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Individual Calculations January 2009 |
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| Ong, Way Justin Total change: -11.85 | |   |
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| World Youth Chess Championships 2008 - Open 16 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2044 | 1.50 | 8 | -1.49 | 15 | -22.35 | |
|  Jorczik, Julian | f | | 2382 | GER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Rojas, Alarcon Julian Antonio | | | 2187 | MEX | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Nuri, Kambez | | | 2179 | SUI | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Nguyen, Van Hai | c | | 2267 | VIE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Koohestani, Sh | | | 2146 | IRI | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Lee, Kiyul | | | 1952 | KOR | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Kannemeyer, Werner | | | 1896 | RSA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Lovik, Lasse Ostebo | | | 2167 | NOR | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 1st National Junior Open Championship | Kuala Lumpur | MAS | 2008-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2044 | 3.50 | 5 | 0.70 | 15 | 10.50 | |
| | Tan, Ken Wei | | | 1937 | MAS | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Lee, Kim Han Edward | | | 2054 | MAS | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Khandhar, Kaushal | | | 2005 | MAS | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Amru, Muhd Tariq | | | 2008 | MAS | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Subramaniam, Sumant | | | 2003 | MAS | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | |
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