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Individual Calculations February 2020 |
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| Senavirathna, U G D H B Total change: -2.80 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1114 | 1070 | 0.50 | 2 | -0.39 | 40 | -15.60 | |
|  Perera, M S Anuk | | | 1022 | SRI | 0.50 | 1 | -0.07 | 40 | -2.80 | |  Attanayaka, Chamath | | | 1205 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1070 | 0.50 | 2 | 0.32 | 40 | 12.80 | |
| | Siriwardane, A L | | | 1438 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Pallie, Ehsha Mishela | | wc | 1470 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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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