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Individual Calculations April 2009 |
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| Carvajal Gorgona, Jonathan Total change: 4.35 | |   |
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| Costa Rican National Championship Phase 1.1 | San Jose | CRC | 2009-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2175 | 6.00 | 8 | 0.29 | 15 | 4.35 | |
|  Rodriguez, David | | | 1968 | CRC | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Montenegro, Esteban | | | 2013 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Urbina Quiros, Edwin | | | 2080 | CRC | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Barrios Zamora, Carlos | | | 2046 | CRC | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Cabrera, Marco Antonio | | | 2109 | CRC | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Alfaro Guillen, Jose Raul | | | 1892 | CRC | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Jimenez, Alvarado Alonso | | | 1960 | CRC | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Machado Ramirez, Allan | | | 1996 | CRC | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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