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Individual Calculations November 2023 |
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| Insara, S D Nadev Total change: -18.00 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1386 | 1766 | 5.00 | 7 | -1.31 | 40 | -52.40 | |
|  Karunarathna, Yanula | | | 1366 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Francis, U M Senal Vishmin | | | 1254 | SRI | 1.00 | 1 | 0.04 | 40 | 1.60 | | | Wickramarathne, D Jehan Randil | | | 1359 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Senevirathne, D C B K | | | 1476 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Rajanayake, Damsara Bandara | | | 1419 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Herath, H M J R | | | 1396 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Galkotuwa, K A R G W D R B G | | | 1430 | SRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | * 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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1662 | 8.00 | 10 | 0.86 | 40 | 34.40 | |
| | Kuruppu, Sadinsa | | | 1262 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wickramathilaka, H C D | | | 1190 | SRI | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Ranasinghe, R A Lihini Himansa | | | 1264 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gowsalyan, S | | | 1451 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Mahindrakar, Indrajeet | | | 1990 | IND | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Chandrasiri, P K | | | 1295 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Herath, H M J R | | | 1480 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Kulathilake, S M M P | | | 1567 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Welege, Dinuka Sandaruwan | | | 1160 | SRI | 1.00 | 1 | 0.04 | 40 | 1.60 | | | Alahakoon, Isuru | f | | 1883 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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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