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Individual Calculations August 2015 |
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| Weerawardane, Romesh Total change: 4.40 | |   |
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| Commonwealth Chess Championship 2015 | New Delhi | IND | 2015-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2110 | 4.50 | 9 | -1.05 | 20 | -21.00 | |
|  Kavisha, S Shah | | | 1710 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Himanshu, Sharma | m | | 2420 | IND | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Saksham, Rautela | | | 1804 | IND | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Aditya, Basu | | | 1900 | IND | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lodhi, Mahmood | m | | 2339 | PAK | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Akil, A S J | | | 1903 | IND | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Nair, Sanjeev | | | 1827 | IND | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Phiri, Richmond | m | | 2305 | ZAM | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Srijit, Paul | | | 1881 | IND | 0.00 | 1 | -0.79 | 20 | -15.80 | | | * 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) | | | | Sri Lanka National Chess Championship 2015 | Colombo | SRI | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2110 | 9.50 | 13 | 1.18 | 20 | 23.60 | |
| | Herath, H M A K | | | 2014 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Peiris, T S S | f | | 2022 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Edirisinghe, Dulan | | | 2051 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Thilakarathne, G M H | c | | 1972 | SRI | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Galappaththi, Chinthaka Anuruddh | f | | 2099 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Doluweera, Minul Sanjula | c | | 2042 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Kurukulasuriya, Prasanna | f | | 2084 | SRI | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Naotunna, Dineth Nimnaka | | | 1930 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Piyumantha, M Sasith Nipun | f | | 1928 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | De Silva, Elath Mathanga | | | 1985 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Alahakoon, Isuru | | | 2054 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Subasinghe, K R V R | | | 1874 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Priyankara, Chamil | | | 2019 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Asian Cities Championship 2015 | Waskaduwa | SRI | 2015-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2110 | 3.50 | 8 | 0.09 | 20 | 1.80 | |
| | Yang, Ching Wei, Austin | f | | 2021 | TPE | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Fang, Yuxiang | | | 2440 | CHN | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Alahakoon, Isuru | | | 2054 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Sultan, Ibrahim | f | | 2040 | UAE | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Abdyjapar, Asyl | m | | 2390 | KGZ | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Arjun, Satheesh | | | 1997 | IND | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Sabri, Mohd Saprin | | | 2089 | MAS | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Himanshu, Sharma | m | | 2410 | IND | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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