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Individual Calculations January 2013 |
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| Ortiz, Marco Total change: -2.10 | |   |
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| Centroamericano Por Equipos | Panama | PAN | 2012-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 2174 | 2.50 | 5 | -0.14 | 15 | -2.10 | |
|  Sanchez, Jorge | f | | 2152 | PAN | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Chavez, Ricardo | f | | 2177 | ESA | 0.50 | 1 | 0.00 | 15 | 0.00 | |  Guillen, Jose | f | | 2208 | HON | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Giron, David | | | 2048 | GUA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Carvajal, Jonathan | | | 2183 | CRC | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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