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Individual Calculations October 2019 |
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| Jestico, John V Total change: -18.80 | |   |
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| 106th British Championships Under 1750 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1346 | 0.50 | 4 | -0.47 | 40 | -18.80 | |
|  Howell, Matthew G | | | 1587 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Williams, Dave J | | | 1519 | WLS | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Sandercock, E Barry | | | 1593 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Daly, Grant | | | 1489 | ENG | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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