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Individual Calculations February 2019 |
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| Weerawardana, Ushan Thashitha K Total change: 123.60 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1103 | 1.50 | 6 | 0.22 | 40 | 8.80 | |
|  Vidyarathna, Anjitha | | | 1503 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Praveen Manodya | | | 1372 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Wiijesinghe , Pasan Januda | | | 1301 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Weerasinghe, W Yasiru | | | 1343 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Jayawardana, T M A | | | 1227 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Rasanjana, U G S Y | | | 1290 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1103 | 4.00 | 8 | 2.87 | 40 | 114.80 | |
| | Jayarathne, M N G | | | 1503 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Akasha, J P Vihanga | | | 1440 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | De Silva, Osheen | | | 1503 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gunarathna, D A Viraj Darshana | | | 1435 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Samaraweera, Dimuth Indeepa | | | 1447 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Alwala, A D Hansaja Ramith | | | 1431 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1368 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Gamarathne, Oneth | | | 1256 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | |
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