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Individual Calculations February 2020 |
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| Dandeniya, D D L N Total change: 36.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1217 | 2.00 | 3 | 0.03 | 40 | 1.20 | |
|  Mettananda, W M D Rashmitha | | | 1052 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Hansana, G Haritha | c | | 1233 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Wijewickrama, Ayod Induwara | | | 1010 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1214 | 2.50 | 6 | 0.88 | 40 | 35.20 | |
| | Priyanath, W D Tharaka | | | 1502 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Liyanage, Pesandu Rashmitha | | | 1614 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liyanage, Kusalvin | | | 1453 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Lakmal, M A C | | | 1469 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Dissanayake, Manusha Dinuk | | | 1407 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Yapa, Y P G P | | | 1027 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | * 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) | | |
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