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Individual Calculations January 2012 |
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| Perez Reisler, Jose Total change: 13.65 | |   |
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| Ponce Open | Ponce | PUR | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 1865 | 1.50 | 3 | 0.91 | 15 | 13.65 | |
|  Montalvo Rosario, Alejandro | m | | 2245 | PUR | 1.00 | 1 | 0.91 | 15 | 13.65 | |  Sosa Trani, Luis | f | | 2114 | PUR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Ayala Sanchez, Abnel | | | 2007 | PUR | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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