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Individual Calculations January 2011 |
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| Perera, B S Total change: 7.50 | |   |
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| 2nd Ethugalpura Chess Challenge 2010 | Kurunegala | SRI | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1540 | 0.50 | 2 | 0.30 | 25 | 7.50 | |
|  Lasitha, Subash | | | 1882 | SRI | 0.50 | 1 | 0.38 | 25 | 9.50 | |  Tejaswini, Reddy S | | | 1940 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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