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Individual Calculations September 2018 |
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| Chamathka, Weerasinghe A Chethan Total change: -143.20 | |   |
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| Kandy Open International Rating Chess Championship 2018 | Kandy | SRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1273 | 1378 | 1.50 | 4 | -1.05 | 40 | -42.00 | |
|  Dassanayaka, D M S P | | | 1079 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Aluvihare, Shakila | | | 1738 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Gamage, Desandhi Dhihansa | | | 1096 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Bandara, W M Malitha | | | 1180 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1111 | 1378 | 4.00 | 8 | -2.53 | 40 | -101.20 | |
| | Morais, Sanuka Jude Vidunitha | | | 1020 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Silva, Haren Senura | | | 1153 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Weerasinghe, W Yasiru | | | 1008 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Mendis, Sandanu | | | 1059 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Yasarathne, B A D Rashmina Pramo | | | 1217 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Hemachandra, D K S Sethmika | | | 1136 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Selvarajah, Selvendra | | | 1198 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Gamage, A G R Ruwanmith | | | 1100 | SRI | 0.00 | 1 | -0.83 | 40 | -33.20 | |
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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