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Rapid:
Individual Calculations February 2018 |
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| Akasha, J P Vihanga Total change: 10.40 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2017 Under - 12 years | Colombo | SRI | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1216 | 1269 | 4.00 | 6 | 0.52 | 20 | 10.40 | |
|  Gamage, Sanula Udan | | | 1068 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Baratha Yomal, N W A | | | 1133 | SRI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Hemachandra, D K S Sethmika | | | 1108 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Piyumantha, M Thisal Manjith | | | 1604 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Arunakirinathan, Aruthran | | | 1235 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Mannaperuma, M M Pamudu Thamara | | | 1150 | 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) | | |
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