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Individual Calculations February 2019 |
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| Wijeratne, Rehan Nawantha Total change: 48.40 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1102 | 1.50 | 4 | 0.79 | 40 | 31.60 | |
|  Dineth, S A Induwara | | | 1315 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Senevirathne, S D B K | | | 1406 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Basnayake, B M Thesandu Aken | | | 1301 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Saravanabaavan, Brijeash | | | 1469 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |
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 |
| 1432 | 1102 | 1.00 | 4 | 0.42 | 40 | 16.80 | |
| | De Silva, Shelani | | | 1502 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, Chamindra | | | 1502 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Nisansala, P K T | | | 1502 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Perera, Isara Ranmeth | | | 1221 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | * 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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