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Individual Calculations July 2011 |
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| Viththiyarani, S Total change: -30.25 | |   |
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| Dhamso International Chess Festival | Ambalangoda | SRI | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1909 | 2.00 | 4 | -1.21 | 25 | -30.25 | |
|  Malawara, Arachchi Devin Akila | | | 1511 | SRI | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Weerakoon, D D P | | | 1678 | SRI | 0.50 | 1 | -0.29 | 25 | -7.25 | | | Karunarathna, Chathupa Induwara | | | 1542 | SRI | 1.00 | 1 | 0.10 | 25 | 2.50 | |  Yaparathne, B K B | | | 1839 | SRI | 0.00 | 1 | -0.60 | 25 | -15.00 | |
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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