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Individual Calculations December 2019 |
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| Refalo, Ian Total change: -11.80 | |   |
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| XY Chess Team League 2019 | Birkirkara | MLT | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1583 | 1.00 | 3 | -0.49 | 20 | -9.80 | |
|  Farrugia, Jamie | | wf | 1586 | MLT | 0.00 | 1 | -0.50 | 20 | -10.00 | |  Attard Compagno, Kevin | | | 1351 | MLT | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Psaila, Mario | | | 1819 | MLT | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | Malta International Open 2019 | Bugibba | MLT | 2019-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1583 | 3.50 | 9 | -0.10 | 20 | -2.00 | |
| | Krueger, Norbert | | | 1944 | GER | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Hafner, Bernhard | | | 1910 | AUT | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Djokic, Dusan | | | 1811 | SRB | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Friedland, Benzi | | | 1183 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Astrom, Peter | | | 1839 | SWE | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Hammer, Klaus | | | 1787 | GER | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Oster, Jean Marie | | | 1486 | FRA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Adam, Wilfried | | | 1768 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Admiraal, Ruurd | | | 1183 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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