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Individual Calculations September 2018 |
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| Collins, Jonathan Total change: 46.80 | |   |
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| 105th British Championships Weekend Open | Hull | ENG | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1804 | 2.00 | 3 | 0.93 | 20 | 18.60 | |
|  Ackley, Peter J E | | | 2016 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Schmerwitz, Reinhard | | | 1764 | GER | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Doran, Chris | | | 1967 | ENG | 1.00 | 1 | 0.72 | 20 | 14.40 | |
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) | | | | 105th British Championships Major Open | Hull | ENG | 2018-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1804 | 3.50 | 7 | 1.46 | 20 | 29.20 | |
| | Warren, Alex M | | | 2011 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Boswell, Jacob Connor | | | 1992 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Howell, Oliver W | | | 1905 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Salmons, Calum | | | 1923 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Modi, Shyam Jagdish | | | 1973 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Yoon, Jacob D | | | 2039 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Anilkumar, Anantha P | | | 1903 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | 105th British Championships Morning Open | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1804 | 1.50 | 5 | -0.05 | 20 | -1.00 | |
| | Iyengar, Ilya | | | 2017 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Evans, Nicholas Thomas | | | 1885 | WLS | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Bird, Joel | | | 2003 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Staniland, Philip | | | 1965 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Clanchy, Nicholas | | | 1877 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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