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Individual Calculations January 2020 |
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| Sanudula, K M Dahamdi Total change: 21.20 | |   |
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| Sri Lanka Inter Club Women Chess Championship 2019 | Colombo | SRI | 2019-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1464 | 2.00 | 3 | 0.99 | 40 | 39.60 | |
|  Nanayakkara, Janani | | | 1444 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Pavalachandran, Ashvini | | | 1726 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Udupitiya, U G S S S | | | 1614 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1464 | 6.50 | 9 | -0.46 | 40 | -18.40 | |
| | Morais, Sanuka Jude Vidunitha | | | 1064 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Jayawardana, Lesath Thewnija | | | 1113 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Akuratiya, A G Javindi Avarjana | | | 1162 | SRI | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Apeksha, M D C | | | 1064 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wijerathne, K G D Yonal | | | 1167 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Anattapathirana, Pamith Kithmin | | | 1150 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Jayasinghe, Keeth M S | | | 1788 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ranganath, Tharuli Vihasna | | | 1268 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Dissanayake, D M Madushan Sameer | | | 1234 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * 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) | | |
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