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Individual Calculations April 2016 |
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| Rovaretti, David Total change: 24.20 | |   |
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| Welsh Chess Premier League 2015/16 Round 5 | Merthyr Tydfil | WLS | 2016-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1611 | 0.50 | 1 | -0.12 | 20 | -2.40 | |
|  Sivarajasingam, Shayanna | | | 1523 | WLS | 0.50 | 1 | -0.12 | 20 | -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) | | | | Tom Weston Memorial | Cardiff | WLS | 2016-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1611 | 3.00 | 5 | 1.33 | 20 | 26.60 | |
|  Pearson, Raymond | | | 1952 | WLS | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Lutchman Singh, Aishwarya | | | 1440 | WLS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Donovan, Edward | | | 1706 | WLS | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Bridges, Paul | | | 1821 | WLS | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Harle, Bill | | | 1831 | WLS | 0.50 | 1 | 0.28 | 20 | 5.60 | |
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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