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Individual Calculations February 2019 |
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| Akasha, J P Vihanga Total change: -14.40 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1435 | 5.50 | 8 | -0.24 | 40 | -9.60 | |
|  Alwis, K Chanula Chanketh | | | 1089 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | |  Methsara, E G Ruvindu | | | 1181 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Tennakoon, Lisara Samadhith | | | 1256 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Bandara, W M Malitha | | | 1260 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Indusara, M G Janitha | | | 1429 | SRI | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Wiratunga, Jenith | | | 1349 | ENG | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Gamage, Mesanda | | | 1322 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Bandara, T M Miul Prabhashwara | | | 1199 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1440 | 5.50 | 9 | -0.12 | 40 | -4.80 | |
| | Waduge, S S A | | | 1040 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Weerawardana, Ushan Thashitha K | | | 1103 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | De Silva, H Adeepa Virajitha | | | 1201 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Lakshitha, H H Sasindu | | | 1741 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Padukka, P V Gayuru Hansana | | | 1127 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Gamarathne, Oneth | | | 1256 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Gunawardena, I M T S | | wc | 1081 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Kodithuwakku, Himsara | | | 1700 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Jayaweera, Y | | | 1689 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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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