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Individual Calculations September 2014 |
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| De Coverly, Roger D Total change: -22.20 | |   |
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| 101st British Senior Championship | Aberystwyth | ENG | 2014-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2024 | 3.00 | 6 | -0.12 | 20 | -2.40 | |
|  Szymanski, Mark | | | 1814 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Timson, Paul F | | | 2123 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Nicolson, Jim R | | | 1890 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Jackson, Oliver A | f | | 2133 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Pickersgill, Adrian O | | | 1990 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Bowmer, Kevin | | | 2090 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | 50th Berks and Bucks Chess Congress – Championship | Reading | ENG | 2014-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 2024 | 3.00 | 6 | -0.99 | 20 | -19.80 | |
| | Head, Louise | | | 1801 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Bourne, Johnathan D | | | 2010 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Leung, Simon C H | | | 1624 * | ENG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Amato, Giampiero | | | 1988 | ITA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Richmond, Jane | | wf | 2085 | WLS | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Shepherd, Katherine M | | | 1786 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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