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Individual Calculations July 2012 |
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| Tobisch, John Total change: 12.15 | |   |
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| e2e4 Amersham Challengers | London | ENG | 2012-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1914 | 3.00 | 5 | -0.29 | 15 | -4.35 | |
|  Clayton, Tristan | | | 1817 | ENG | 0.50 | 1 | -0.13 | 15 | -1.95 | |  Torrance, John | | | 1719 | SCO | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Boudkeev, Timour | | | 1829 | SUI | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Othman, Musstapha | | | 1857 | NGR | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Colter, Nigel | | | 1754 | ENG | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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 |
| 1928 | 1914 | 4.00 | 6 | 1.10 | 15 | 16.50 | |
| | Kourtseva, Julie | | | 1784 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Bucher, Grant | | | 2011 | ENG | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Lunn, Matthew | | | 1967 | ENG | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Bryant, Richard | | | 1960 | ENG | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Ai, Farshad | | | 1894 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Bennett, Eric | | | 1953 | IRL | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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