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Individual Calculations September 2015 |
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| Randil, Lakshitha Total change: -0.80 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1887 | 7.00 | 9 | 0.52 | 20 | 10.40 | |
|  Jayawardana, Lesath Thewnija | | | 1487 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lakshan, G Dilina Udeepa | | | 1487 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Herath, H M S S A | | | 1569 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Siriwardena, G T D | | | 1534 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Dassanayake, D M G S | | | 1927 | SRI | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Anojman, S. | | | 1707 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Liyanage, Ranindu Dilshan | | | 1622 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Lamawansa, Yasas | | | 1977 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Gunasinghe, W A T S | | | 1887 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1887 | 6.50 | 9 | -0.56 | 20 | -11.20 | |
| | Boricha, Yohan | | | 1487 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Siriwardena, G T D | | | 1534 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Mendis, B M A | | | 1487 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dabare, Pulasthi | | | 1536 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Samaranayake, K P R N | | | 1786 | SRI | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Madusanka, L D P | | | 1740 | SRI | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Weerasinghe, Chamath | | | 1818 | SRI | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Ranasinghe, S D | | wm | 1761 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kotalawala, Vinodh | | | 1617 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | * 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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