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Blitz:
Individual Calculations February 2023 |
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| Samaraweera, S M Sethika Hansira Total change: -24.80 | |   |
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| Asia Schools blitz CC 2022- U 9 O | Waskaduwa | SRI | 2022-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1127 | 1144 | 0.50 | 1 | -0.02 | 40 | -0.80 | |
|  Rodrigo, Lohas Dewmina | | | 1127 | SRI | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | Ethugalpura Open International Rating blitz Chess Championships 2022 | Kurunegala | SRI | 2022-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1409 | 1144 | 0.00 | 1 | -0.18 | 40 | -7.20 | |
| | Gunawardhana, Devindya Oshini | | | 1409 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Kandy Open International Rating blitz Chess Championships 2022 | Kandy | SRI | 2023-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1144 | 0.00 | 3 | -0.42 | 40 | -16.80 | |
| | Thuduwage, Yasasirini Pabasara | | | 1428 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Yapa Bandara, Chamodya | | | 1510 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Dharmasena, W M S S B | | | 1434 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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