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Individual Calculations February 2020 |
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| Subaweera, Senuka Sendinu Total change: -22.40 | |   |
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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 |
| 1261 | 1119 | 0.50 | 3 | -0.53 | 40 | -21.20 | |
|  Nabil Nazar, Mohamed | | | 1494 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Rashmitha, W G Kavindu | | | 1009 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Hewawasam, H Y Thisaga Manvidu | | | 1280 | SRI | 0.00 | 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1119 | 0.50 | 4 | -0.03 | 40 | -1.20 | |
| | Jayaweera, Y | | | 1519 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, J I Ajantha | | | 1335 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Judedorison, G | | | 1477 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Udumullage, Senuja Dilmith | | | 1439 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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) | | |
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