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Individual Calculations January 2020 |
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| Pathmasiri, R D Isuru Saranga Total change: 54.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1299 | 4.00 | 7 | 1.55 | 40 | 62.00 | |
|  Bandara, T B S H | | | 1526 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Kajenthiran, T | | | 1033 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Kalubowila, K H N | | | 1582 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Lasitha, Subash | c | | 1643 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kularathna, Pulindu | | | 1047 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Koggala, W S T D | | | 1488 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Sivathanujan, S | | | 1699 * | 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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1220 | 1299 | 4.00 | 7 | -0.20 | 40 | -8.00 | |
| | Perera, D Upashan L | | | 1551 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Insara, S D Nadev | | | 1112 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Perera, Danujaya Thathsara | | | 1005 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Hendavitharana, D S | | | 1112 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Edirisinghe, Shanuka Dulnath | | | 1082 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Tennakoon, Lisara Samadhith | | | 1525 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Suraweera, M C H Jananath | | | 1155 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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