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Individual Calculations November 2023 |
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| Dissanayake, K M S M Total change: -128.40 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1208 | 1246 | 1.50 | 4 | -0.80 | 40 | -32.00 | |
|  Kulathilake, S M M P | | | 1649 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samarakoon, S M M E | | | 1059 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | |  Galappaththi, Sethish Dhananya | | | 1035 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Bandara, K M T D Anjuka | | | 1090 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1072 | 1246 | 0.50 | 4 | -2.41 | 40 | -96.40 | |
| | Welikumbura, D M | | | 1073 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Lokuge, Sanuth Nethmira | | | 1023 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Yapabandara, Y | | | 1095 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Rathnayake, R M R S | | | 1095 | SRI | 0.50 | 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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