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Individual Calculations January 2020 |
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| Ranasinghe, Shalini Total change: -108.75 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1583 | 5.50 | 8 | -0.74 | 29 | -21.46 | |
|  Lewdeni, L P T C | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | |  Gamage, G D P A | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Jayawardana, T M A | | | 1326 | SRI | 1.00 | 1 | 0.18 | 29 | 5.22 | | | Galappaththi, Chinthaka Anuruddh | f | | 1983 * | SRI | 0.00 | 1 | -0.08 | 29 | -2.32 | | | Basnayake, B M Thesandu Aken | | | 1356 | SRI | 0.00 | 1 | -0.79 | 29 | -22.91 | | | Hewage, Mike | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Rathnayaka, Minaga Yethmin | | | 1237 | SRI | 0.50 | 1 | -0.39 | 29 | -11.31 | | | Sulaxan, K | | | 1209 | SRI | 1.00 | 1 | 0.10 | 29 | 2.90 | | | * 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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1583 | 4.50 | 8 | -2.23 | 29 | -64.67 | |
| | Perera, H A Lisanda Vinsith | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Lavanga, D Binuka | | | 1243 | SRI | 0.50 | 1 | -0.38 | 29 | -11.02 | | | Perera, Isara Ranmeth | | | 1243 | SRI | 0.00 | 1 | -0.88 | 29 | -25.52 | | | Rangajeewa, M G Sachithra Sandar | | | 1204 | SRI | 1.00 | 1 | 0.09 | 29 | 2.61 | | | Dissanayake, Sasandu Upeksha | | | 1287 | SRI | 1.00 | 1 | 0.15 | 29 | 4.35 | | | Dipsara, K M Dumal Kavish | | | 1436 | SRI | 0.50 | 1 | -0.20 | 29 | -5.80 | | | Morais, Sanithu Leander Pamudith | | | 1421 | SRI | 0.00 | 1 | -0.71 | 29 | -20.59 | | | Gayanuka, B D Omira | | | 1241 | SRI | 0.50 | 1 | -0.38 | 29 | -11.02 | | | * 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 Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1583 | 6.00 | 8 | -0.78 | 29 | -22.62 | |
| | Abeysekara, Yasasi Geemini | | | 1199 | SRI | 0.50 | 1 | -0.41 | 29 | -11.89 | | | Jayatilaka, W M M Amodya | | | 1422 | SRI | 1.00 | 1 | 0.29 | 29 | 8.41 | | | Jayasinghe, Thenugi Dilanya | | | 1256 | SRI | 1.00 | 1 | 0.13 | 29 | 3.77 | | | Dassanayake, Tharusha Samadhi | | | 1373 | SRI | 1.00 | 1 | 0.23 | 29 | 6.67 | | | Weerawardana, Oneli Vihanga | | | 1183 * | SRI | 0.50 | 1 | -0.42 | 29 | -12.18 | | | Wilvalaarachchi, Oneli Omaya | | | 1340 | SRI | 1.00 | 1 | 0.20 | 29 | 5.80 | | | Attanayake, Chanindi Mewna | | | 1206 | SRI | 0.00 | 1 | -0.91 | 29 | -26.39 | | | Sandanayake, Dehansa Nisanduni | | | 1234 | SRI | 1.00 | 1 | 0.11 | 29 | 3.19 | | | * 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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