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Individual Calculations February 2015 |
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| Choo Yin, Benjamin Total change: 83.60 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1513 | 2.50 | 4 | 2.09 | 40 | 83.60 | |
|  Ashworth, Michael | | | 1882 | ENG | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Williams, Stephen | | | 1890 | WLS | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Thomas, Roy | | | 1827 | WLS | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Robinson, David | | | 1911 | WLS | 1.00 | 1 | 0.92 | 40 | 36.80 | |
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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