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Rapid:
Individual Calculations October 2017 |
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| Grattage, Matthew Total change: 29.40 | |   |
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| Golders Green FIDE Rapid Chess Open September 2017 | London | ENG | 2017-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2026 | 3.00 | 5 | 1.47 | 20 | 29.40 | |
|  Richardson, John R | f | | 2216 | ENG | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Merriman, John | | | 2238 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Klingher, Dominic | | | 2133 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Rizvi, Nasir | | | 1958 | WLS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Roberson, Peter T | m | | 2381 | ENG | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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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