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Individual Calculations July 2009 |
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| Marin, Bryan Total change: 18.50 | |   |
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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 |
| 1980 | 1746 | 2.00 | 6 | 0.74 | 25 | 18.50 | |
|  Machado Ramirez, Allan | | | 2019 | CRC | 0.50 | 1 | 0.33 | 25 | 8.25 | |  Barrios Zamora, Carlos | | | 2032 | CRC | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Hernandez Coto, Carlos | | | 2003 | CRC | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Murillo, Jaime | | | 1848 | CRC | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Brenes, Juan Carlos | | | 1993 | CRC | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Fernandez, Mario | | | 1984 | CRC | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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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