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Individual Calculations September 2019 |
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| Patrick, David A Total change: -3.80 | |   |
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| 106th British Championships Under 1900 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1897 | 2.00 | 3 | -0.19 | 20 | -3.80 | |
|  O`gorman, Brendan | | | 1722 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Tarbuck, Laurence Jm | | | 1650 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Ramdewar, Ishan | | | 1790 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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