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Individual Calculations February 2020 |
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| Mellor, Jessica Total change: -25.20 | |   |
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| Hastings Weekend Open 2020 | Hastings | ENG | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1633 | 0.50 | 3 | -0.30 | 40 | -12.00 | |
|  Rayner, Francis | | | 2019 | WLS | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Graham, Cassie M | | | 2016 | ENG | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Vaidya, Raghav | | | 1547 | ENG | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 2019/20 4NCL Div 2 Rounds 3 - 4 | Daventry | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1633 | 0.50 | 2 | -0.05 | 40 | -2.00 | |
| | Webster, Richard J | | | 1957 | ENG | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Stoica, Savas Marin | | | 1689 | ENG | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 78th Hampstead FIDE Chess Congresses U2200 Jan 2020 | London | ENG | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1633 | 0.50 | 3 | -0.28 | 40 | -11.20 | |
| | Finn, Peter | | | 1906 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Llewellyn, Julian D | | | 1747 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Rubeck, Jonathan | | | 1804 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | |
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