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Individual Calculations November 2023 |
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| Galappaththi, Sethish Dhananya Total change: -4.80 | |   |
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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 |
| 1250 | 1035 | 0.00 | 2 | -0.45 | 40 | -18.00 | |
|  Francis, U M Senal Vishmin | | | 1254 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Dissanayake, K M S M | | | 1246 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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 |
| 1194 | 1035 | 1.50 | 4 | 0.33 | 40 | 13.20 | |
| | Bandara, A H M G N | | | 1146 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Wickramathilaka, H C D | | | 1190 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Rajakaruna, Nuhansa | | | 1171 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Ramyasiri, Kaveen Poorna | | | 1268 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | |
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