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Rapid:
Individual Calculations May 2019 |
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| Perera, M N Akash Total change: 7.80 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2019 - Under 14 Open | Colombo | SRI | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1099 | 1180 | 2.00 | 4 | -0.45 | 20 | -9.00 | |
|  Gunawardana, Indrakeela K D Udde | | | 1042 | SRI | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Yapabandara, Y | | | 1169 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Morais, Sanuka Jude Vidunitha | | | 1070 | SRI | 1.00 | 1 | 0.35 | 20 | 7.00 | |  Ramanayaka, Y R P M | | | 1115 | SRI | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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) | | | | Asian Youth Rapid Chess Championship 2019 - Under 14 Open | Colombo | SRI | 2019-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1180 | 2.00 | 6 | 0.84 | 20 | 16.80 | |
| | Razavi, Seyyed Amirreza | | | 1580 * | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Akash, P A Oditha | | | 1512 | SRI | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Dahanayake, Isara Banidu | c | | 1539 | SRI | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Deng, Yu Dong Michael | c | | 1580 * | HKG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Methsara, E G Ruvindu | | | 1179 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Jayaweera Gamage, Disindu Hansad | | | 1344 | SRI | 0.00 | 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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