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Individual Calculations January 2012 |
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| Ruiz Blais, Sebastian Total change: 21.60 | |   |
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| Abierto Metropolitano | San Jose | CRC | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 2173 | 5.50 | 7 | 1.44 | 15 | 21.60 | |
|  Fernandez Sibaja, Felipe | | | 1916 | CRC | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Quiros Araya, Jose Pablo | | | 2014 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Castillo, Rommel | | | 2140 | CRC | 1.00 | 1 | 0.45 | 15 | 6.75 | |  Murillo Tsijli, Alexis | m | | 2301 | CRC | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Alvarez Hernandez, David | | | 2035 | CRC | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Alfaro, Carlos | | | 2150 | CRC | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Duran Vega, Sergio | | | 2226 | CRC | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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