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Individual Calculations March 2024 |
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| Alahakoon, Isuru Total change: -64.80 | |   |
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| Kaluthara Chess Festival 2024 | Kaluthara | SRI | 2024-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1871 | 0.50 | 2 | -1.41 | 20 | -28.20 | |
|  Perera, Sachith Lakshan | | | 1471 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Samarakoon, S M Kolitha Arunodha | | | 1176 | SRI | 0.00 | 1 | -0.99 | 20 | -19.80 | | | * 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) | | | | Sri Lanka National Major Division Chess Championships 2024 - Western Province | Colombo | SRI | 2024-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1871 | 6.50 | 9 | -1.83 | 20 | -36.60 | |
| | Perera , A A Gayuth Dinhas | | | 1471 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Yapa, Y P G P | | | 1251 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Hettiarachchi, Jeewantha Aloka | | | 1440 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Sathmina, S L Lalindu | | | 1541 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Hettigoda, Dhanodya Budmina | | | 1345 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Wijerathna, Vinuka Dihain | | | 1457 | SRI | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Karunasena, A P Chenitha Sihas Di | | | 1469 | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Sanviru, G H A Dulnith | | | 1506 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Insara, S D Nadev | | | 1516 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * 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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