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Rapid:
Individual Calculations August 2017 |
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| Grange, David Total change: -25.40 | |   |
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| Golders Green FIDE Rapid Chess Amateur July 2017 | London | ENG | 2017-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1592 | 1.00 | 3 | -1.27 | 20 | -25.40 | |
|  Jorna, Adam | | | 1386 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Perez Fadon, Andres | | | 1379 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Grantham, Thomas | | | 1404 | ENG | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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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