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Individual Calculations January 2009 |
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| Zerafa, Robert Total change: 11.10 | |   |
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| 73rd Malta Championship Finals | Sliema | MLT | 2008-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1991 | 4.50 | 8 | 1.54 | 15 | 23.10 | |
|  Zerafa, Patrick | | | 2065 | MLT | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Pace, Colin | c | | 2148 | MLT | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Gauci, Joseph | | | 2112 | MLT | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Vella, Duncan | | | 2029 | MLT | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Zerafa, Patrick | | | 2065 | MLT | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Pace, Colin | c | | 2148 | MLT | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Gauci, Joseph | | | 2112 | MLT | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Vella, Duncan | | | 2029 | MLT | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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) | | | | Olympiad Dresden Open | Dresden | GER | 2008-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 1991 | 1.00 | 7 | -0.80 | 15 | -12.00 | |
| | Ihsan, Jawad | | | 2166 | PLE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Bartel, Mateusz | g | | 2341 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Abdel Razik, Khaled | f | | 2341 | EGY | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Amanov, Mesgen | m | | 2341 | TKM | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mathews, Bryan | | | 2032 | PAN | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Flanders, Cander | | | 2027 | AHO | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Rajapakse, R M C M | | | 2132 | SRI | 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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