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Individual Calculations February 2018 |
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| Gamage, Ovin Vidmal Total change: 18.80 | |   |
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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 |
| 1400 | 1568 | 5.50 | 8 | -0.03 | 40 | -1.20 | |
|  Revaldo, L H T | | | 1168 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Weththawa, B G E D | | | 1244 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Dissanayake , Sithila C | | | 1328 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Askey, Raveen Nimesh | | | 1406 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Sanuda, Rehan | | | 1178 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Devnaka, Chamin | | | 1238 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Pallie, Tuan Ehshan | | | 1668 | SRI | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Liyanage, Ranindu Dilshan | c | | 1968 * | SRI | 0.00 | 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) | | | | 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 |
| 1386 | 1568 | 4.00 | 5 | 0.50 | 40 | 20.00 | |
| | Siriwardana, A I B | | | 1174 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Amarasinghe, Kavithma Gayuni | | | 1195 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Dipsara, K M Dumal Kavish | | | 1445 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Theekshana, H G Denuwan | | | 1918 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Saai Syvendra, S | | | 1199 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |
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) | | |
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