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Individual Calculations July 2012 |
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| Othman, Musstapha Total change: 14.40 | |   |
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| e2e4 Amersham Challengers | London | ENG | 2012-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1857 | 4.00 | 5 | 1.27 | 15 | 19.05 | |
|  Kalaiyalahan, Akshaya | | | 1646 | ENG | 0.50 | 1 | -0.27 | 15 | -4.05 | |  Alcock, Graham P | | | 1692 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Nyman, John C H | | | 1897 | ENG | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Tobisch, John | | | 1914 | GER | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Hayward, Alan | | | 1948 | ENG | 0.50 | 1 | 0.12 | 15 | 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) | | | | e2e4 London Diamond Jubilee Congress Challengers | London | ENG | 2012-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1857 | 2.00 | 5 | -0.31 | 15 | -4.65 | |
| | Cairns, Stephen | | | 2032 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Gibbs, Daniel C | | | 1793 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Liang, Jake | | | 1734 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Marley, Andrew | | | 1929 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Payne, Matthew J | | | 1944 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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