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Rapid:
Individual Calculations May 2012 |
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| Lim, De Li Derek Total change: 7.20 | |   |
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| 64th National Schools Individual Chess Championships 2012 - Open Under-13 | Singapore | SGP | 2012-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1886 | 2.00 | 2 | 0.36 | 20 | 7.20 | |
|  Tay, Tze Kiat Jonathan | | | 1664 | SIN | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Yick, Benjamin Oliver | | | 1577 | SIN | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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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