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Individual Calculations January 2022 |
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| Gunawardhana, Devindya Oshini Total change: 60.40 | |   |
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| Sri Lanka Women's National B Chess Championship 2021 | Colombo | SRI | 2021-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1351 | 1390 | 5.50 | 9 | 0.57 | 40 | 22.80 | |
|  Kannangara, Ginuri | | | 1005 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Gamage, B K Sayumi Hasithma | | | 1154 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Newansa, M Esandi | | | 1121 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Tharushi, T H D Niklesha | | wc | 1712 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Gamage, Desandhi Dhihansa | | | 1302 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Mendis, Dasuni Hansika | | wf | 1665 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Attanayake, Chanindi Mewna | | | 1315 | SRI | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Vithanawasam, Oneli | | | 1349 | SRI | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Pallie, Ehsha Mishela | | wc | 1534 | SRI | 0.00 | 1 | -0.31 | 40 | -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) | | | | Asian Junior Girls Chess Championship 2021 | Waskaduwa | SRI | 2021-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1385 | 4.00 | 8 | 0.94 | 40 | 37.60 | |
| | Mahdian, Anousha | | wf | 1785 * | IRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Almaamari , Zainab Darwish | | wc | 1452 | UAE | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Savitha, Shri B | | wm | 1785 * | IND | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mohammadi, Melika | | | 1785 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Newansa, M Esandi | | | 1163 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Al Maamari, Wafia Darwish | | wf | 1785 * | UAE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gamage, B K Sayumi Hasithma | | | 1154 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Abdul Rasheed, Mariyam Laisa | | | 1180 | MDV | 1.00 | 1 | 0.24 | 40 | 9.60 | | | * 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) | | |
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