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Individual Calculations February 2023 |
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| Kannangara, Ranul Insitha Total change: -32.76 | |   |
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| Asia Schools CC 2022- U 11 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1206 | 1080 | 1.50 | 7 | -0.85 | 36 | -30.60 | |
|  Jahaann, Goel | | | 1369 | IND | 0.00 | 1 | -0.16 | 36 | -5.76 | |  Premarathne, W M Lavindu Sohas | | | 1159 | SRI | 0.00 | 1 | -0.39 | 36 | -14.04 | | | Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.00 | 1 | -0.32 | 36 | -11.52 | | | Haputhanthri, Aayush | | | 1204 | SRI | 0.50 | 1 | 0.17 | 36 | 6.12 | | | Bentharaarachchi, B D Daksha Hans | | | 1136 | SRI | 0.50 | 1 | 0.08 | 36 | 2.88 | | | Wickramaarachchi, Gayaru Chamsara | | | 1131 | SRI | 0.50 | 1 | 0.07 | 36 | 2.52 | | | Labunahewage, Dulein Bimsath | | | 1227 | SRI | 0.00 | 1 | -0.30 | 36 | -10.80 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1080 | 0.50 | 3 | -0.15 | 36 | -5.40 | |
| | Wijeratne, Rehan Nawantha | | | 1329 | SRI | 0.50 | 1 | 0.31 | 36 | 11.16 | | | Kaumina, M Yashika | | | 1259 | SRI | 0.00 | 1 | -0.27 | 36 | -9.72 | | | Bimansa, D G Jayandi | | | 1333 | SRI | 0.00 | 1 | -0.19 | 36 | -6.84 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1294 | 1080 | 0.50 | 4 | -0.40 | 36 | -14.40 | |
| | Dushan, W Charuka | | | 1290 | SRI | 0.50 | 1 | 0.27 | 36 | 9.72 | | | Fernando, H Methushi Amaya | | | 1329 | SRI | 0.00 | 1 | -0.19 | 36 | -6.84 | | | Pathmasiri, R D Isuru Saranga | | | 1297 | SRI | 0.00 | 1 | -0.22 | 36 | -7.92 | | | Vithana, Minethma Devindi | | | 1260 | SRI | 0.00 | 1 | -0.26 | 36 | -9.36 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1080 | 1.00 | 5 | 0.49 | 36 | 17.64 | |
| | Alahakoon, T N | | | 1674 | SRI | 0.50 | 1 | 0.48 | 36 | 17.28 | | | Karunarathne, K M H B | | | 1610 | SRI | 0.00 | 1 | -0.03 | 36 | -1.08 | | | Jayanka, L P P R | | | 1370 | SRI | 0.50 | 1 | 0.34 | 36 | 12.24 | | | Francis, U M Senal Vishmin | | | 1371 | SRI | 0.00 | 1 | -0.15 | 36 | -5.40 | | | Rathnayake, R M Dulinma Hemalni | | | 1372 | SRI | 0.00 | 1 | -0.15 | 36 | -5.40 | |
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) | | |
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