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Individual Calculations May 2017 |
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| Perera, Mulina Total change: 44.40 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1130 | 1.50 | 5 | 0.46 | 40 | 18.40 | |
|  Kumarawadu, C S | | | 1530 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kondagoda, P. M. B. | | | 1530 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Silva, M M Dhanika Sri Kalhara | | | 1236 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Dharmasena, K Kavinu Ransara | | | 1256 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Sahasra, A P Sasindu | | | 1381 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1215 | 1130 | 2.50 | 5 | 0.52 | 40 | 20.80 | |
| | Perera, K Saviru Rashien Dilruk | | | 1335 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Jayasundara, K M Sohanee Divyana | | | 1346 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Dinara, Jathunge Senushi | | | 1006 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Jayasekera, Himasha Dulanji | | wc | 1376 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Thewanjith, M D Movindu | | | 1014 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | National Youth Chess Championship 2017 - Under 16 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1130 | 2.00 | 6 | 0.13 | 40 | 5.20 | |
| | Gunasekara , W A N Senpathi | | | 1530 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sathkumara, S M H D | | | 1356 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Thilakarathne, Malidu Amodya | | | 1309 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Pathmasiri, R D Isuru Saranga | | | 1216 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Ranaraja, R S W M Saumya P | | | 1012 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Ekanayake, N N B | | | 1303 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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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