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Individual Calculations November 2022 |
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| Sanuda, Rehan Total change: 13.40 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1345 | 3.50 | 7 | 0.11 | 20 | 2.20 | |
|  Wijekoon, Chandana | c | | 1796 | SRI | 0.00 | 1 | -0.06 | 20 | -1.20 | |  Thamilkkumaran, Kannan | | | 1038 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Thilakaratna, B A Thevindu Kenula | | | 1052 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gunawardhana, Devindya Oshini | | | 1425 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | De Silva, Osheen | | | 1800 | SRI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Sandaruwan, K E Dineth | | | 1139 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Gunaweera, Geenuka Kavinu | | | 1412 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1345 | 2.50 | 5 | 0.56 | 20 | 11.20 | |
| | Madushanka, Harsha | | | 1680 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Somarathne, Subhaga Kushali | | | 1107 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Wimalasuriya, Kasun M. | c | | 1816 | SRI | 0.50 | 1 | 0.45 | 20 | 9.00 | | | Perera, Thisara Randinu | | | 1032 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Jayaweera, Y | | | 1697 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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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