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Individual Calculations January 2012 |
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| Murillo Ortiz, Gustavo Total change: 2.10 | |   |
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| Abierto Metropolitano | San Jose | CRC | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 2008 | 1.50 | 2 | 0.14 | 15 | 2.10 | |
|  Nunez Valverde, Jairo | | | 1944 | CRC | 1.00 | 1 | 0.41 | 15 | 6.15 | |  Chavez, Gabriel | | | 1796 | CRC | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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