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Individual Calculations August 2014 |
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| Buttell, David Total change: -23.05 | |   |
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| 2014 South Wales Summer Congress | Newport | WLS | 2014-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1846 | 1.00 | 4 | -0.83 | 15 | -12.45 | |
|  Hughes, Beryl | | | 1559 | WLS | 0.50 | 1 | -0.34 | 15 | -5.10 | |  Kirby, Peter J. | c | | 1994 | GCI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Hatchett, Paul | | | 1975 | WLS | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Rodriguez, Juan Talavera | | | 1951 | WLS | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | 101st British Championship - Atkins Tournament | Aberystwyth | ENG | 2014-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1846 | 2.00 | 5 | -0.53 | 20 | -10.60 | |
| | Fryer, David W | | | 1967 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Golding, Alex | | | 1761 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Burns, Martin J | | | 1889 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Homer, Neil S | | | 1670 | ENG | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Gosling, Brian G E | | | 1919 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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) | | |
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