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Individual Calculations January 2024 |
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| Chen, Yifei Total change: 68.80 | |   |
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| 36th Cairnhill Open Chess Championship 2023 | Singapore | SGP | 2023-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1235 | 4.00 | 7 | 1.95 | 40 | 78.00 | |
|  Tang, Yiheng | | | 1630 | SGP | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Koh, Zhe Quan Benedict | | | 1509 | SGP | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Galang, Alvin Marallag | | | 1008 | SGP | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Chang, Cheng Hwee | | | 1457 | SGP | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Ho, Ray Ee | | | 1337 | SGP | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Lee, Jing Xi Jonathan | | | 1627 | SGP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Soo, Sheng Yin | | | 1344 | MAS | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | Hong Kong International Open 2023 | Hong Kong | HKG | 2023-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1542 | 1235 | 0.50 | 5 | -0.23 | 40 | -9.20 | |
| | Yee, Hao Loong | | | 1564 | MAS | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Liu, Ho Yin | | | 1468 | HKG | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Shao, Xiayang | | | 1563 | CHN | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Chen, Zhiyuan | | | 1632 | CHN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jin, Zhan Eric | | | 1483 | HKG | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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