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Individual Calculations January 2020 |
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| Wijekoon, Chandana Total change: 7.60 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1905 | 7.50 | 9 | 0.33 | 20 | 6.60 | |
|  Botheju, Kavindu Lakshan | | | 1505 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Siyambalapitiya, S V D S | | | 1505 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bentharaarachchi, Vinuga Ometh | | | 1505 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wiratunga, Jenith | | | 1505 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2070 | SRI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Madusanka, L D P | | | 1669 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Kiriella, K G T S D | | | 1699 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Jayaweera, Y | | | 1724 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Deshappriya, D Kalindu | | | 1519 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | | | Sri Lanka Inter Club Super League Chess Championship 2019 | Colombo | SRI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1905 | 4.00 | 9 | 0.05 | 20 | 1.00 | |
| | Ilampoornan, Raguparan | | | 1948 | SRI | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Dickmadugodage, Ravi Prabath | | | 1889 | SRI | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Doluweera, Minul Sanjula | f | | 2197 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Sumit, Kumar | | | 2203 | IND | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Gunaratne, Mojitha Sathsara | c | | 1956 | SRI | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Perera, W C C | c | | 2025 | SRI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Akasha, J P Vihanga | | | 1505 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Gihan | | | 1784 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Koggala, W S Vidura K | | | 2020 | SRI | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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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