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Individual Calculations September 2017 |
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| Boswell, Jacob Connor Total change: -115.01 | |   |
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| 104th British Championships Major Open | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1914 | 5.00 | 9 | -1.43 | 31 | -44.33 | |
|  Metcalfe, Charlie P | | | 1713 | ENG | 0.50 | 1 | -0.26 | 31 | -8.06 | |  Somton, Anita | | | 1705 | ENG | 0.00 | 1 | -0.77 | 31 | -23.87 | | | Davidson, Laura J | | | 1564 | ENG | 0.50 | 1 | -0.39 | 31 | -12.09 | | | Karia, Rishul | | | 1776 | ENG | 0.50 | 1 | -0.19 | 31 | -5.89 | | | Neale, George | | | 1635 | ENG | 1.00 | 1 | 0.16 | 31 | 4.96 | | | Camp, Imogen Al | | wc | 1802 | WLS | 0.50 | 1 | -0.15 | 31 | -4.65 | | | Forster, James Connor C | | | 1862 | RSA | 0.50 | 1 | -0.07 | 31 | -2.17 | | | Mulay, Partha | | | 1815 | ENG | 1.00 | 1 | 0.36 | 31 | 11.16 | | | Hilton, Tim | | | 1826 | ENG | 0.50 | 1 | -0.12 | 31 | -3.72 | |
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 Under 16 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1914 | 4.00 | 7 | -0.85 | 31 | -26.35 | |
| | Balouka-Myers, Gabriel | | | 1686 | ENG | 1.00 | 1 | 0.21 | 31 | 6.51 | | | Camp, Imogen Al | | wc | 1802 | WLS | 0.50 | 1 | -0.15 | 31 | -4.65 | | | Nayak, Raghav | | | 1737 | ENG | 0.00 | 1 | -0.73 | 31 | -22.63 | | | Sivarajasingam, Shayanna | | wc | 1774 | WLS | 0.50 | 1 | -0.19 | 31 | -5.89 | | | Rajesh, Gorak | | | 1763 | ENG | 1.00 | 1 | 0.30 | 31 | 9.30 | | | Ramaiya, Anshu | | | 1807 | ENG | 0.00 | 1 | -0.65 | 31 | -20.15 | | | Jain, Gautam R | | | 1812 | ENG | 1.00 | 1 | 0.36 | 31 | 11.16 | |
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) | | | | Leyland Chess Congress FIDE Open 2017 | Leyland | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1914 | 2.00 | 6 | -1.43 | 31 | -44.33 | |
| | Richmond, Jane | | wf | 2121 | WLS | 0.00 | 1 | -0.23 | 31 | -7.13 | | | Llewellyn, Alan M | | | 1514 * | ENG | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Peacock, Malcolm R | | | 2051 | ENG | 0.00 | 1 | -0.32 | 31 | -9.92 | | | Paterson, Andrew I | | | 2076 | ENG | 0.50 | 1 | 0.21 | 31 | 6.51 | | | Rahulan, Thivyaa | | | 1709 | ENG | 0.50 | 1 | -0.26 | 31 | -8.06 | | | Frith, Shane S | | | 1539 | ENG | 0.00 | 1 | -0.91 | 31 | -28.21 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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