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Individual Calculations January 2009 |
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| Eng, Andre-Jerome Total change: 4.35 | |   |
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| 27th National Age Group Chess Championships 2009 - Open | Singapore | SIN | 2008-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2049 | 1.00 | 4 | -1.58 | 15 | -23.70 | |
|  Wong, Zeng-Rong | | | 1699 | SIN | 0.00 | 1 | -0.89 | 15 | -13.35 | |  Chua Xing-Jian, Graham | f | | 2229 | SIN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Neo, Xiuwen Christabel | | | 1717 | SIN | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Aplin, Christer Jon | | | 2012 | SIN | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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) | | | | 5th Singapore Challengers International Open Tournament 2008 | Singapore | SIN | 2008-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2049 | 5.00 | 6 | 1.87 | 15 | 28.05 | |
| | Pereira, Johnharry | | | 1926 | SIN | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Neubronner, Jarred | c | | 2170 | SIN | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Dang, Vu Dung | | | 2149 | VIE | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Lim, De-Dao Linson | | | 1699 | SIN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Tan, Khai Boon | | | 2129 | MAS | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Yeap, Eng Chiam | | | 2061 | MAS | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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) | | |
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