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Individual Calculations September 2009 |
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| Richardt, Mike Total change: 20.25 | |   |
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| Yeovil Summer Chess Congress | Yeovil | ENG | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1943 | 2.00 | 4 | 0.81 | 25 | 20.25 | |
|  Pleasants, Allan J | | | 2088 | ENG | 0.50 | 1 | 0.19 | 25 | 4.75 | |  Bonafont, Philip R | | | 2097 | ENG | 0.50 | 1 | 0.21 | 25 | 5.25 | | | Helbig, Paul D | | | 2172 | ENG | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Waterfield, John W | | | 2030 | ENG | 0.50 | 1 | 0.12 | 25 | 3.00 | |
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) | | |
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