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Individual Calculations September 2018 |
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| Betts, Richard Total change: 19.20 | |   |
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| 105th British Championships Under 1900 | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1774 | 2.00 | 3 | 0.48 | 40 | 19.20 | |
|  Karia, Kamlesh | | | 1582 | ENG | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Cawston, M John | | | 1871 | ENG | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Dean, Robert A | | | 1844 | ENG | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | |
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