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Individual Calculations September 2019 |
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| Mason, Donald J Total change: -8.60 | |   |
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| 106th British Championships Over 50 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 2079 | 3.50 | 6 | -0.43 | 20 | -8.60 | |
|  Kennedy, Craig | | | 1883 | SCO | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Shaw, Meyrick | | | 1869 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Granat, Russell G | | | 2219 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Simons, Martin J | | | 1950 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Gibbs, Daniel C | | | 1812 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Dilleigh, Stephen P | | | 2000 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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