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Individual Calculations September 2010 |
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| Bretscher, Robert Total change: -7.50 | |   |
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| Int. Chess Festival Biel Main Tournament | Biel | SUI | 2010-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1691 | 1.00 | 4 | -0.50 | 15 | -7.50 | |
|  Sommerhalder, Eric | | | 1936 | SUI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Schaerer, Rolf | | | 1875 | SUI | 0.50 | 1 | 0.24 | 15 | 3.60 | |  Suwendo, Poedjo | | | 1844 | SUI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Lincke, Paul | | | 1505 | SUI | 0.50 | 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) | | |
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