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Individual Calculations March 2020 |
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| Jelfs, Alan Total change: 2.20 | |   |
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| Perth Congress Open 2020 | Perth | SCO | 2020-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1860 | 1.50 | 4 | 0.11 | 20 | 2.20 | |
|  Abdulla, Murad | f | | 2260 * | SCO | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Murray, Frankie | | | 1675 | SCO | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Green, Andrew D | c | | 2152 | SCO | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Cooke, Mark | | | 1920 | SCO | 0.50 | 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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