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Individual Calculations July 2009 |
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| Brenes, Juan Carlos Total change: -43.75 | |   |
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| Costa Rican National Championship Phase 1.2 | Moravia | CRC | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1993 | 1.50 | 6 | -1.75 | 25 | -43.75 | |
|  Leandro, Jhonny | | | 2100 | CRC | 0.00 | 1 | -0.35 | 25 | -8.75 | |  Campos Cerdas, Jorge | | | 2027 | CRC | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Redondo Vargas, Diego | | | 1872 | CRC | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Vargas Serano, Pablo | | | 1976 | CRC | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Marin, Bryan | | | 1746 | CRC | 0.50 | 1 | -0.31 | 25 | -7.75 | | | Machado Ramirez, Allan | | | 2019 | CRC | 0.00 | 1 | -0.46 | 25 | -11.50 | |
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) | | |
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