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Individual Calculations February 2020 |
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| Maithripala, W D P N Total change: 54.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1247 | 1297 | 5.50 | 8 | 1.05 | 40 | 42.00 | |
|  Jayawardena, P M S | | | 1025 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Gamage, Sanula Udan | | | 1121 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Jayasinghe, J D B | | | 1045 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Thimanjana, Balage Kisandu | | | 1119 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Dineth, S A Induwara | | | 1433 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Akash, P A Oditha | | | 1430 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ekanayake, Hasindu Chiranga | | | 1419 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Indusara, M G Janitha | | | 1385 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1329 | 1340 | 4.00 | 7 | 0.31 | 40 | 12.40 | |
| | Ovitigala, Chenitha Mithvidu | | | 1024 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 1740 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wickramasinghe, V W A Vinuda Vidm | | | 1081 | SRI | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Nanayakkara, N W P K W | | | 1028 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Deshadara, Masachchi Sineth | | | 1133 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Rabel, Chinthaka | | | 1618 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Lasitha, Subash | c | | 1677 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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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