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Individual Calculations February 2018 |
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| Baratha Yomal, N W A Total change: -6.40 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1133 | 0.00 | 3 | -0.32 | 40 | -12.80 | |
|  Piyumantha, M Thisal Manjith | | | 1514 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Lakmal, M A C | | | 1492 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Gunarathna, D A Viraj Darshana | | | 1455 | SRI | 0.00 | 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) | | | | 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 |
| 1154 | 1133 | 3.00 | 6 | 0.16 | 40 | 6.40 | |
| | Nethmina, S A Indura | | | 1277 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Adikari, Nipun Dinuka | | | 1033 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Thenuwara, Rashmika | | | 1275 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Jayasinghe, Banula Nimesh | | | 1031 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Alwela, Senuja Thimeth | | | 1252 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Vishwakumar, R | | | 1058 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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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