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Individual Calculations October 2008 |
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| Angulo, Oscar Total change: 0.00 | |   |
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| Campeonato Nacional de Costa Rica 2008 Fase 1 | Moravia | CRC | 2008-05-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2080 | 0 | 2.00 | 4 | 0.00 | 2080 | | 0.00 | |
|  Needham, Bryan | | | 2047 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |  Alfaro Rojas, Alfonso | | | 2116 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Ugalde, Ronald | | | 2142 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Solano, Agustin | | | 2015 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | IV Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2220 | 0 | 0.50 | 4 | 0.00 | 1898 | | 0.00 | |
| | Urbina, Ricardo | m | | 2265 | HON | 0.50 | 1 | 0.00 | | 0.00 | | | Arias, Lemmys A | f | | 2342 | ESA | 0.00 | 1 | 0.00 | | 0.00 | | | Zepeda, Lorena | | wm | 2161 | ESA | 0.00 | 1 | 0.00 | | 0.00 | | | Alfaro, Carlos | | | 2113 | CRC | 0.00 | 1 | 0.00 | | 0.00 | |
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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