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Individual Calculations February 2023 |
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| Alahakoon, Isuru Total change: -34.00 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1925 | 8.00 | 9 | 0.09 | 20 | 1.80 | |
|  Siriwardene, R B Bihandu Janandit | | | 1525 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nanayakkara, Sanuk | | | 1240 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thennakoon, Disara | | | 1384 | SRI | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Pinnagoda, P G Anuhas Suradunu | | | 1378 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Priyanath, W D Tharaka | | | 1489 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Tennakoon, Lisara Samadhith | | | 1717 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kulasekara, D M T Kashyapa | | | 1809 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Abiru, K A Aken | | | 1309 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | De Silva, Osheen | | | 1763 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1925 | 6.50 | 9 | -1.79 | 20 | -35.80 | |
| | Nagahawatta, Nisal Sankalpa | | | 1525 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bimansa, D G Jayandi | | | 1333 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Sandaruwan, M G Ravindu | | | 1430 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.50 | 1 | -0.46 | 20 | -9.20 | | | Abhimanyu, Iraja | | | 1465 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Alahakoon, T N | | | 1674 | SRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Lakshitha, H H Sasindu | | | 1624 | SRI | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | * 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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