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Individual Calculations February 2018 |
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| Dahanayake, Isara Banidu Total change: -74.80 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1202 | 1556 | 5.50 | 8 | -1.63 | 40 | -65.20 | |
|  Dulmeth, W W Sandunu | | | 1156 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Saravanabaavan, Yughatharoon | | | 1156 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Weerasinghe, Sethum | | | 1224 | SRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Morais, Sanithu Leander Pamudith | | | 1186 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Jayawardena, Sadev Dinuja | | | 1156 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vithanage, H Yasindu Rashmika | | | 1253 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Nethmina, S A Indura | | | 1277 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Perera, S D Lahiru | | | 1207 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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) | | | | 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 |
| 1301 | 1566 | 3.00 | 4 | -0.24 | 40 | -9.60 | |
| | Chandrasekara, C M L R B | | | 1423 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | De Avis, Tharun Anjalo | | | 1166 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Omaththage, S Y | | | 1344 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Premanath, Prasansa | | | 1272 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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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