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Individual Calculations February 2017 |
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| Sivarajasingam, Venetia Total change: 49.60 | |   |
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| South Wales New Year Open 2017 | Bridgend | WLS | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1668 | 2.00 | 4 | 1.42 | 40 | 56.80 | |
|  Lewis, David Rhys | | | 1948 | WLS | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Waterfield, John W | | | 1983 | WLS | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Ehsandar, Peter | | | 1955 | WLS | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Rodriguez, Juan Talavera | | | 2003 | WLS | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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 2016/17 Round 2 | Various | WLS | 2017-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1668 | 0.00 | 1 | -0.18 | 40 | -7.20 | |
| | Thomas, Ben | | | 1929 | WLS | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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