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Individual Calculations July 2023 |
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| Rathasart, Jiroajvanichakorn Total change: -21.20 | |   |
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| 47th Selangor Open Challenger Chess Tournament 2023 | Kuala Lumpur | MAS | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1304 | 1381 | 4.00 | 7 | -0.15 | 40 | -6.00 | |
|  Wong, Qi Han | | | 1094 | MAS | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Raja Badli, Raja Bazil Bot | | | 1618 | MAS | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Mohd Afif, Abdurrahman | | | 1038 | MAS | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Peh, Yi Feng | | | 1188 | MAS | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Marimuthu, Sherralhan | | | 1297 | MAS | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Hoe, Chew Ming Thomas | | | 1654 | SGP | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Ho, Ray Ee | | | 1239 | SGP | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | 21st ASEAN Age Group Chess Championships 2023 - Standard Open U14 | Bangkok | THA | 2023-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1432 | 2.00 | 7 | -0.38 | 40 | -15.20 | |
| | Sidabutar, Uriel Noah Oloan | | | 1896 | INA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Tuguldur, Soninbayar | | | 1648 | MGL | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Vinesh, Venkata Narayanaswamy | | | 1260 | SGP | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Bui, Huu Duc | | | 1534 | VIE | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Tan, Steven | | | 1839 | INA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cabales, John Peter Allen | | | 1388 | PHI | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Pham, Dang Minh | | | 1522 | VIE | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | |
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