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Individual Calculations February 2020 |
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| Herath, K Praveen Basara Total change: -14.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1094 | 0.50 | 3 | -0.27 | 40 | -10.80 | |
|  Rohana, V T Malitha | | | 1293 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Karunaratne, Rahel Chaanakya | | | 1267 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Asuramanna, Mevindu Hansana | | | 1276 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1094 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| | Tennakoon, Lisara Samadhith | | | 1494 * | SRI | 0.00 | 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) | | |
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