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Individual Calculations October 2013 |
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| Piyumantha, M Sasith Nipun Total change: 58.35 | |   |
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| 9th Asian Schools Chess Championship 2013 Under 11 Open | Hikkaduwa | SRI | 2013-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1556 | 2.50 | 6 | 0.71 | 15 | 10.65 | |
|  Willathgamuwa, Rowan | | | 1734 | AUS | 1.00 | 1 | 0.73 | 15 | 10.95 | |  Kouchaki Penchah, Jaber | | | 1717 | IRI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Willathgamuwa, Kevin | | | 1800 | AUS | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Vokhidov, Shamsiddin | | | 1941 | UZB | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Askey, Raveen Nimesh | | | 1422 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Tan, Jun Ying | | | 1740 | MAS | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 4th Buddhi International Rating Chess Championship 2013 | Gampaha | SRI | 2013-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1556 | 4.50 | 7 | 3.18 | 15 | 47.70 | |
| | Ranasinghe, S D | | wm | 1868 | SRI | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Lasitha, Subash | | | 1849 | SRI | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Ranasinghe, C N | | | 1851 | SRI | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Senanayaka, P D | | | 1815 | SRI | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Ediriweera, Shakthi | | | 1832 | SRI | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Prabath, D G Ravi | | | 1744 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Madusanka, L D P | | | 1728 | SRI | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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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