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Individual Calculations September 2018 |
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| Prabodhani, A W Buddhika Total change: 18.80 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1333 | 1.00 | 4 | 0.47 | 40 | 18.80 | |
|  Rathgalla, J M C B | | | 1670 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Ellepola, Charth | | | 1646 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | |  Pathum, G Saranga | | | 1657 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rajapaksha, A K | | | 1644 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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