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Individual Calculations March 2018 |
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| Perera, D Upashan L Total change: 16.80 | |   |
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| Kaluthara International Chess Festival 2018 | Kaluthara | SRI | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1528 | 5.00 | 7 | 0.33 | 40 | 13.20 | |
|  Sooriyapperuma, S V P P | | | 1128 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Saravanabaavan, Brijeash | | | 1278 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Jayaweera, C L | | | 1736 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Himsara, W A Janidu | | | 1212 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Jayaweera Gamage, Disindu Hansad | | | 1191 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Silva, Dineth Sunera | | | 1856 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Alwela, Senuja Thimeth | | | 1252 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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 National (Major Division) Chess Championship 2018 - Colombo Event | Colombo | SRI | 2018-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1577 | 4.00 | 6 | 0.09 | 40 | 3.60 | |
| | Punchihewa, Hasith Thevindu | | | 1177 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lahiru, N P G Sithija | | | 1863 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Gamarathne, Oneth | | | 1225 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Randil, Lakshitha | | | 1910 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayaweera Gamage, Disindu Hansad | | | 1219 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Ponnamperuma, Weraka Vasath | | | 1177 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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