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Individual Calculations August 2018 |
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| Askey, Roshell Nathasha Total change: -46.40 | |   |
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| Sri Lanka National Amature Women's Chess Championship 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1591 | 6.00 | 8 | -0.01 | 40 | -0.40 | |
|  Kumarasinghe, Minuli | | | 1191 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Wijesinghe, W M M N | | | 1294 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Mapa, M M W H | | | 1297 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Yapa Bandara, Chamodya | | | 1575 | SRI | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Fernando, G W Nethmi L | | | 1495 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Poththewala, Chamindi | | | 1191 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rathnayake, Maheesha Pabodhini | | | 1260 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Udagedara, Sandali Kanishka | | | 1636 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | * 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) | | | | 14th Asian Schools Chess Championship 2018 - under 17 Girls | Waskaduwa | SRI | 2018-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1591 | 3.50 | 8 | -1.15 | 40 | -46.00 | |
| | Wijesiri, Dileka | | | 1226 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Usupbekova, Zarina | | | 1651 | KGZ | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Saparova, Sitora | | | 1816 | UZB | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Yapa Bandara, Chamodya | | | 1575 | SRI | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Herath, Uthpala Shanika | | | 1419 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Gunasekara, Ayodya Nethmini | | | 1290 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Thuduwage, Yasasirini Pabasara | | | 1512 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Arushi, Kotwal | | | 1662 | IND | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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