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Individual Calculations September 2016 |
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| Kodithuwakku, Lisara Total change: -123.60 | |   |
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| Commonwealth Chess Championship 2016 - Under 12 Boys | Waskaduwa | SRI | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1365 | 1549 | 3.50 | 9 | -3.08 | 40 | -123.20 | |
|  Oosthuizen, Michal Jacobus | | | 1357 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Piyumantha, M Thisal Manjith | | | 1406 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Withanarachchi, W A P I | | | 1293 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Dahanayake, Isara Banidu | | | 1440 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Fernando, J S Aloka | | | 1506 | SRI | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Lansakara, B M | | | 1305 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Ranasinghe, R A Senuka Buddhika | | | 1265 | SRI | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Athukorala, A T N | | | 1268 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Harrikizhan, K C | | | 1445 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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 Chess Championship 2016 | Colombo | SRI | 2016-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1581 | 5.50 | 8 | 1.47 | 40 | 58.80 | |
| | Hewage, Kawithaka Wethmal | | | 1181 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dampage, V Isuraka | | | 1260 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Priyankara, Chamil | | | 1981 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ranasinghe, R A Senuka Buddhika | | | 1265 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Jayaweera, Y | | | 1779 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Easan, Adesh | | | 1849 | DEN | 1.00 | 1 | 0.83 | 40 | 33.20 | | | De Silva, Osheen | | | 1940 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Kiriella, K G Gimantha Gayasha | | | 1364 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | | | Negombo Chess Festival 2016. | Negombo | SRI | 2016-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1581 | 6.00 | 8 | -0.08 | 40 | -3.20 | |
| | Saravanabaavan, Yughatharoon | | | 1181 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | De Silva, M Manindu Chanthil | | | 1255 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Ranasinghe, R A Arindu Himeth | | | 1208 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Wijesekara, Ruvinda | | | 1471 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Gunasekara, Malaka | | | 1273 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Liyanapathirana, Pasan Vindula | | | 1839 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Jayawickrama, U W R K | | | 1316 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Dananjaya, Isuru | | | 1240 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | * 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 Junior National Chess Championship (Open) 2016 | Colombo | SRI | 2016-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1581 | 2.50 | 6 | -1.40 | 40 | -56.00 | |
| | Indusara, M G Janitha | | | 1228 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Gamage, Ovin Vidmal | | | 1366 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Harrikizhan, K C | | | 1445 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Kaveen, Ishara | | | 1681 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Ekanayake, N N B | | | 1275 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Senavin, Dunura | | | 1698 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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