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Individual Calculations September 2009 |
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| Helbig, Paul D Total change: -6.60 | |   |
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| Yeovil Summer Chess Congress | Yeovil | ENG | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2172 | 1.00 | 2 | -0.44 | 15 | -6.60 | |
|  Richardt, Mike | | | 1943 | GER | 0.50 | 1 | -0.29 | 15 | -4.35 | |  Littlejohns, David P | | | 2062 | ENG | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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