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Individual Calculations September 2017 |
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| Homolka, Vincent O Total change: 5.60 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1773 | 2.00 | 5 | 0.28 | 20 | 5.60 | |
|  Kelly, Ian G | | | 2005 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |  McKerracher, Douglas | | | 1930 | SCO | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Cooper, John G | | | 1928 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Macrae, James S | | | 1645 | SCO | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Collins, Peter M | | | 1954 | ENG | 0.50 | 1 | 0.24 | 20 | 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) | | |
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