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Individual Calculations March 2024 |
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| De Silva, Osheen Total change: 38.20 | |   |
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| Kaluthara Chess Festival 2024 | Kaluthara | SRI | 2024-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1546 | 6.50 | 8 | 0.94 | 20 | 18.80 | |
|  Perumpuli, Arachchi Lithula Rave | | | 1146 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Pathmasiri, R D Isuru Saranga | | | 1256 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Mudalige, S M I Umandi | | | 1395 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Karunasena, A P Chenitha Sihas Di | | | 1484 | SRI | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Kaumina, M Yashika | | | 1294 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Manuranga, D Lahiru | | | 1372 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Perera, B Jayod Yasindu Rashmika | | | 1460 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Insara, S D Nadev | | | 1659 | SRI | 1.00 | 1 | 0.65 | 20 | 13.00 | | | * 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) | | | | Sri Lanka National Major Division Chess Championships 2024 - Western Province | Colombo | SRI | 2024-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1573 | 5.50 | 7 | 0.97 | 20 | 19.40 | |
| | Perera , A A Gayuth Dinhas | | | 1173 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Nethuja Vinuth | | | 1132 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Kannangara, Ranul Insitha | | | 1277 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Devasurendra, Menuksha Sahen | | | 1278 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Chandula, E D S | | | 1650 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Kulathilake, S M M P | | | 1641 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Peiris, T S S | f | | 1843 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | |
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