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Individual Calculations September 2017 |
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| Emerton, Keith Total change: -41.60 | |   |
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| 104th British Championships Under 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1778 | 1.00 | 3 | -1.04 | 40 | -41.60 | |
|  Horlock, Peter J | | | 1622 | ENG | 0.50 | 1 | -0.21 | 40 | -8.40 | |  Pride, Stephen C | | | 1656 | ENG | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Pearce, Neville R | | | 1659 | ENG | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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) | | |
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