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Individual Calculations August 2018 |
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| Piyantha, M A G A Total change: -48.00 | |   |
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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 |
| 1351 | 1094 | 0.00 | 4 | -0.91 | 40 | -36.40 | |
|  Jayathilaka, R R C L | | | 1494 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Vithanage, I A | | | 1494 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Askey, Raveen Nimesh | | | 1412 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jayasundara, A W Lewlin | | | 1004 | SRI | 0.00 | 1 | -0.62 | 40 | -24.80 | | | * 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) | | | | 3rd SSC Open International Rating Chess Tournament 2018 | Matara | SRI | 2018-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1094 | 0.00 | 2 | -0.29 | 40 | -11.60 | |
| | Pathmasiri, R D Isuru Saranga | | | 1408 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Induwara, T H D Thisarindu | | | 1388 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | |
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