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Individual Calculations March 2015 |
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| Williams, David J Total change: -59.60 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1621 | 0.00 | 3 | -1.49 | 40 | -59.60 | |
|  Kett, Tim | | | 2021 * | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sivarajasingam, Venetia | | | 1411 | WLS | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Baruah, Bedanta | | | 1516 | IND | 0.00 | 1 | -0.64 | 40 | -25.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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