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Individual Calculations April 2018 |
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| Mason, Donald J Total change: 1.00 | |   |
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| Warwickshire Open 2018 | Coventry | ENG | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 2120 | 2.00 | 4 | -0.71 | 20 | -14.20 | |
|  Fathallah, Joe | | | 1977 | WLS | 0.50 | 1 | -0.19 | 20 | -3.80 | |  Paterson, Andrew I | | | 2024 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Deswarte, Ian | | | 1792 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Hynes, A M (tony) | | | 2107 | ENG | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | 2017/18 4NCL Division 2 Rounds 7-8 | Reading | ENG | 2018-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2120 | 1.50 | 2 | 0.76 | 20 | 15.20 | |
| | Povah, Nigel E | m | | 2284 | ENG | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Graham, David B | | | 2152 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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