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Individual Calculations September 2015 |
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| Dissanayake, Kamesh Janaja Total change: -46.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1383 | 2.50 | 5 | -0.96 | 40 | -38.40 | |
|  Sathmina, S L Lalindu | | | 1041 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Senavin, Dunura | | | 1588 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Perera, D Upashan L | | | 1179 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Bandara, W M Nadil Dulshen | | | 1125 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Ranawake, Sanuda D | | | 1178 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 6th Kandy Open International Rating Chess Championship | Kandy | SRI | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1383 | 4.00 | 7 | -0.25 | 40 | -10.00 | |
| | Premanath, Dinushki | | wf | 1783 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lenagala, G J P | | | 1070 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Senanayaka, P D | | | 1783 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Praveen Manodya | | | 1088 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Ekanayake, N N B | | | 1170 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Walisundara, Yasindu | | | 1110 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Pranouve, S S | | | 1160 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1383 | 4.00 | 8 | 0.06 | 40 | 2.40 | |
| | Hetti Arachchige, Thisumi S | | | 1071 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Ellawela, Suveen | | | 1680 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Senevirathne, H Dulith Taruka | | | 1171 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Weerasinghe, C C | | | 1706 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Nantharupan, S | | | 1170 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dabare, Pulasthi | | | 1536 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Wanigarathne, K A N | | | 1178 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Liyanage, Ranindu Dilshan | | | 1622 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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