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Individual Calculations May 2017 |
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| Wijesekara, Bihandu Sanhinda Total change: 99.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1188 | 2.50 | 5 | 1.37 | 40 | 54.80 | |
|  Kanathipan, Thiruchelvan | | | 1514 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Galagamaarachchi, A S | | | 1588 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Abeywardana, H N | | | 1544 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Kodithuwakku, Lisara | | | 1510 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Wijesinghe , Ramika Risiwara | | | 1051 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1133 | 1188 | 4.00 | 5 | 1.11 | 40 | 44.40 | |
| | Pinnagoda, P G Anuhas Suradunu | | | 1082 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | | | De Silva, L Nemith Semuthu | | | 1063 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Bandara, T M Miul Prabhashwara | | | 1039 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Samarakoon, S M Y Thiwanka | | | 1059 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Gunarathne, Senila Amaneth | c | | 1420 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | |
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