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Individual Calculations February 2020 |
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| Bullen, Alex Total change: -2.00 | |   |
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| South Wales New Year Open 2020 | Bridgend | WLS | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 2039 | 2.50 | 4 | -0.94 | 20 | -18.80 | |
|  Greatorex, Roger | | | 1729 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Sivarajasingam, Venetia | | wc | 1742 | WLS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Smith, Lynda | | wc | 1793 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Smith, George | | | 1639 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2019/20 4NCL Div 3 South Rounds 3 - 4 | Maidenhead | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2039 | 2.00 | 2 | 0.84 | 20 | 16.80 | |
| | Burrows, Nick | | | 1952 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Freeman, Richard C P | | | 2010 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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) | | |
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