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Individual Calculations August 2018 |
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| Wijesooriya, Rasindu Total change: 6.00 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1346 | 3.50 | 7 | 0.60 | 40 | 24.00 | |
|  Jayathilaka, R R C L | | | 1617 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Lasitha, Subash | c | | 1746 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sandirigama, I K | | | 1029 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wiratunga, Ishan | | | 1746 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Herath, H M J R | | | 1026 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1248 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Vithanage, I A | | | 1586 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | 14th Asian Schools Chess Championship 2018 - under 15 open | Waskaduwa | SRI | 2018-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1346 | 2.00 | 8 | -0.45 | 40 | -18.00 | |
| | Kaushik, G Iyer | | | 1642 | IND | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Cooray, T C M Dulein Kavindu | | | 1492 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Devnaka, Chamin | | | 1385 | SRI | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Vithanage, I A | | | 1586 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Wijesekara, Sakila Udayantha | | | 1414 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Athukorala, A T N | | | 1419 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Prasitsoonthorn, Teerachoti | | | 1746 * | THA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Maheeshan, Gayan | | | 1378 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | * 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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