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Individual Calculations January 2010 |
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| Vachtfeidl, Petr Total change: 4.50 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2019 | 2.00 | 6 | 0.30 | 15 | 4.50 | |
|  Pcola, Pavol | m | | 2386 | SVK | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Rowe, Duane | | | 2194 | JAM | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Regan, Natasha K | | wm | 2174 | ENG | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Warman, Simon M | | | 2153 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Roberts, David L | | | 2119 | ENG | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Barton, R Alan | | | 2119 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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