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Individual Calculations January 2020 |
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| Bandara, T B S H Total change: -13.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1526 | 5.00 | 7 | -0.13 | 20 | -2.60 | |
|  Gunathilaka, G A Z W | | | 1126 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Amarathunga, W A S V | | | 1181 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Pathmasiri, R D Isuru Saranga | | | 1299 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | De Silva, L M S T | f | | 1926 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Siyambalapitiya, S V D S | | | 1242 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Wijesinghe, W M M N | | | 1346 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Anparasan, T | | | 1207 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * 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 Women Chess Championship 2019 | Colombo | SRI | 2019-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1433 | 1526 | 2.50 | 5 | -0.52 | 20 | -10.40 | |
| | Lavanya, Logeswaran | | | 1142 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Yapa Bandara, Chamodya | | | 1536 | SRI | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Shazna Lye, Gnei | | | 1170 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Saumy, Zainab | | wf | 1879 | SRI | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Wickramasinghe, Minethma Lasandi | | wc | 1440 | SRI | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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) | | |
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