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Individual Calculations February 2023 |
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| Amarasinghe, A A C B Total change: -54.80 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1908 | 6.50 | 8 | -0.43 | 20 | -8.60 | |
|  Rajawasala, R U D Janith Dulmina | | | 1508 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bimansa, D G Jayandi | | | 1333 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Hansada, J G Disindu | | | 1335 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Kalubowila, K H N | | | 1609 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Senevirathne, D C B K | | | 1374 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | * 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1908 | 7.00 | 9 | -0.51 | 20 | -10.20 | |
| | Vishaleni, U | | | 1508 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Prematunge, H R Homindu Dulaj | | | 1229 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Wickramasinghe, M G D Chathura | | | 1370 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Prabajith, Asela | | | 1690 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | De Silva, Osheen | | | 1763 | SRI | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Hemachandra, P R T M | | | 1505 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tennakoon, Lisara Samadhith | | | 1717 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.58 | 20 | -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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1471 | 1908 | 6.50 | 9 | -1.80 | 20 | -36.00 | |
| | Rathnagoda, R B Sadew Denuwan | | | 1508 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liyanage, Savinu Suhaswin | | | 1324 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Jayaweera, Hashan | | | 1441 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Kulathilake, S M M P | | | 1461 | SRI | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.50 | 1 | -0.46 | 20 | -9.20 | | | Abiru, K A Aken | | | 1309 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Deshappriya, D Kalindu | | | 1486 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Gunawardhana, Devindya Oshini | | | 1574 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jayaweera, Y | | | 1709 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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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