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Individual Calculations November 2009 |
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| Psaila, Mario Total change: 0.00 | |   |
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| Summer Open 2009 | Sliema | MLT | 2009-07-25 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1859 | 0 | 5.00 | 6 | 0.00 | 1909 | | 0.00 | |
|  Xuereb, Andre | | | 1715 | MLT | 0.50 | 1 | 0.00 | | 0.00 | |  Aguilar, Filipina | | wc | 1855 | MLT | 0.50 | 1 | 0.00 | | 0.00 | | | Sammut Briffa, Peter | | | 2029 | MLT | 1.00 | 1 | 0.00 | | 0.00 | | | Sammut, Ron | | | 1836 | MLT | 1.00 | 1 | 0.00 | | 0.00 | | | Pettersson, Alexander | | | 1920 | MLT | 1.00 | 1 | 0.00 | | 0.00 | | | Richards, John | | | 1799 | MLT | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Candidates 2009 | Sliema | MLT | 2009-08-11 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1887 | 0 | 2.50 | 5 | 0.00 | 1887 | | 0.00 | |
| | Richards, John | | | 1799 | MLT | 0.50 | 1 | 0.00 | | 0.00 | | | Vella, Duncan | | | 2044 | MLT | 0.00 | 1 | 0.00 | | 0.00 | | | Sammut, Ron | | | 1836 | MLT | 1.00 | 1 | 0.00 | | 0.00 | | | Attard, Ivan | | | 1694 | MLT | 1.00 | 1 | 0.00 | | 0.00 | | | Zerafa, Patrick | c | | 2063 | MLT | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Open October 2009 | Sliema | MLT | 2009-10-03 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1872 | 0 | 2.00 | 5 | 0.00 | 1800 | | 0.00 | |
| | Pettersson, Alexander | | | 1911 | MLT | 0.50 | 1 | 0.00 | | 0.00 | | | Carosso, Andrea | | | 2029 | ITA | 0.00 | 1 | 0.00 | | 0.00 | | | Xuereb, Andre | | | 1715 | MLT | 0.50 | 1 | 0.00 | | 0.00 | | | Psaila, Clarence | | | 1779 | MLT | 0.50 | 1 | 0.00 | | 0.00 | | | Beulertz, Stefan | | | 1925 | MLT | 0.50 | 1 | 0.00 | | 0.00 | |
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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