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Individual Calculations October 2019 |
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| Dassanayake, D M G S Total change: 6.80 | |   |
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| 10th Buddhi International Rating Chess Championship 2019 | Gampaha | SRI | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1911 | 7.50 | 9 | 0.31 | 20 | 6.20 | |
|  Gamage, P G Dilni Thiranya | | | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rathnayaka, Minaga Yethmin | | | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayawardana, Chenuka Nethvidu | | | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sooriyaarachchi, Isuru Madusha | | | 1536 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Sivathanujan, S | | | 1680 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Sanudula, K M Dahamdi | | wc | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chakravarthi Reddy, M | m | | 2311 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bentharaarachchi, Vinuga Ometh | | | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lakshitha, H H Sasindu | | | 1662 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | | | National Sports Festival Chess Championship 2019 - Men | Badulla | SRI | 2019-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1911 | 4.50 | 6 | 0.03 | 20 | 0.60 | |
| | Sivathanujan, S | | | 1680 | SRI | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Bandara, K L A P | | | 1511 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathnayake , K G | | | 1517 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madusanka, L D P | | | 1670 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Samaranayake, K P R N | | | 1895 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Peiris, T S S | f | | 1900 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | * 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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