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Individual Calculations April 2009 |
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| Centeno Mora, Erick Total change: -13.80 | |   |
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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 |
| 1992 | 2043 | 2.50 | 6 | -0.92 | 15 | -13.80 | |
|  Duran Vega, Sergio | | | 1983 | CRC | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Murillo Ortiz, Gustavo | | | 1988 | CRC | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Munoz, Carolina | | wm | 2026 | CRC | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Rodriguez, David | | | 1968 | CRC | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Montenegro, Esteban | | | 2013 | CRC | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Fernandez, Mario | | | 1973 | CRC | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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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