |   |
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| III IRT CLUB PERUANO DE AJEDREZ | Lima | PER | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2136 | 1.50 | 3 | -0.31 | 25 | -7.75 | |
|  Balvin, Jorge | | | 1786 | PER | 0.50 | 1 | -0.39 | 25 | -9.75 | | | Cori, Jorge | f | | 2370 | PER | 0.00 | 1 | -0.21 | 25 | -5.25 | |  Pazos, Marco | | | 1980 | PER | 1.00 | 1 | 0.29 | 25 | 7.25 | |
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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