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Individual Calculations January 2009 |
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| Marais, Coenraad Hendrik Total change: -23.00 | |   |
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| World Youth Chess Championships 2008 - Open 18 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 1965 | 0.50 | 7 | -0.92 | 25 | -23.00 | |
|  Aitbayev, Aslan | | | 2296 | KAZ | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Nguyen, Manh Truong | | | 2187 | VIE | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Ponizil, Cyril | f | | 2251 | CZE | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Valli, Frans | | | 2179 | FIN | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Poetz, Florian | | | 2255 | AUT | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Dang, The Nam | | | 2142 | VIE | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Mitrovic, Boris | | | 2146 | SLO | 0.50 | 1 | 0.24 | 25 | 6.00 | |
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) | | |
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