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Individual Calculations December 2017 |
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| Perera, Poornima Yashen Nanumege Total change: 0.00 | |   |
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| Colombo District Youth Chess Championship 2017 Under 13 Boys (2004-2005) | Colombo | SRI | 2017-10-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1078 | 0 | 1.00 | 3 | 0.00 | 953 | | 0.00 | |
|  Peiris, T Shakya Imanjith | | | 1096 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Wijeratne, Tharin | | | 1130 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ranasinghe, Supul Demmantha | | | 1008 | 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) | | | | Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1128 | 0 | 0.50 | 4 | 0.00 | 806 | | 0.00 | |
| | Baratha Yomal, N W A | | | 1133 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Desurra, G P Damsilu | | | 1050 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Weerakoon, Naveen Chathuranga | | | 1155 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Yapabandara, Y | | | 1172 | 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) | | |
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