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Individual Calculations January 2012 |
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| Petterson, John Total change: -34.20 | |   |
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| Malta Open | Bugibba | MLT | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1767 | 1.00 | 6 | -1.14 | 30 | -34.20 | |
|  Greevenbosch, Kees | | | 2016 | NED | 0.00 | 1 | -0.19 | 30 | -5.70 | |  Kirmeir, Andreas | | | 1840 | GER | 1.00 | 1 | 0.60 | 30 | 18.00 | | | Psaila, Clarence | | | 1989 | MLT | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Knudsen, Jes West | | | 1896 | DEN | 0.00 | 1 | -0.33 | 30 | -9.90 | | | Schweitzer, Paul | | | 1764 | GER | 0.00 | 1 | -0.50 | 30 | -15.00 | | | Cools, Walter | | | 1769 | BEL | 0.00 | 1 | -0.50 | 30 | -15.00 | |
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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