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Individual Calculations December 2018 |
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| Bevan, Peter M Total change: 8.00 | |   |
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| Welsh Chess Premier League 2018/2019 Round 1 | Various | WLS | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1884 | 0.50 | 1 | 0.10 | 20 | 2.00 | |
|  Miles, Richard | | | 1958 | WLS | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | 2018 South Wales Autumn Open | Newport | WLS | 2018-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1884 | 2.00 | 4 | 0.30 | 20 | 6.00 | |
|  Van Kemenade, Julie | | | 1706 | WLS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Waddington, Mike P | f | | 2080 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Taylor, Robert Graham | | | 1840 | WLS | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Roberts, Paul | c | | 2171 | SCO | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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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