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Individual Calculations September 2010 |
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| Van Sonderen, Paul Total change: 2.75 | |   |
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| HSG Open 2010 - group B | Hilversum | NED | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1899 | 2.00 | 2 | 0.77 | 25 | 19.25 | |
|  Hijweegen, Louis | | | 1850 | NED | 1.00 | 1 | 0.43 | 25 | 10.75 | |  Vermeulen, Bart | | | 1781 | NED | 1.00 | 1 | 0.34 | 25 | 8.50 | |
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) | | | NOTE: K factor changed | | 14e Hogeschool Zeeland Toernooi | Vlissingen | NED | 2010-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1899 | 0.50 | 3 | -1.10 | 15 | -16.50 | |
| | Zaragatski, Ilja | m | | 2299 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Herck, Raf | | | 1679 | BEL | 0.00 | 1 | -0.78 | 15 | -11.70 | | | De Jong, Amanda | | | 1715 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | | | * 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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