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Individual Calculations November 2019 |
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| Mallikarachchi, Kancha Total change: 48.80 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Colombo District - Under 15 Open | Colombo | SRI | 2019-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1077 | 1035 | 1.50 | 2 | 0.61 | 40 | 24.40 | |
|  Bandara, R M D T | | | 1144 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Wijesinghe, W P M Pasindu | | | 1009 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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 - Kurunegala District - Under 15 Open | Kurunegala | SRI | 2019-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1077 | 1035 | 1.50 | 2 | 0.61 | 40 | 24.40 | |
| | Bandara, R M D T | | | 1144 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Wijesinghe, W P M Pasindu | | | 1009 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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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