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Individual Calculations September 2017 |
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| Lewis, Andrew P Total change: 20.40 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2252 | 5.00 | 7 | 1.02 | 20 | 20.40 | |
|  Smith, Graham | | | 2000 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Fegan, Chris | | | 2052 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Brooks, Phil J | | | 2191 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Nunn, John Dm | g | | 2581 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Chandler, Cliff R | | | 2269 | ENG | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Chapman, Terry Pd | f | | 2250 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Dilleigh, Stephen P | | | 2075 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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