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Individual Calculations September 2018 |
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| Wickramathunga, Thameera Total change: -66.00 | |   |
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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 |
| 1666 | 1364 | 1.00 | 4 | 0.42 | 40 | 16.80 | |
|  Siriwardena, Chirath | | | 1673 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Pathum, G Saranga | | | 1657 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Perera, K L D J | | | 1668 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Kondagoda, P. M. B. | | | 1666 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | Kandy Open International Rating Chess Championship 2018 | Kandy | SRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1056 | 1364 | 0.50 | 3 | -2.07 | 40 | -82.80 | |
| | Gayanuka, B D Omira | | | 1063 | SRI | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Kathriarachchi, Dini Nathyaa | | | 1084 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Abeykoon, M C H | | | 1021 | SRI | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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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