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Individual Calculations January 2024 |
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| Chia, Zhi Kai Aaron Total change: -12.40 | |   |
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| 36th Cairnhill Open Chess Championship 2023 | Singapore | SGP | 2023-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1426 | 5.50 | 8 | 0.71 | 40 | 28.40 | |
|  Ng, Hui Kwang | | | 1020 | SGP | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Yap, Shen Yu | | | 1187 | SGP | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Tay, Mason | | | 1241 | AUS | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Lim, Xiao Xian Tobias | | | 1647 | SGP | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Teo, Jek Kai Aloysius | | | 1383 | SGP | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Gan, Wei En Justin | | | 1420 | SGP | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Tang, Yiheng | | | 1630 | SGP | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Chiang, Cheng En Christopher | | | 1185 | SGP | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 2023 Singapore National Age Group Chess Championships Under 16 and 20 | Singapore | SGP | 2023-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1426 | 1.50 | 4 | -1.02 | 40 | -40.80 | |
| | Zhu, Lehan | | | 1208 | SGP | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Lee, Jing Xi Jonathan | | | 1627 | SGP | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ng, Jaeden Etienne | | | 1290 | SGP | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Tan, Ying Jie | | | 1159 | SGP | 1.00 | 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) | | |
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