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Individual Calculations September 2017 |
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| Kennedy, Craig Total change: 43.60 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1855 | 3.00 | 6 | 1.42 | 20 | 28.40 | |
|  Morris, Gareth L | | | 2062 | WLS | 0.50 | 1 | 0.27 | 20 | 5.40 | |  Dilleigh, Stephen P | | | 2075 | ENG | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Fegan, Chris | | | 2052 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Mason, Donald J | | | 2129 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Parker, Keith | | | 1849 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Henderson, David | | | 2099 | ENG | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1855 | 2.00 | 4 | 0.76 | 20 | 15.20 | |
| | Prasath, Malola Ts | | | 2020 | IND | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Mitchell, Stephen R | | | 1918 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Crombleholme, Alan K | | | 2009 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Wells, Jonathan C | | | 2037 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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