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Individual Calculations August 2018 |
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| Akash, P A Oditha Total change: -33.06 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1447 | 1542 | 4.00 | 8 | -0.78 | 29 | -22.62 | |
|  Manusha, D M Nipun | | | 1142 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | |  Danushka, M A N | | | 1860 | SRI | 0.50 | 1 | 0.37 | 29 | 10.73 | | | Amarasinghe, A A C B | | | 1917 | SRI | 0.00 | 1 | -0.09 | 29 | -2.61 | | | Gunasinghe, D S | | | 1142 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Senanayaka, D D B | | | 1215 | SRI | 1.00 | 1 | 0.13 | 29 | 3.77 | | | Jayaweera, Y | | | 1767 | SRI | 0.00 | 1 | -0.22 | 29 | -6.38 | | | Kiriella, K G T S D | | | 1387 | SRI | 0.00 | 1 | -0.71 | 29 | -20.59 | | | Gamage, G D P A | | | 1142 * | SRI | 0.50 | 1 | -0.42 | 29 | -12.18 | | | * 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) | | | | 3rd SSC Open International Rating Chess Tournament 2018 | Matara | SRI | 2018-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1542 | 5.00 | 7 | 0.75 | 29 | 21.75 | |
| | Achintha, L H G Shamesh | | | 1215 | SRI | 1.00 | 1 | 0.13 | 29 | 3.77 | | | Dalawella, Sanuka Chandul | | | 1316 | SRI | 1.00 | 1 | 0.21 | 29 | 6.09 | | | Rangajeewa, M G Sachithra Sandar | | | 1263 | SRI | 1.00 | 1 | 0.16 | 29 | 4.64 | | | Rathnayake, M A A H | | | 1879 | SRI | 0.00 | 1 | -0.12 | 29 | -3.48 | | | Seneka, M W Thenumi | | | 1405 | SRI | 1.00 | 1 | 0.32 | 29 | 9.28 | | | Premachandra, G T D M | | | 1933 | SRI | 0.00 | 1 | -0.09 | 29 | -2.61 | | | Sandaruwan, M G Ravindu | | | 1239 | SRI | 1.00 | 1 | 0.14 | 29 | 4.06 | |
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) | | | | 14th Asian Schools Chess Championship 2018 - under 13 open | Waskaduwa | SRI | 2018-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1542 | 5.00 | 9 | -1.11 | 29 | -32.19 | |
| | Dharmasena, S B T V | | | 1216 | SRI | 1.00 | 1 | 0.13 | 29 | 3.77 | | | Ramanayaka, Y R P M | | | 1142 * | SRI | 0.50 | 1 | -0.42 | 29 | -12.18 | | | Kodithuwakku, Lisara | | | 1628 | SRI | 0.00 | 1 | -0.38 | 29 | -11.02 | | | Morais, Sanithu Leander Pamudith | | | 1367 | SRI | 1.00 | 1 | 0.27 | 29 | 7.83 | | | Silva, Kevin Ranidu | c | | 1791 | SRI | 0.00 | 1 | -0.19 | 29 | -5.51 | | | Ponnamperuma, Weraka Vasath | | | 1377 | SRI | 0.50 | 1 | -0.22 | 29 | -6.38 | | | Liyanage, Pesandu Rashmitha | | | 1240 | SRI | 0.50 | 1 | -0.35 | 29 | -10.15 | | | Kithmal, P M Kalindhu | | | 1297 | SRI | 0.50 | 1 | -0.30 | 29 | -8.70 | | | Indusara, M G Janitha | | | 1430 | SRI | 1.00 | 1 | 0.35 | 29 | 10.15 | | | * 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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