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Individual Calculations October 2020 |
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| Marasinghe, Chanethma Devangi Total change: 125.20 | |   |
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| Inaugural Sri Lanka Youth Girls Chess Grand Prix 2020 - Group Y | Colombo | SRI | 2020-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1226 | 9.00 | 11 | 2.61 | 40 | 104.40 | |
|  Weerathunga, W Gimashi Dewlini | | | 1024 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Thennakoon, Rumethma | | | 1127 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Sandanayake, Dehansa Nisanduni | | | 1214 | SRI | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Rathnayake, Tenuli Dhahamna | | | 1131 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Ranganath, Tharuli Vihasna | | | 1272 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Apeksha, M D C | | | 1026 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Attanayake, Chanindi Mewna | | | 1441 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Bimansa, D G Jayandi | | | 956 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Sanulya, G H S | | | 995 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Alwis, Jenuki | | | 1205 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Pallie, Ehsha Mishela | | wc | 1406 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Inaugural Sri Lanka Youth Girls Chess Grand Prix 2020 - Semi Final 1 | Colombo | SRI | 2020-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1216 | 1.00 | 2 | 0.48 | 40 | 19.20 | |
| | Wilvalaarachchi, Oneli Omaya | | | 1398 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wilvalaarachchi, Oneli Omaya | | | 1398 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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) | | | | Inaugural Sri Lanka Youth Girls Chess Grand Prix 2020 - Finals | Colombo | SRI | 2020-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1216 | 0.50 | 2 | 0.04 | 40 | 1.60 | |
| | Sanudula, K M Dahamdi | | wc | 1430 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Sanudula, K M Dahamdi | | wc | 1430 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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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