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Individual Calculations September 2018 |
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| Bird, Joel Total change: -72.00 | |   |
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| 105th British Championships Morning Open | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 2003 | 2.50 | 5 | -1.32 | 40 | -52.80 | |
|  Rahulan, Thivyaa | | | 1774 | ENG | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Cresswell, Mike J | | | 1692 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Collins, Jonathan | | | 1804 | ENG | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Bryant, Richard B E | | | 1944 | ENG | 1.00 | 1 | 0.42 | 40 | 16.80 | | | See, Tristian | | | 1734 | ENG | 0.00 | 1 | -0.83 | 40 | -33.20 | |
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) | | | | 64th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 2003 | 2.50 | 4 | -0.48 | 40 | -19.20 | |
| | Kirupakaran, Vishnu | | | 1786 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Tselos, Aristotelis | | | 1603 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Everett, Joe | | | 1903 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Varney, Daniel | | | 1899 | ENG | 0.00 | 1 | -0.64 | 40 | -25.60 | | | * 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) | | |
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