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Individual Calculations September 2015 |
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| Ekanayake, A M B Total change: 19.00 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2015 | Colombo | SRI | 2015-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1650 | 1.00 | 3 | 0.13 | 20 | 2.60 | |
|  Fonseka, C K D | | | 1856 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Athukorala, Nethupul Pasan | | | 1679 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | |  Bandara, P M R L | | | 1922 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1650 | 5.00 | 8 | 0.54 | 20 | 10.80 | |
| | Prasanna, H G Ajith | | | 1250 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nethsara, W M Daham | | | 1250 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Osheen | | | 1909 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Fernando, J S Aloka | | | 1414 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Jayaweera, Y | | | 1573 | SRI | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Lamawansa, Yasas | | | 1977 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Senavin, Dunura | | | 1588 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Lasitha, Subash | c | | 1793 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1650 | 6.50 | 9 | 0.28 | 20 | 5.60 | |
| | Shanmuganathan, S | | | 1250 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sandaruwan, K A Sachintha | | | 1319 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Danushka, M A N | | | 1879 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Jayawardana, Lasal | | | 1342 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Chandira, K W Yasandu | | | 1283 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Rajapaksa, Inura | | | 1377 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Lokuge, Prabhath Sandaruwan | | | 1446 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Balasuriya, Sajini Hasara | | | 1472 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Jayasundara, P K U M | c | | 1975 | SRI | 1.00 | 1 | 0.87 | 20 | 17.40 | | | * 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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