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Individual Calculations August 2019 |
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| Siriwardena, Chirath Total change: -17.40 | |   |
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| 7th Mercantile and Government Service Chess Championship 2019 | Colombo | SRI | 2019-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1648 | 2.50 | 4 | -0.87 | 20 | -17.40 | |
|  Wickramathunga, Thameera | | | 1298 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Herath, H M S S A | | | 1426 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Jayawickrama, U W R K | | | 1248 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weerakoon, Nalin | | | 1428 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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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