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Individual Calculations September 2017 |
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| Tilston, Jamie D Total change: -14.40 | |   |
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| 104th British Championships Weekend Open | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1861 | 1.00 | 4 | -0.36 | 40 | -14.40 | |
|  Wells, Jonathan C | | | 2037 | ENG | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Doran, Chris | | | 1977 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Warren, Alex M | | | 2025 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Patrick, David A | | | 1879 | ENG | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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