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Individual Calculations February 2018 |
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| Upananda, K Y Sasmitha Total change: 11.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1632 | 5.50 | 8 | 0.43 | 40 | 17.20 | |
|  Jayamaha, J M L R Bandara | | | 1232 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Dharmasena, K Kavinu Ransara | | | 1257 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Jayasena, Tharaka Udayanga | | | 1383 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Liyanage, Ranindu Dilshan | c | | 2016 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Dissanayake , Sithila C | | | 1328 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Vidyarathna, Anjitha | | | 1518 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Jayasundara, J J M Y Adithya B | | | 1530 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Theekshana, H G Denuwan | | | 1894 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1615 | 3.00 | 4 | -0.15 | 40 | -6.00 | |
| | De Silva, L M S T | f | | 1609 | SRI | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Sulaxan, K | | | 1215 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Attanayaka, Amoda Yehen | | | 1378 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Weerakoon, Naveen Chathuranga | | | 1215 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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