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Individual Calculations February 2018 |
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| Dahanayake, Kalindu Total change: -10.00 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 17 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1564 | 1.50 | 4 | 0.24 | 40 | 9.60 | |
|  Deegoda, S R | | | 1778 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Anojman, S. | | | 1751 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Lahiru, N P G Sithija | | | 1865 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Fernando, M Tharusha Randima | | | 1476 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 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 |
| 1359 | 1564 | 1.00 | 2 | -0.49 | 40 | -19.60 | |
| | Herath, H M H C B | | | 1480 | SRI | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Devnaka, Chamin | | | 1238 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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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