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Individual Calculations September 2019 |
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| Openshaw, David K Total change: -2.40 | |   |
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| 106th British Championships Under 1900 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1858 | 3.50 | 5 | -0.12 | 20 | -2.40 | |
|  Clare, Steve | | | 1668 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Di-Vetta, Andrew | | | 1735 | WLS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Strong, Chris M | | | 1611 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Britnell, Matthew J | | | 1729 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Nickals, Peter A | | | 1691 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |
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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