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Individual Calculations September 2019 |
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| Lasitha, Subash Total change: -38.38 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1418 | 1702 | 7.00 | 9 | -0.25 | 19 | -4.75 | |
|  Wijewickrama, Ayod Induwara | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | |  Sandanayake, Dehansa Nisanduni | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Seneka, M W Thenumi | | | 1311 | SRI | 1.00 | 1 | 0.09 | 19 | 1.71 | | | Sandaruwan, M G Ravindu | | | 1455 | SRI | 1.00 | 1 | 0.19 | 19 | 3.61 | | | Peiris, T G M | | | 1971 | SRI | 0.00 | 1 | -0.17 | 19 | -3.23 | | | Wickramarathne, T D | c | | 1328 | SRI | 0.00 | 1 | -0.90 | 19 | -17.10 | | | Hansana, G Haritha | c | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Nanayakkara, P N J | | | 1332 | SRI | 1.00 | 1 | 0.10 | 19 | 1.90 | | | Lakmal, M A C | | | 1463 | SRI | 1.00 | 1 | 0.20 | 19 | 3.80 | | | * 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 open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1702 | 5.50 | 8 | -0.16 | 19 | -3.04 | |
| | Lankatilleke, Sathindu Vidujaya | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Brahman, Tharmasanthiran | | | 1355 | SRI | 0.00 | 1 | -0.89 | 19 | -16.91 | | | Silva, M K Theshan Pasandul | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Indrajith, J A K N T | | | 1326 | SRI | 1.00 | 1 | 0.09 | 19 | 1.71 | | | Alahakoon, Isuru | | | 2102 * | SRI | 0.00 | 1 | -0.08 | 19 | -1.52 | | | Ranasinghe, R A Senuka Buddhika | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Srilal, D A D T | | | 1347 | SRI | 1.00 | 1 | 0.11 | 19 | 2.09 | | | Kavinda, Akila | | | 2024 | SRI | 0.50 | 1 | 0.37 | 19 | 7.03 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1702 | 6.50 | 9 | -1.59 | 19 | -30.21 | |
| | Ranasinghe, C G S P | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Asuramanna, Mevindu Hansana | | | 1302 * | SRI | 0.00 | 1 | -0.92 | 19 | -17.48 | | | Nethdinu, Ruben Hiruja | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Maithripala, W D P N | | | 1302 * | SRI | 0.50 | 1 | -0.42 | 19 | -7.98 | | | Balahewa, Imasha Dilshani | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Dharmasena, W M S S B | | | 1326 | SRI | 1.00 | 1 | 0.09 | 19 | 1.71 | | | Wickramasinghe, Minethma Lasandi | | wc | 1384 | SRI | 0.50 | 1 | -0.37 | 19 | -7.03 | | | Akasha, J P Vihanga | | | 1454 | SRI | 0.50 | 1 | -0.31 | 19 | -5.89 | | | Basnayake, B M Thesandu Aken | | | 1344 | SRI | 1.00 | 1 | 0.10 | 19 | 1.90 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1418 | 1702 | 8.00 | 10 | -0.02 | 19 | -0.38 | |
| | Perera, K C D | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | De Silva, L H L Manuja Lakshitha | | | 1302 * | SRI | 0.50 | 1 | -0.42 | 19 | -7.98 | | | Gangewatte, Sithila Mithashana | | | 1302 * | SRI | 0.00 | 1 | -0.92 | 19 | -17.48 | | | De Silva, P K R Nandika | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Chamikara, S M P Janith | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Dilshan, A G D L C | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 19 | 1.52 | | | Punchihewa, Kokila Prageeth | | | 1321 | SRI | 1.00 | 1 | 0.09 | 19 | 1.71 | | | Nirmalarajah, S | | | 1621 | SRI | 0.50 | 1 | -0.11 | 19 | -2.09 | | | Lansakara, B M | | | 1513 | SRI | 1.00 | 1 | 0.25 | 19 | 4.75 | | | Wijekoon, Chandana | c | | 1910 | SRI | 1.00 | 1 | 0.77 | 19 | 14.63 | | | * 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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