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Individual Calculations May 2017 |
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| Padukka, P V Gayuru Hansana Total change: 59.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1352 | 1157 | 3.00 | 6 | 1.32 | 40 | 52.80 | |
|  Randil, Lakshitha | | | 1557 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jayawardhana, W A S H | | | 1557 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Perera, D Upashan L | | | 1333 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Botheju, Dilshan Shimalka | | | 1035 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Arachchi, C S A | | | 1299 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Sandeepani, M Tharushi | | | 1330 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1176 | 1157 | 3.00 | 6 | 0.16 | 40 | 6.40 | |
| | Mathes Arachchi , Bhanila M | | | 1330 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Ranasinghe, R A Senuka Buddhika | | | 1242 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Gamage, Mesanda | | | 1063 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Jayaweera Gamage, Disindu Hansad | | | 1028 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Akash, S | | | 1188 | SRI | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Methsilu, T V Vimeth | | | 1207 | SRI | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | |
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