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Individual Calculations January 2024 |
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| Chen, Yufei Total change: -16.00 | |   |
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| 36th Cairnhill Open Chess Championship 2023 | Singapore | SGP | 2023-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1224 | 1291 | 4.00 | 6 | 0.35 | 40 | 14.00 | |
|  Kapoor, Satvik | | | 1786 | SGP | 0.00 | 1 | -0.04 | 40 | -1.60 | |  Poon, Zhi Xin | | | 1069 | SGP | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Wu, Chenyu | | | 1041 | SGP | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Ohng, Wei Zhe Quilliam | | | 1040 | SGP | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Ng, Ching Ann James | | | 1077 | SGP | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Tobin, Paul Nicholas | | | 1332 | SGP | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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) | | | | 2023 Singapore National Age Group Chess Championships Under 14 | Singapore | SGP | 2023-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1154 | 1291 | 0.50 | 1 | -0.18 | 40 | -7.20 | |
| | Yashika, Das | | | 1154 | SGP | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Hong Kong International Open 2023 | Hong Kong | HKG | 2023-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1291 | 0.00 | 5 | -0.57 | 40 | -22.80 | |
| | Chen, Zhiyuan | | | 1632 | CHN | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Liu, Meng | | | 1763 | CHN | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Kannappan, Thanneermalai | | | 1805 | HKG | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Li, Shing Hei | | | 1466 | HKG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ho, In Hei Henry | f | | 1676 | HKG | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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