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Individual Calculations September 2019 |
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| Jayaweera, Y Total change: -23.80 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1767 | 5.00 | 8 | 0.10 | 20 | 2.00 | |
|  Bandara, T M Miul Prabhashwara | | | 1367 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Perera, Thilina | | | 1453 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Hettiarachchi, D W K | | | 1367 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alahakoon, Isuru | | | 2138 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Brahman, Tharmasanthiran | | | 1367 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kalubowila, K H N | | | 1629 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Kavinda, Akila | | | 2024 | SRI | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Wijekoon, Chandana | c | | 1910 | 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1501 | 1767 | 6.00 | 9 | -1.29 | 20 | -25.80 | |
| | Mendis, D Udul Dilsara | | | 1367 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Karunaratne, Rahel Chaanakya | | | 1367 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, Manusha Dinuk | | | 1443 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sandeepani, M Tharushi | | | 1558 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Senevirathne, S D B K | | | 1586 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Sivathanujan, S | | | 1669 | SRI | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Wathsala, N. Rathindu | | | 1422 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Jeyanthan, Krishna Rahul | | | 1580 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Ponnamperuma, Weraka Vasath | | | 1514 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | * 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) | | |
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