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Individual Calculations February 2017 |
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| Brown, Thomas Total change: 22.40 | |   |
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| South Wales New Year Open 2017 | Bridgend | WLS | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2065 | 3.50 | 5 | 0.63 | 20 | 12.60 | |
|  James, Dai | | | 1872 | WLS | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Waterfield, John W | | | 1983 | WLS | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Toczek, Grzegorz | f | | 2229 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ralphs, Nigel | | | 2059 | WLS | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Parry, Matthew | | | 1901 | WLS | 1.00 | 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) | | | | Welsh Chess Premier League 2016/17 Round 2 | Various | WLS | 2017-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2065 | 1.00 | 1 | 0.49 | 20 | 9.80 | |
| | Ralphs, Nigel | | | 2059 | WLS | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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) | | |
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