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Individual Calculations October 2008 |
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| Jimenez, Alonso Total change: -0.75 | |   |
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| Campeonato Nacional de Costa Rica 2008 Fase 1 | Moravia | CRC | 2008-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2110 | 3.00 | 5 | -0.19 | 25 | -4.75 | |
|  Vargas Serano, Pablo | | | 1829 | CRC | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Solis, Efren | | | 2120 | CRC | 0.00 | 1 | -0.49 | 25 | -12.25 | |  Rodriguez, David | | | 1998 | CRC | 0.50 | 1 | -0.15 | 25 | -3.75 | | | Needham, Bryan | | | 2047 | CRC | 0.50 | 1 | -0.09 | 25 | -2.25 | | | Peraza, Rafael | | | 2023 | CRC | 1.00 | 1 | 0.38 | 25 | 9.50 | |
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 |
| 2246 | 2110 | 1.50 | 4 | 0.16 | 25 | 4.00 | |
| | Fernandez, Daniel | m | | 2401 | USA | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Fonseca, Jose Luis | | | 2182 | NCA | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Alonso Garcia, Rene | m | | 2369 | CUB | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Heredia Serrano, Carla | | | 2030 | ECU | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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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