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Individual Calculations September 2017 |
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| Somton, Anita Total change: 86.00 | |   |
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| 104th British Championships Major Open | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1705 | 4.00 | 7 | 2.35 | 40 | 94.00 | |
|  Boswell, Jacob Connor | | | 1914 | ENG | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Hubbard, Michael | | | 1922 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Edwards, Simon R | | | 1973 | ENG | 0.50 | 1 | 0.33 | 40 | 13.20 | | | De Coverly, Roger D | | | 1971 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Cowan, Richard M | | | 1874 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Johnson, Paul A | | | 1870 | ENG | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Foster, Timothy | | | 1865 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1705 | 0.50 | 3 | -0.20 | 40 | -8.00 | |
| | Ashworth, Michael J | | | 1946 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Crombleholme, Alan K | | | 2009 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Stern, Robert C | | | 1806 | ENG | 0.50 | 1 | 0.14 | 40 | 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) | | |
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