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Individual Calculations January 2009 |
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| Sanchez, Sebastian Felipe Total change: -8.25 | |   |
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| IRT Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2178 | 2.00 | 6 | -0.55 | 15 | -8.25 | |
|  Mendoza, Rafael | f | | 2327 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Cuartas, Jorge Humberto | f | | 2283 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Portnoy, Ivan Alberto | | | 1988 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Ramirez, Carlos | f | | 2284 | COL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Melgosa, Marcio | | | 2292 | COL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Betancur, David | | | 2224 | COL | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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