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Individual Calculations January 2011 |
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| Urbina Quiros, Edwin Total change: -16.80 | |   |
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| Memorial Mikhail Tal | San Jose | CRC | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2103 | 0.00 | 2 | -1.12 | 15 | -16.80 | |
|  Alfaro Guillen, Jose Raul | | | 1985 | CRC | 0.00 | 1 | -0.66 | 15 | -9.90 | |  Jimenez, Alonso | | | 2130 | CRC | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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