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Individual Calculations July 2015 |
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| Balasuriya, Sajini Hasara Total change: -98.80 | |   |
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| 11th Asian Schools Chess Championships 2015 - Girls Under-17 | Singapore | SGP | 2015-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1579 | 3.00 | 7 | -0.64 | 40 | -25.60 | |
|  Ranasinghe, Thinithi Sahanika | | | 1710 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Hansani, B H Dureka | | | 1418 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Nihaya , Ahmed | | | 1243 | MDV | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Rathnayaka, R M P C | | | 1483 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Quek, Shi Ning Kristine | | | 1757 | AUS | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Samudin, Elina | | | 1645 | KGZ | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Odgerel, Jargalmaa | | | 1640 | MGL | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | Women's National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1571 | 3.50 | 8 | -1.83 | 40 | -73.20 | |
| | Sarathchandra, Thihansa Dewwanth | | | 1339 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Abeysinghe, H M H Janandani | | | 1444 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Sarathchandra, Gihansa M | | | 1298 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Gunawardana, I M T M | | | 1466 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Kodikara, K K M Sachintha | | wc | 1474 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Jayaweera, Sayuni Gihansa | | wc | 1439 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Rajapaksa, Miyuni Kavinya | | | 1583 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Udagedara, Sandali Kanishka | | | 1493 | SRI | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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