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Individual Calculations February 2019 |
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| Waduge, S S A Total change: -22.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 15 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1026 | 0.50 | 3 | -0.12 | 40 | -4.80 | |
|  Waranga, M G Yasasmi | | | 1426 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pathirana, W P Voji Nimla | | | 1199 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Rathnayake, R M P N | | | 1205 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | * 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1331 | 1026 | 0.00 | 3 | -0.45 | 40 | -18.00 | |
| | Akasha, J P Vihanga | | | 1426 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nanayakkara, P N J | | | 1325 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Himsara, W A Janidu | | | 1242 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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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