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Individual Calculations January 2018 |
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| De Coverly, Roger D Total change: 48.20 | |   |
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| 9th CSC London Chess Classic: FIDE Open | London | ENG | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 1921 | 4.50 | 9 | 2.41 | 20 | 48.20 | |
|  Krishna Teja, N | m | | 2321 * | IND | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Quillan, Gary | m | | 2321 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Osborne, Marcus E | | | 2175 | ENG | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Stone, Andrew M | | | 2170 | ENG | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Van Zyl-Rudd, Jack | f | | 2153 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Guelsen, Taylan | | | 2213 | GER | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Islam, Mohammed | | | 1731 | BAN | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Bremner, Adam | c | | 2231 | SCO | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Nunn, Petra | | wf | 2071 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | * 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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