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Individual Calculations September 2017 |
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| Forbes, Douglas M Total change: -42.20 | |   |
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| 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1583 | 0.00 | 4 | -2.11 | 20 | -42.20 | |
|  McCormick, Graeme | | | 1692 | IRL | 0.00 | 1 | -0.35 | 20 | -7.00 | |  Grice, Alec | | | 1667 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Fraser, Alan R | | | 1374 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Miles, Barry S | | | 1502 | ENG | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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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