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Individual Calculations April 2008 |
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| Chumpitaz, Ann Total change: 13.25 | |   |
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| II Torneo Open Jose Marca Castañeda in Memoriam | Lima | PER | 2008-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 1976 | 1.50 | 5 | 0.53 | 25 | 13.25 | |
|  Cori, Jorge | f | | 2326 | PER | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Quispe, Milko | | | 2146 | PER | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Garcia, Javier | f | | 2293 | PER | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Cori T., Deysi | | wf | 2201 | PER | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Contreras, Jose | | | 2183 | PER | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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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