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Individual Calculations January 2011 |
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| Othman, Mustapha Total change: 55.50 | |   |
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| e2e4 Brighton Major | Brighton | ENG | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1699 | 1.00 | 1 | 0.78 | 25 | 19.50 | |
|  Hjort, Helge | | | 1916 | DEN | 1.00 | 1 | 0.78 | 25 | 19.50 | |
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) | | | | London Chess Classic Open | London | ENG | 2010-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1699 | 2.50 | 4 | 1.44 | 25 | 36.00 | |
|  Malhotra, Tarun | | | 1913 | ENG | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Haddock, Paul | | | 1793 | ENG | 1.00 | 1 | 0.63 | 25 | 15.75 | | | De Luna Butz, Alberto | | | 1846 | ESP | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Crichton, Martin | | | 1978 | IRL | 0.50 | 1 | 0.34 | 25 | 8.50 | |
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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