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Individual Calculations May 2017 |
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| Mathes Arachchi , Bhanila M Total change: 34.00 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1330 | 3.00 | 6 | 0.27 | 40 | 10.80 | |
|  Peiris, T Shakya Imanjith | | | 1018 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Egodage, Thilina | | | 1730 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Chandrasiri, Vajira Saroj | | | 1659 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Samaraweera, Dimuth Indeepa | | | 1170 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sooriyaarachchi, Isuru Madusha | | | 1583 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Nanayakkara, Janindu | | | 1119 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1397 | 1330 | 4.50 | 7 | 1.44 | 40 | 57.60 | |
| | Galagamaarachchi, A S | | | 1730 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kaluarachchi, K A P M | | | 1042 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | De Silva, Osheen | | | 1730 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bandara, Senomi Imethma | | | 1095 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Pathmanathan, T | | | 1135 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Dahanayake, Kalindu | | | 1604 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Gamage, Randula Navodya | | | 1441 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | * 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 |
| 1122 | 1330 | 4.50 | 7 | -0.86 | 40 | -34.40 | |
| | Wijesinghe, Senan | | | 1027 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Rathnakumara, H M T N | | | 1114 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Padukka, P V Gayuru Hansana | | | 1157 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Hewage, Dinupa Adithya | | | 1103 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Dharmasena, S B T V | | | 1191 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Weerasinghe, Sethum | | | 1108 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Nabil Nazar, Mohamed | | | 1151 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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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