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Individual Calculations January 2011 |
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| Premachandra, G T D Total change: 12.15 | |   |
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| 2nd Ethugalpura Chess Challenge 2010 | Kurunegala | SRI | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 1920 | 2.50 | 5 | 0.81 | 15 | 12.15 | |
|  Jayaweera, C L | | | 1725 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Anuruddha, G C | | | 2145 | SRI | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Krishna, C R G | | | 2284 | IND | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Santoshkashyap, Hg | | | 1978 | IND | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Weerawardane, R | | | 2164 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | |
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