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Individual Calculations September 2015 |
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| Lakmini, K K Total change: -31.40 | |   |
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| National Women's Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1195 | 1352 | 4.00 | 7 | -0.93 | 20 | -18.60 | |
|  Jayasundara, K M Sohanee Divyana | | | 1137 | SRI | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Bandara, Vineli Thevinya | | | 1171 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Perera, Hansini | | | 1312 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | |  Ekanayaka, Achinthya | | | 1147 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Karunarathna, Thilini Savindya | | | 1146 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Pavalachandran, Ashvini | | | 1233 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Rathnayake, Nevindi Gihansa | | | 1218 | SRI | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | 6th Kandy Open International Rating Chess Championship | Kandy | SRI | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1204 | 1352 | 3.50 | 6 | -0.64 | 20 | -12.80 | |
| | Nelligedara, Amandi | | | 1037 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Sisira, Kumara K P | | | 1752 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lokubalasuriya, Rochana Sasmitha | | | 1103 | SRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Pathmanathan, T | | | 1086 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Peththanayake, Nuwani | | | 1150 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Thenuwara, Rashmika | | | 1096 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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