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Individual Calculations March 2018 |
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| Hetti Arachchige, Thisumi S Total change: 14.00 | |   |
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| Kaluthara International Chess Festival 2018 | Kaluthara | SRI | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1250 | 2.00 | 5 | -0.15 | 40 | -6.00 | |
|  Kodithuwakku, Arachchige Padmasi | | | 1474 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Athukorala, A T N | | | 1420 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Ranasinghe, Thinuga Devanjith | | | 1057 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | De Silva, Chamindra | | | 1564 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Perera, G Poorna Udara Dhananjay | | | 1045 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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 National (Women's Qualifying) Chess Championship 2018 - Colombo Event | Colombo | SRI | 2018-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1281 | 1.00 | 3 | 0.50 | 40 | 20.00 | |
| | Tharushi, T H D Niklesha | | wc | 1666 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kodikara, K K M Sachintha | | wf | 1541 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Jayasekera, Himasha Dulanji | | wc | 1493 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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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