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Individual Calculations September 2017 |
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| Connolly Sams, Lukah Total change: -20.40 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1729 | 1.00 | 4 | -0.51 | 40 | -20.40 | |
|  Staniland, Philip | | | 1948 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Openshaw, David K | | | 1859 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Collins, Peter M | | | 1954 | ENG | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Leaper, Richard D | | | 1533 | ENG | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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