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Individual Calculations February 2020 |
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| Sivathanujan, S Total change: -32.20 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1784 | 6.50 | 9 | -0.67 | 20 | -13.40 | |
|  Gunasekara, Randil | | | 1384 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gayanuka, B D Omira | | | 1384 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Morais, Sanithu Leander Pamudith | | | 1421 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Induwara, T H D Thisarindu | | | 1384 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Adansooriya, B A | | | 1384 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Judedorison, G | | | 1472 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Samaraweera, Dimuth Indeepa | | | 1556 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Kumara, C M S Praneeth | | | 1776 | SRI | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Bandara, Dhanushka | | | 1837 | SRI | 0.00 | 1 | -0.43 | 20 | -8.60 | | | * 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) | | | | Battle of the Kings - All Island Schools Team Chess Championship 2020 | Colombo | SRI | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1812 | 3.50 | 4 | -0.16 | 20 | -3.20 | |
| | Bentharaarachchi, Vinuga Ometh | | | 1450 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Yasaranga, B H Thisari | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijeratne, Rehan Nawantha | | | 1412 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Perera, H A Lisanda Vinsith | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 18th Delhi International Open Grandmasters Chess Tournament 2020 CAt "B" - below 1900 | Delhi | IND | 2020-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1604 | 1812 | 7.50 | 10 | -0.05 | 20 | -1.00 | |
| | Vasudevan, K E | | | 1412 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Saurabh, Kumar | | | 1534 | IND | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Balaji, P | | | 1606 | IND | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Ganesan, K. | | | 1621 | IND | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Sahoo, Dasharathi | | | 1624 | IND | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Roshan, S | | | 1651 | IND | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Soumyajit, Das (jr) | | | 1661 | IND | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ravi, Kumar K | | | 1676 | IND | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Anuj, Bansal | | | 1714 | IND | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Sailesh, R | | | 1542 | IND | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1812 | 5.50 | 8 | -0.73 | 20 | -14.60 | |
| | Hettiarachchi, Jeewantha Aloka | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hewawasam, H Y Thisaga Manvidu | | | 1412 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Akasha, J P Vihanga | | | 1485 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Siriwardane, A L | | | 1438 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Alahakoon, Isuru | f | | 2133 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Rabel, Chinthaka | | | 1618 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Nabil Nazar, Mohamed | | | 1506 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Judedorison, G | | | 1477 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | * 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) | | |
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