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Individual Calculations September 2019 |
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| Wijerathne, Surath Total change: -17.00 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1255 | 1423 | 5.00 | 7 | 0.03 | 20 | 0.60 | |
|  Weerathungalage, W D Malisha Sasv | | | 1158 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Yashora, Tiumi | | | 1659 | SRI | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Herath, H M J R | | | 1211 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Gunathilake, M D Vinuda Shenal | | | 1207 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Maithripala, W D P N | | | 1175 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Ranganath, Tharuli Vihasna | | | 1193 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Kathriarachchi, Dini Nathyaa | | | 1181 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1089 | 1423 | 0.00 | 1 | -0.88 | 20 | -17.60 | |
| | Marasinghe, Chanethma Devangi | | | 1089 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | |
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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