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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1241 | 1455 | 5.50 | 8 | -0.61 | 31 | -18.91 | |
|
 Jayasuriya, Charinu Sithsara Mith | | | 1110 | SRI | 1.00 | 1 | 0.11 | 31 | 3.41 | |
 Perera, G Thinuka Geethula | | | 1174 | SRI | 1.00 | 1 | 0.16 | 31 | 4.96 | |
| Bandara, Lakshika Sathsarani | | | 1055 * | SRI | 1.00 | 1 | 0.08 | 31 | 2.48 | |
| Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.03 | 31 | -0.93 | |
| Chandrasiri, R B A | | | 1146 | SRI | 0.00 | 1 | -0.86 | 31 | -26.66 | |
| Somarathne, Senuka Damsath | | | 1139 | SRI | 1.00 | 1 | 0.13 | 31 | 4.03 | |
| Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.50 | 1 | -0.30 | 31 | -9.30 | |
| Bandara, A H M G N | | | 1096 | SRI | 1.00 | 1 | 0.10 | 31 | 3.10 | |
| * 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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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1455 | 5.00 | 7 | 0.24 | 31 | 7.44 | |
|
| De Silva, B P Chanthuli Thanishka | | | 1373 | SRI | 0.00 | 1 | -0.61 | 31 | -18.91 | |
| Meedeniya, Ravindu Malintha | | | 1130 | SRI | 1.00 | 1 | 0.13 | 31 | 4.03 | |
| Jayawickrama, U W R K | | | 1168 | SRI | 1.00 | 1 | 0.16 | 31 | 4.96 | |
| Thilakarathne, Nisal Dilushana | | | 1175 | SRI | 1.00 | 1 | 0.16 | 31 | 4.96 | |
| Liyanage, Pesandu Rashmitha | | | 1869 | SRI | 0.00 | 1 | -0.07 | 31 | -2.17 | |
| Gunasekara, K P K Hesara | | | 1237 | SRI | 1.00 | 1 | 0.22 | 31 | 6.82 | |
| Kaumina, M Yashika | | | 1259 | SRI | 1.00 | 1 | 0.25 | 31 | 7.75 | |
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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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1143 | 1455 | 5.00 | 7 | -0.93 | 31 | -28.83 | |
|
| Meemanage, Pinipa Akalanki | | | 1045 | SRI | 1.00 | 1 | 0.08 | 31 | 2.48 | |
| De Silva, B P Chanthuli Thanishka | | | 1373 | SRI | 0.00 | 1 | -0.61 | 31 | -18.91 | |
| Bandara, Lakshika Sathsarani | | | 1055 * | SRI | 1.00 | 1 | 0.08 | 31 | 2.48 | |
| Bentharaarachchi, B D Daksha Hans | | | 1136 | SRI | 0.50 | 1 | -0.37 | 31 | -11.47 | |
| Premathilaka, W P P G Sampath | | | 1083 | SRI | 1.00 | 1 | 0.10 | 31 | 3.10 | |
| Amarathunga, Piyumi Uthpala | | | 1173 | SRI | 0.50 | 1 | -0.34 | 31 | -10.54 | |
| Thimanjana, Balage Kisandu | | | 1136 | SRI | 1.00 | 1 | 0.13 | 31 | 4.03 | |
| * 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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