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Individual Calculations March 2018 |
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| Rayner, Francis Total change: 29.60 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2043 | 3.50 | 4 | 1.48 | 20 | 29.60 | |
|  Whale, Michael | | | 1743 | WLS | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Taylor, Robert Graham | | | 1906 | WLS | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Jones, Iolo C | f | | 2206 | WLS | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Williams, A. Howard | f | | 2274 | WLS | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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