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Individual Calculations October 2008 |
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| Argueta, Carlos Total change: 7.50 | |   |
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| Campeonato Subzonal Masculino 2008 | Guatemala, Guatemala | GUA | 2008-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 1951 | 1.50 | 5 | 0.40 | 25 | 10.00 | |
|  Guillen Ramirez, Jose Antonio | f | | 2240 | HON | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Chavez, Ricardo Ernesto | f | | 2207 | ESA | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Sanchez, Jorge | f | | 2207 | PAN | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Alfaro, Carlos | | | 2114 | CRC | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Alfaro Rojas, Alfonso | | | 2116 | CRC | 0.50 | 1 | 0.22 | 25 | 5.50 | |
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 Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 1936 | 0.50 | 4 | -0.10 | 25 | -2.50 | |
| | Leyva, Hector | m | | 2286 | ESA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Zepeda, Lorena | | wm | 2161 | ESA | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Fernandez, Daniel | m | | 2286 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Almeida Criollo, Jefferson | | | 2225 | ECU | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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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