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Individual Calculations September 2015 |
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| Udara, D A Yasas Total change: 0.00 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2015 | Colombo | SRI | 2015-07-29 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1318 | 0 | 0.50 | 3 | 0.00 | 1045 | | 0.00 | |
|  Shasikumar, Nagarajah | | | 1313 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Theivaseelan, Selvarajah | | | 1306 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Selvakumar, Thangarajah | | | 1336 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1406 | 0 | 3.50 | 6 | 0.00 | 1426 | | 0.00 | |
| | Jayawardana, Lasal | | | 1342 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Punchihewa, Geeneth Devmika | | | 1175 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Shasikumar, Nagarajah | | | 1313 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Askey, Raveen Nimesh | | | 1530 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Weerakoon, D D P | | | 1597 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Dissanayake, Manusha Dinuk | | | 1477 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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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