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Individual Calculations April 2019 |
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| Wimaladharma, W Jithain Oshadha Total change: 40.40 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1157 | 1129 | 2.50 | 4 | 0.66 | 40 | 26.40 | |
|  Rodrigo, Indumina | | | 1062 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Perera, G Poorna Udara Dhananjay | | | 1126 | SRI | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Sarathchandra, Gihansa M | | | 1276 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Navinhara, W Nethaki | | | 1164 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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) | | | | Sri Lanka National Major Division Chess Championship 2019 - Colombo Event | Colombo | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1129 | 1.00 | 3 | 0.35 | 40 | 14.00 | |
| | Hewawasam, H Y Thisaga Manvidu | | | 1311 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Nethmina, S A Indura | | | 1529 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liyanagama, Pasandul | | | 1274 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | * 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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