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Individual Calculations February 2019 |
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| Wiratunga, Jenith Total change: 119.20 | |   |
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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 |
| 1211 | 1349 | 5.50 | 8 | 0.14 | 40 | 5.60 | |
|  Randunu, S S M T | | | 1077 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Basnayake, Kaushal Chaturanga | | | 1154 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Ramilan, K | | | 1098 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Edirisinghe, Shanuka Dulnath | | | 1110 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Gamage, Liviru Hansana | | | 1199 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Akasha, J P Vihanga | | | 1435 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Sandaruwan, M G Ravindu | | | 1487 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Padukka, P V Gayuru Hansana | | | 1127 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1524 | 1292 | 4.50 | 7 | 2.84 | 40 | 113.60 | |
| | De Silva, Shelani | | | 1583 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Madushanka, Harsha | | | 1692 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Morais, Sanithu Leander Pamudith | | | 1507 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Fernando, H Methushi Amaya | | | 1096 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Siriwardane, A L | | | 1504 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Jayaweera, Y | | | 1689 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jayarathne, M N G | | | 1600 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | * 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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