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Individual Calculations April 2009 |
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| Brookes, Christopher Total change: 25.75 | |   |
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| 3C - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1943 | 0.50 | 1 | 0.18 | 25 | 4.50 | |
|  Sula, Avni | | | 2074 | ALB | 0.50 | 1 | 0.18 | 25 | 4.50 | |
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) | | | | 2A - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 1961 | 1.50 | 3 | 0.85 | 25 | 21.25 | |
|  Tiggelman, Rene | | | 2227 | NED | 0.50 | 1 | 0.32 | 25 | 8.00 | | | De Saegher, Chris | | | 2165 | NED | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Dek, Lennart | | | 2168 | NED | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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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