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Individual Calculations July 2013 |
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| Guzman, Arcadio Total change: 8.40 | |   |
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| IRT Copa UDI Ajedrez Santander 2013 | Bucaramanga | COL | 2013-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1912 | 1.00 | 2 | 0.28 | 30 | 8.40 | |
|  Guerrero, Gabriel | | | 2033 | COL | 1.00 | 1 | 0.66 | 30 | 19.80 | |  Abril, Mauricio | | | 1998 | COL | 0.00 | 1 | -0.38 | 30 | -11.40 | |
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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