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Individual Calculations May 2017 |
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| Dahanayake, Kalindu Total change: -77.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1604 | 5.00 | 7 | -0.52 | 40 | -20.80 | |
|  Samaraweera, Sanith Jithnuka | | | 1204 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Premathilaka, I M | | | 1215 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rathnayake, M A A H | | | 1967 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Bandara, D M Dehansa Thiyumalee | | | 1204 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Akasha, J P Vihanga | | | 1204 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mathes Arachchi , Bhanila M | | | 1330 | SRI | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Hettige, Indushika Anjani | | | 1204 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | National Youth Chess Championship 2017 - Under 18 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1604 | 2.00 | 4 | -1.41 | 40 | -56.40 | |
| | Sivathanujan, S | | | 1215 | SRI | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Kumarasinghe, P Sandaru Kaushal | | | 1241 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Dipsara, K M Dumal Kavish | | | 1402 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Raveendran, Verroshan | | | 1320 | SRI | 1.00 | 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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