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Individual Calculations January 2015 |
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| Williamson, Roger G Total change: 23.80 | |   |
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| London Chess Classic 2014 FIDE Open | London | ENG | 2014-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2160 | 4.00 | 8 | 1.19 | 20 | 23.80 | |
|  Pattni, Kishan | | | 1760 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wells, Peter K | g | | 2468 | ENG | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Roberson, Peter T | m | | 2412 | ENG | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Adair, James R | m | | 2428 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Kiik, Kalle | m | | 2372 | EST | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Praczukowski, Stanislaw | | | 1962 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Paterek, Michal | f | | 2313 | POL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Hebden, Mark L | g | | 2523 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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