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Individual Calculations October 2020 |
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| Koswatte, C T Total change: -146.80 | |   |
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| 9th Sri Lanka Mercantile - Government Service International Rating Chess Championship 2020 | Colombo | SRI | 2020-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1758 | 4.00 | 6 | -0.80 | 20 | -16.00 | |
|  Bulugahapitiya, D | | | 1358 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rupasinghe, R A L P | | | 1384 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Bandara, O R D R Nayanajith | | | 1358 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Perera, N Hashini Himasha | | | 1358 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Guruge, Nalaka Neranjan | | | 1481 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Rathnayake, M A A H | | | 1898 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | Sri Lanka Women's National Chess Championship 2020 | Colombo | SRI | 2020-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1738 | 2.50 | 13 | -6.54 | 20 | -130.80 | |
| | Ranasinghe, S D | | wm | 1731 | SRI | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Jayaweera, Sayuni Gihansa | | wc | 1698 | SRI | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Wickramasinghe, Minethma Lasandi | | wc | 1575 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Pallie, Ehsha Mishela | | wc | 1491 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Abeysinghe, H M H Janandani | | | 1519 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Sandeepani, M Tharushi | | | 1625 | SRI | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Hewawasam, H Y Nevanjee Dimanya | | wf | 1574 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Mapa, M M W H | | | 1563 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Ranganath, Tharuli Vihasna | | | 1362 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Tharushi, T H D Niklesha | | wc | 1655 | SRI | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Wijesinghe, W M M N | | | 1575 | SRI | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Fernando, G W Nethmi L | | | 1630 | SRI | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Pavalachandran, Ashvini | | | 1614 | SRI | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | |
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