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Individual Calculations February 2020 |
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| Induwara, T H D Thisarindu Total change: 49.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1204 | 2.00 | 5 | 0.70 | 40 | 28.00 | |
|  Kumara, C M S Praneeth | | | 1604 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sivathanujan, S | | | 1604 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ekanayake, Hasindu Chiranga | | | 1419 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Samarakoon, Vivash Ransara | | | 1030 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Kulathilake, S M M P | | | 1471 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | * 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) | | | | Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1204 | 1.00 | 1 | 0.54 | 40 | 21.60 | |
| | Hansana, G Haritha | c | | 1233 | SRI | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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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