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Individual Calculations September 2018 |
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| Bandara, Viduna Lewke Total change: -62.40 | |   |
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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 |
| 1146 | 1207 | 1.50 | 4 | -0.84 | 40 | -33.60 | |
|  Gayanuka, B D Omira | | | 1063 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | |  Abeykoon, M C H | | | 1021 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Kiriella, K G T S D | | | 1480 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Sathsara, E P Daham | | | 1021 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1186 | 1207 | 1.50 | 4 | -0.72 | 40 | -28.80 | |
| | Kodithuwakku, Lisara | | | 1607 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jayasinghe, Ranudhi | | | 1028 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Samarakoon, Rashmi Vihara | | | 1025 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Wijeratne, Tharin | | | 1085 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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