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Individual Calculations March 2015 |
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| Piyumantha, M Thisal Manjith Total change: 35.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1189 | 0.50 | 4 | -0.17 | 40 | -6.80 | |
|  Peiris, H Pevinya | | | 1504 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Askey, Raveen Nimesh | | | 1555 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Rajapaksa, Inura | | | 1491 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Weerakoon, H M Santhusha Samad | | | 1354 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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 Major Division Chess Championship 2015 Galle | Galle | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1224 | 3.00 | 7 | 1.06 | 40 | 42.40 | |
| | Chathuranga, K Sahan | | | 1624 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Silva, L H V Vinamitha | | | 1173 | SRI | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Piyumantha, M Sasith Nipun | f | | 1624 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Navodya, R L Lakith | | | 1131 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Thiyasara, K T Thisen | | | 1604 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Manuranga, D Lahiru | | | 1607 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Upananda, K Y Sasmitha | | | 1297 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | * 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) | | |
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