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Individual Calculations February 2018 |
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| Himsara, W A Janidu Total change: 44.80 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1212 | 1.50 | 4 | 0.80 | 40 | 32.00 | |
|  Gunarathna, D A Viraj Darshana | | | 1455 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | |  De Silva, R B V Nimsara | | | 1396 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Kodithuwakku, Himsara | | | 1612 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Lakmal, M A C | | | 1492 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1078 | 1212 | 1.00 | 1 | 0.32 | 40 | 12.80 | |
| | Panditha, Thiviru Rashmith | | | 1078 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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