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Individual Calculations May 2017 |
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| Chamathka, Weerasinghe A Chethan Total change: -2.40 | |   |
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| Sri Lanka Women's Qualifying Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1186 | 1133 | 1.00 | 3 | -0.36 | 40 | -14.40 | |
|  Attanayaka, Tharushi | | | 1041 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Kulatunga, Dinithi | | | 1447 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kamaradiwela, K A D M M | | | 1069 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1133 | 1.00 | 4 | -0.11 | 40 | -4.40 | |
| | Abeywardana, N T | | | 1533 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Abeywardana, H N | | | 1533 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sandanayake, Nimansa Sasanduni | | | 1033 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Pathirana, W P Voji Nimla | | | 1278 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 14 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1126 | 1133 | 3.50 | 6 | 0.41 | 40 | 16.40 | |
| | Nagahawattha, N W N D S | | | 1045 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Fernando, G W Nethmi L | | | 1319 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Sarathchandra, Gihansa M | | | 1328 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Kulathunga, K D D | | | 1004 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Waduge, S S A | | | 1049 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Ranasinghe, S Dilara | | | 1010 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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