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Individual Calculations January 2012 |
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| Zerafa, Patrick Total change: -3.90 | |   |
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| 76th Malta Championship Finals | Valletta | MLT | 2011-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2093 | 4.00 | 10 | -1.50 | 15 | -22.50 | |
|  Zerafa, Robert | | | 2041 | MLT | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Psaila, Clarence | | | 1984 | MLT | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Vella, Duncan | | | 1964 | MLT | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Pace, Colin | c | | 2156 | MLT | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Gauci, Joseph | c | | 2126 | MLT | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Zerafa, Robert | | | 2041 | MLT | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Psaila, Clarence | | | 1984 | MLT | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Vella, Duncan | | | 1964 | MLT | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Pace, Colin | c | | 2156 | MLT | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Gauci, Joseph | c | | 2126 | MLT | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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) | | | | Malta Open | Bugibba | MLT | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2093 | 5.00 | 8 | 1.24 | 15 | 18.60 | |
| | Attard, Ivan | | | 1693 * | MLT | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Luther, Thomas | g | | 2493 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Mateljak, Goran | | | 1907 | CRO | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Kopischke, Maik | | | 1907 | GER | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Greevenbosch, Kees | | | 2016 | NED | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Quillan, Gary | m | | 2416 | ENG | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Ibrahim, Hatim | m | | 2414 | EGY | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Schartz, Alain | | | 2160 | LUX | 1.00 | 1 | 0.59 | 15 | 8.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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