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Individual Calculations July 2012 |
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| Nwachukwu, Chino Total change: -20.70 | |   |
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| 4NCL | Various | ENG | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1971 | 2.00 | 4 | 0.20 | 15 | 3.00 | |
|  Brown, David E | | | 1964 | ENG | 0.50 | 1 | -0.01 | 15 | -0.15 | | | French, Angus J | | | 2077 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Perrett, David C | | | 1960 | WLS | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Botham, C Paul | | | 2033 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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 |
| 1952 | 1966 | 0.50 | 4 | -1.58 | 15 | -23.70 | |
| | Cairns, Stephen | | | 2032 | ENG | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Orishko, Ostap | | | 1914 | UKR | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Sagues, Vincent | | | 1957 | FRA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Oyama, Akito | | | 1904 | ENG | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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