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Individual Calculations December 2017 |
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| Bryant, Richard B E Total change: -9.80 | |   |
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| 2017/18 4NCL Division 3 North Rounds 1-2 | Doncaster | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2026 | 1.50 | 2 | 0.21 | 20 | 4.20 | |
|  Lonsdale, Jon I | | | 1799 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Jennings, Roger W | | | 2029 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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) | | | | Preston Chess Congress | Preston | ENG | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2026 | 2.50 | 5 | -0.70 | 20 | -14.00 | |
| | Reed, John | | | 1884 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Patrick, David A | | | 1893 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Bimpson, Tom | | | 2009 | ENG | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Hymer, Barry | | | 1809 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Russell, Harry | | | 2008 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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