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Individual Calculations September 2013 |
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| Jayaratne, J P S S Total change: -20.40 | |   |
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| 6th Colombo International Chess Championships 2013 | Colombo | SRI | 2013-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1533 | 0.00 | 4 | -1.36 | 15 | -20.40 | |
|  De Silva, Osheen | | | 1883 | SRI | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Naotunna, Dineth Nimnaka | | | 1779 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Kulasinghe, S A Nipuna | | | 1716 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kodikara, K K M Sachintha | | | 1290 | SRI | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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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