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Individual Calculations October 2019 |
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| Archer-Lock, Helen Total change: 27.20 | |   |
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| 106th British Championships Under 1750 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1406 | 1.50 | 3 | 0.68 | 40 | 27.20 | |
|  Zheng, William | | | 1621 | ENG | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Gunn, Michael J | | | 1634 | ENG | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Woolacott, Rob | | | 1492 | ENG | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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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