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Individual Calculations May 2018 |
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| Sivarajasingam, Venetia Total change: 122.40 | |   |
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| 2018 Welsh Championships | Cardiff | WLS | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1764 | 3.50 | 7 | 2.28 | 40 | 91.20 | |
|  Jameson, David | | | 2033 | WLS | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Van Kemenade, Rudy | | | 1979 | WLS | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Bullen, Alex | | | 2112 | WLS | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Brown, Thomas | | | 2074 | WLS | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Bennett, Patrick | | | 2014 | WLS | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Heap, Gerry | | | 2080 | WLS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Davis, Lee | | | 1954 | WLS | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | Welsh Chess Premier League 2017/18 Round 4 | Neath | WLS | 2018-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1759 | 1.00 | 1 | 0.78 | 40 | 31.20 | |
| | Van Kemenade, Rudy | | | 1979 | WLS | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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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