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Individual Calculations October 2020 |
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| Wilvalaarachchi, Oneli Omaya Total change: 46.00 | |   |
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| Inaugural Sri Lanka Youth Girls Chess Grand Prix 2020 - Group X | Colombo | SRI | 2020-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1378 | 10.00 | 11 | 1.87 | 40 | 74.80 | |
|  Ramanayake, Nemindi Linaya | | | 1339 | SRI | 0.50 | 1 | -0.05 | 40 | -2.00 | |  Fernando, T Suheli H | | | 1133 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Fernando, Nethmi Vimansa | | | 1045 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Bandara, Prathibha Nethsarani | | | 1011 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Munasinghe, M A D D D | | | 1052 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Abeysekara, Yasasi Geemini | | | 1217 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sanudula, K M Dahamdi | | wc | 1457 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Gunawardhana, Devindya Oshini | | | 1288 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Fernando, H Methushi Amaya | | | 1159 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Akuratiya, A G Javindi Avarjana | | | 1221 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sithumsa, H G Sasmi | | | 978 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 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 |
| 1216 | 1398 | 1.00 | 2 | -0.48 | 40 | -19.20 | |
| | Marasinghe, Chanethma Devangi | | | 1216 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Marasinghe, Chanethma Devangi | | | 1216 | SRI | 0.00 | 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 - Consolation Finals | Colombo | SRI | 2020-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1398 | 0.50 | 2 | -0.24 | 40 | -9.60 | |
| | Pallie, Ehsha Mishela | | wc | 1491 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Pallie, Ehsha Mishela | | wc | 1491 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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