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Individual Calculations May 2019 |
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| Ong, Weng Yan Total change: 15.20 | |   |
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| Southend Easter Bank Holiday Congress Open 2019 | Southend | ENG | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1609 | 1.50 | 6 | 0.38 | 40 | 15.20 | |
|  Moore, John C | | | 2000 | ENG | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Barton, Tom A | | | 1883 | ENG | 1.00 | 1 | 0.83 | 40 | 33.20 | |  Jamroz, Krzysztof | | | 1972 | POL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Metcalfe, Charlie P | | | 1722 | ENG | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Xu, Edison | | | 1746 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Amato, Giampiero | | | 1994 | ITA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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