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Individual Calculations January 2020 |
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| Akuratiya, A G Javindi Avarjana Total change: -4.80 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1162 | 0.00 | 4 | -0.35 | 40 | -14.00 | |
|  Uduwala, Pramod Dimuthu | | | 1562 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lakshitha, H H Sasindu | | | 1562 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Dilhara, R.m. Themiya | | | 1562 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Thenuwara, Rashmika | | | 1513 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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) | | | | Sri Lanka Inter Club Women Chess Championship 2019 | Colombo | SRI | 2019-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1206 | 1162 | 0.00 | 1 | -0.44 | 40 | -17.60 | |
| | Alwis, Jenuki | | | 1206 | SRI | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1162 | 2.00 | 5 | 0.67 | 40 | 26.80 | |
| | Sanudula, K M Dahamdi | | wc | 1464 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Chandula, E D S | | | 1515 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Jayaweera, Hashan | | | 1422 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Herath, H M S S A | | | 1427 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wijenayake, Thamidu Pamosha | | | 1006 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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) | | |
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