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Individual Calculations April 2009 |
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| Geerts, Alexander Total change: 0.30 | |   |
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| 1A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2089 | 0.00 | 1 | -0.24 | 15 | -3.60 | |
|  Los, Sander | f | | 2288 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 3H - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 2077 | 1.50 | 2 | 0.26 | 15 | 3.90 | |
| | Koelmans, Jan-Willem | | | 2002 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Springelkamp, Henriet | | | 1978 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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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