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Individual Calculations October 2018 |
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| De Silva, L M S T Total change: 42.40 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1708 | 7.00 | 9 | 1.29 | 40 | 51.60 | |
|  Fonseka, T A Sheanuth | | | 1308 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Gamage, Liviru Hansana | | | 1308 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rangajeewa, M G Sachithra Sandar | | | 1318 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Alahakoon, Isuru | | | 2108 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | De Silva, J I Ajantha | | | 1375 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Pieris, T D R | | | 1970 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Madushanka, B W M Malith | | | 1478 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Samaranayake, K P R N | | | 1926 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Herath, H M S S A | | | 1452 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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) | | | | Sri Lanka Junior National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1708 | 5.00 | 7 | -0.23 | 40 | -9.20 | |
| | Panthaka, W J N Malindu | | | 1308 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hewawasam, H Y Thisaga Manvidu | | | 1316 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mathes Arachchi, Bhanila M | | | 1513 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Piyumantha, M Thisal Manjith | | | 1625 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1708 | SRI | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Sivathanujan, S | | | 1577 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Jayawardana, Chenuka Nethvidu | | | 1416 | SRI | 1.00 | 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) | | |
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