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Individual Calculations January 2013 |
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| Ospina Ortiz, Oscar Alexander Total change: -16.65 | |   |
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| III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 1950 | 0.00 | 4 | -1.11 | 15 | -16.65 | |
|  Suasnabar, Jesus | | | 2077 | PER | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Narvaez, Faber Alberto | | | 2156 | COL | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Sierra, Edwin Andres | | | 2142 | COL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Vargas, Pedro | | | 2112 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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