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Individual Calculations September 2017 |
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| Hughes, Gavin James Total change: -51.60 | |   |
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| 104th British Championships Major Open | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1849 | 1.50 | 6 | -1.77 | 40 | -70.80 | |
|  Costley, Martin O | | | 2124 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Chauhan, Pranay | | | 1769 | ENG | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Sivarajasingam, Shayanna | | wc | 1774 | WLS | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Sivarajasingam, Venetia | | wc | 1710 | WLS | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Modi, Kishan J | | | 1725 | ENG | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Wilson, Matthew R | | | 1829 | ENG | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1849 | 2.00 | 5 | 0.48 | 40 | 19.20 | |
| | Alkhateeb, Taher | c | | 2015 | KUW | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Jamroz, Krzysztof | | | 1989 | POL | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Villiers, Thomas | | | 2122 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Whitehead, Mark A | | | 1917 | ENG | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Gostelow, David W | | | 1959 | ENG | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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