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Individual Calculations May 2012 |
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| Alvarez Hernandez, David Total change: 30.15 | |   |
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| Nacional Abierto 2011 Jorge van der Laat Ulloa | San Jose | CRC | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2058 | 5.50 | 8 | 2.01 | 15 | 30.15 | |
|  Vega, Edwin | | | 2037 | CRC | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Araya, Cristian | | | 1832 | CRC | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Duran Vega, Sergio | | | 2221 | CRC | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Jimenez Garcia, Emanuel | | | 1955 | CRC | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Vaglio, Emanuel | | | 2047 | CRC | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Bermudez , Sergio | f | | 2162 | CRC | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Arias Santana, Mauricio | m | | 2318 | CRC | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Murillo Tsjili, Alexis | m | | 2305 | CRC | 1.00 | 1 | 0.81 | 15 | 12.15 | |
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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