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Individual Calculations April 2009 |
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| Retera, Joost Total change: 1.80 | |   |
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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 |
| 2171 | 2311 | 1.50 | 2 | 0.12 | 15 | 1.80 | |
|  Struik, Tjapko | | | 2203 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Pex, Cyriel | | | 2139 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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