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Individual Calculations September 2011 |
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| Bustamante, Wilfredo Total change: -1.35 | |   |
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| I OPEN IRT DE AJEDREZ “TOP CHESS” | LIMA, PERU | PER | 2011-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2056 | 3.00 | 5 | -0.09 | 15 | -1.35 | |
|  Mamani, Joan Franco | | | 2116 | PER | 0.00 | 1 | -0.42 | 15 | -6.30 | |  Alcarraz, David | | | 1865 | PER | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Principe, Alexander | f | | 2075 | PER | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Balvin, Jorge | | | 1789 | PER | 1.00 | 1 | 0.18 | 15 | 2.70 | | | De La Cruz, Jonathan | | | 1964 | PER | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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