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Individual Calculations September 2015 |
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| Bandara, Vineli Thevinya Total change: 42.40 | |   |
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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 |
| 1452 | 1171 | 2.00 | 5 | 1.15 | 40 | 46.00 | |
|  Wijesuriya, G P Y | | | 1384 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Askey, Roshell Nathasha | | | 1528 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Lakmini, K K | | | 1352 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Abeysinghe, H M H Janandani | | | 1462 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Udagedara, Sandali Kanishka | | | 1535 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1171 | 0.00 | 1 | -0.09 | 40 | -3.60 | |
| | Ranasinghe, Shalini | | | 1552 | SRI | 0.00 | 1 | -0.09 | 40 | -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) | | |
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