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Individual Calculations February 2015 |
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| Williams, Stephen Total change: -101.20 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1890 | 1.00 | 5 | -2.53 | 40 | -101.20 | |
|  Sands, David A | | | 2192 | WLS | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Sivarajasingam, Shayanna | | | 1553 | WLS | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Choo Yin, Benjamin | | | 1513 | WLS | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Guha, Chirag | | | 1535 | WLS | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Van Kemenade, Julie | | | 1741 | WLS | 0.00 | 1 | -0.70 | 40 | -28.00 | |
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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