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Individual Calculations February 2019 |
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| Perera, Isara Ranmeth Total change: 78.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1229 | 4.50 | 8 | -0.25 | 40 | -10.00 | |
|  Perera, A Dinuka Kanchana | | | 1023 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | De Silva, L M S T | f | | 1629 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Mathes Arachchi, Bhanila M | | | 1441 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Nawanjana, R A Thaweesha | | | 1069 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Deshapriya, A M M Nandula | | | 1040 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Gamage, Sanula Udan | | | 1058 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Pavalan, Thaneshkumar | | | 1002 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Randunu, S S M T | | | 1077 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | * 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 |
| 1477 | 1221 | 3.50 | 6 | 2.20 | 40 | 88.00 | |
| | De Silva, Chamindra | | | 1520 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Amarasinghe, A A C B | | | 1621 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wettasinha, Vasanta | | | 1621 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Wijeratne, Rehan Nawantha | | | 1102 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Morais, Sanithu Leander Pamudith | | | 1507 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Liyanage, Pesandu Rashmitha | | | 1489 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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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