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Individual Calculations February 2015 |
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| Ashworth, Michael Total change: 3.20 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1882 | 2.50 | 4 | 0.08 | 40 | 3.20 | |
|  Choo Yin, Benjamin | | | 1513 | WLS | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Brown, Thomas | | | 2054 | WLS | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Sivarajasingam, Shayanna | | | 1553 | WLS | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Davis, Lee | | | 1977 | WLS | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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