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Rapid:
Individual Calculations May 2019 |
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| Samarakoon, Vivash Ransara Total change: -33.80 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2019 - Under 10 Open | Colombo | SRI | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1084 | 1174 | 2.00 | 4 | -0.49 | 20 | -9.80 | |
|  Senevirathne, D C B K | | | 1044 | SRI | 0.00 | 1 | -0.68 | 20 | -13.60 | |  Wickramarathne, T D | c | | 1211 | SRI | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Nethdinu, Ruben Hiruja | | | 1023 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Nimsitha, Tharuk | | | 1057 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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 10 Open | Colombo | SRI | 2019-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1248 | 1174 | 0.50 | 4 | -1.20 | 20 | -24.00 | |
| | Pham, Tran Gia Phuc | c | | 1486 | VIE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bandara, H M Risindu Methsara | | | 1029 | SRI | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Ekanayake, E M Anindu Rehan | | | 1019 | SRI | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Khazhatuly, Alikhan | | | 1459 | KAZ | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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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