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Blitz:
Individual Calculations October 2017 |
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| Chamathka, Weerasinghe A Chethan Total change: 58.00 | |   |
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| Kandy Open Blitz Chess Championship 2017 | Kandy | SRI | 2017-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1146 | 1.00 | 4 | 0.39 | 20 | 7.80 | |
|  Nirmalarajah, S | | | 1546 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Deepthi, Deepamala | | | 1443 | SRI | 1.00 | 1 | 0.85 | 20 | 17.00 | |  Yapa Bandara, Chamodya | | | 1423 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Udagedara, Sandali Kanishka | | | 1379 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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) | | | | 2nd West Asian Youth Blitz Chess Championship 2017 - Under 14 Girls | Waskaduwa | SRI | 2017-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1273 | 1146 | 2.50 | 6 | 0.48 | 20 | 9.60 | |
| | Dahampriya, H K T Dewnethmie | | | 1282 | SRI | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Perera, Vihini Vimansa | | | 1146 | SRI | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Aysha, Nasser H Alshamsi | | | 1347 | UAE | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Wellage, Dilara Sesadi | | | 1256 | SRI | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Hewawasam, H Y Nevanjee Dimanya | | | 1207 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Jayatilaka, W M M Amodya | | | 1397 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | Inaugural Sri Lanka National Blitz Women Chess Championship 2017 | Colombo | SRI | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1284 | 1146 | 4.00 | 6 | 2.03 | 20 | 40.60 | |
| | Ramanayake, R A Kavindya V | | | 1110 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Sathma, Devni | | | 1443 | SRI | 1.00 | 1 | 0.85 | 20 | 17.00 | | | De Silva, Tenara | | | 1388 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Wijesuriya, G P Y | | wc | 1346 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Hetti Arachchige, Thisumi S | | | 1152 | SRI | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Sanudula, K M Dahamdi | | | 1265 | SRI | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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) | | |
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