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Individual Calculations September 2009 |
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| Koppen, Willem Total change: 22.25 | |   |
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| ATO | BIEL | SUI | 2009-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1747 | 1564 | 1.00 | 2 | 0.48 | 25 | 12.00 | |
|  Heyse, Juergen | | | 1780 | GER | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Thonig, Manfred | | | 1714 | GER | 0.50 | 1 | 0.20 | 25 | 5.00 | |
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) | | | | Jubilee Open Allgemeines Turnier | Zurich | SUI | 2009-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1564 | 1.00 | 2 | 0.41 | 25 | 10.25 | |
| | Cramatte, Jacques | | | 1768 | SUI | 0.00 | 1 | -0.24 | 25 | -6.00 | |  Kalkman, - De Koster Franzke | | | 1674 | NED | 1.00 | 1 | 0.65 | 25 | 16.25 | |
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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