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Individual Calculations July 2012 |
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| Bucher, Grant W Total change: -4.80 | |   |
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| 4NCL | Various | ENG | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2011 | 4.00 | 9 | -0.34 | 15 | -5.10 | |
|  Hewitt, Sean D | | | 1872 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Ball, Laurence | | | 2055 | RSA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Campbell, Mark C | | | 1982 | ENG | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Lambourne, Daniel M | | | 1981 | ENG | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Boulton, William Jk | | | 2043 | ENG | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Almond, Richard J | | | 2115 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Gavriel, Tryfon C | c | | 2156 | ENG | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Gibson, Christopher A | | | 2009 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Garnett, John S | | | 2008 | ENG | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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 |
| 1907 | 2011 | 4.50 | 7 | 0.02 | 15 | 0.30 | |
| | Kelly, Anthony | | | 1842 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Tobisch, John | | | 1914 | GER | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Oyama, Akito | | | 1904 | ENG | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Bennett, Eric | | | 1953 | IRL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Marley, Andrew | | | 1929 | ENG | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Ai, Farshad | | | 1894 | ENG | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Orishko, Ostap | | | 1914 | UKR | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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