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Individual Calculations January 2009 |
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| Ruiz, Eric Jabib Total change: -10.50 | |   |
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| IRT Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2161 | 1.00 | 3 | -0.42 | 25 | -10.50 | |
|  Mendoza, Rafael | f | | 2327 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | |  Portnoy, Ivan Alberto | | | 1988 | COL | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Betancur, David | | | 2224 | COL | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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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