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Individual Calculations April 2009 |
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| Hernandez Coto, Carlos Total change: -24.75 | |   |
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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 |
| 1976 | 2028 | 3.00 | 7 | -0.99 | 25 | -24.75 | |
|  Jimenez, Alvarado Alonso | | | 1960 | CRC | 0.00 | 1 | -0.59 | 25 | -14.75 | |  Fernandez, Mario | | | 1973 | CRC | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Duran Vega, Sergio | | | 1983 | CRC | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Munoz, Carolina | | wm | 2026 | CRC | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Alfaro Guillen, Jose Raul | | | 1892 | CRC | 0.00 | 1 | -0.68 | 25 | -17.00 | | | Vargas Serano, Pablo | | | 1983 | CRC | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Montenegro, Esteban | | | 2013 | CRC | 0.50 | 1 | -0.02 | 25 | -0.50 | |
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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