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Blitz:
Individual Calculations May 2019 |
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| Samarakoon, Vivash Ransara Total change: 0.20 | |   |
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| Sri Lanka National Youth Blitz Chess Championship 2019 - Under 10 Open | Colombo | SRI | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1119 | 1104 | 0.50 | 4 | -1.43 | 20 | -28.60 | |
|  Weerathungalage, W D Malisha Sasv | | | 1253 | SRI | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Weerasekara, Dishal Nimsara | | | 1064 | SRI | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Wickramarathne, T D | c | | 1150 | SRI | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Ekanayake, E M Anindu Rehan | | | 1007 | SRI | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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) | | | | Asian Youth Blitz Chess Championship 2019 - Under 10 Open | Colombo | SRI | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1366 | 1104 | 2.00 | 3 | 1.44 | 20 | 28.80 | |
| | Raghu, Ram Reddy Seelam | | | 1434 | IND | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Weerathungalage, W D Malisha Sasv | | | 1253 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Pham, Dang Minh | | | 1410 | VIE | 1.00 | 1 | 0.86 | 20 | 17.20 | |
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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