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Blitz:
Individual Calculations May 2019 |
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| Sethiya , A Vinuga Total change: 12.60 | |   |
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| Sri Lanka National Youth Blitz Chess Championship 2019 - Under 14 Open | Colombo | SRI | 2019-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1211 | 1106 | 1.00 | 4 | -0.50 | 20 | -10.00 | |
|  Dahanayake, Isara Banidu | c | | 1435 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Mihiran, K D Pawara Himsara | | | 1011 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Bandara, Viduna Lewke | | | 1218 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Perera, M N Akash | | | 1181 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | Asian Youth Blitz Chess Championship 2019 - Under 14 Open | Colombo | SRI | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1106 | 2.50 | 6 | 1.13 | 20 | 22.60 | |
| | Piyumantha, M Thisal Manjith | | | 1422 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Hewage, Dinupa Adithya | | | 1272 | SRI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Sandaruwan, M G Ravindu | | | 1250 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Nabil Nazar, Mohamed | | | 1305 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Gunarathne, Senila Amaneth | c | | 1416 | SRI | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1283 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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