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Individual Calculations September 2019 |
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| Gunawardana, Indrakeela K D Udde Total change: 20.00 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1151 | 1.00 | 4 | 0.52 | 40 | 20.80 | |
|  Deshappriya, D Kalindu | | | 1503 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Methmani, Nelunika | | wm | 1543 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, S S Gayashan | | | 1462 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Gunarathna, D A Viraj Darshana | | | 1447 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1151 | 1.00 | 4 | 0.35 | 40 | 14.00 | |
| | Deshappriya, D Kalindu | | | 1503 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Herath, H M S S A | | | 1462 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Ushetti, U D V A S Y | | | 1395 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | De Silva, J I Ajantha | | | 1387 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1151 | 0.00 | 2 | -0.37 | 40 | -14.80 | |
| | Sandeepani, M Tharushi | | | 1551 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Perera, Isara Ranmeth | | | 1313 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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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