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Individual Calculations February 2023 |
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| Sivathanujan, S Total change: -6.20 | |   |
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| CFSL Golden Jubilee International Rating Chess Tournament 2022 | Colombo | SRI | 2022-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1274 | 1729 | 9.00 | 9 | 0.67 | 20 | 13.40 | |
|  Mithun, Pranav | | | 1236 | IND | 1.00 | 1 | 0.04 | 20 | 0.80 | |  Gnanaseelan, Jude Dorison | | | 1445 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Laksiri, A A Kavishka Gimshan | | | 1475 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Amarathunga, Kosala Sandeepa Cham | | | 1389 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Amarathunga, Piyumi Uthpala | | | 1165 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Wadduwage, Thamindu Upeksha | | | 1329 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nawanjana, R A Thaweesha | | | 1162 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Bimansa, D G Jayandi | | | 1128 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Fernando, Mayon Dinuth Mindula | | | 1138 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | * 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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1533 | 1849 | 6.00 | 8 | -0.43 | 20 | -8.60 | |
| | Somarathne, Subhaga Kushali | | | 1133 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Rathnayake, R M M P B | | | 1449 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Induwara, T H D Thisarindu | | | 1554 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Maithripala, W D P N | | | 1424 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Kalubowila, K H N | | | 1609 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Senevirathne, S D B K | | | 1696 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * 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 |
| 1499 | 1849 | 7.00 | 9 | -0.55 | 20 | -11.00 | |
| | Madurawala, M G D S Shanuka | | | 1449 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thilakaratne, Hm Sithuka Ranmira | | | 1314 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Fernando, W K B Thumula Theekshan | | | 1213 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Wijekoon, Chandana | c | | 1823 | SRI | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Hettiarachchi, Jeewantha Aloka | | | 1368 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Hansana, G Haritha | c | | 1489 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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