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Individual Calculations March 2015 |
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| Williams, Stephen Total change: 17.20 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1890 | 2.50 | 3 | 0.43 | 40 | 17.20 | |
|  Hurn, Robert Aj | | | 1717 | WLS | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Baruah, Bedanta | | | 1516 | IND | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Lewis, David Rhys | | | 1933 | WLS | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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