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Individual Calculations September 2017 |
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| Fraser, Alan R Total change: 8.20 | |   |
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| 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1374 | 1.00 | 3 | 0.41 | 20 | 8.20 | |
|  Karia, Kamlesh | | | 1614 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Parfett, Gerald F | | | 1653 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Forbes, Douglas M | | | 1583 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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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