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Rapid:
Individual Calculations January 2015 |
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| Chua, Xue Kai Alfred Total change: 27.00 | |   |
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| 26th National Rapid Chess Championships 2014 - Challengers | Singapore | SGP | 2014-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1595 | 1.00 | 1 | 0.41 | 20 | 8.20 | |
|  Ong, Yi Herng Joel | | | 1530 | SIN | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | | | Let's Play Chess Countdown to 2015 Chess Tournament - Category 1 | Singapore | SGP | 2014-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1595 | 3.00 | 5 | 0.94 | 20 | 18.80 | |
| | Ong, Wah Peng John | | | 1702 | SIN | 0.00 | 1 | -0.35 | 20 | -7.00 | |  Chan, Wei Shyan Timothy | | | 1442 | SIN | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ng, Wee Lok Bryan | | | 1502 | SIN | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Manaog, Stewart | | | 1995 * | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Chang, Cheng Hwee | | | 1747 | SIN | 1.00 | 1 | 0.70 | 20 | 14.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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