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Rapid:
Individual Calculations January 2018 |
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| Helps, David Total change: 11.40 | |   |
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| 9th CSC London Chess Classic: Rapidplay U1600 | London | ENG | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1555 | 3.00 | 3 | 0.57 | 20 | 11.40 | |
|  Usharovsky, Tom | | | 1221 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Stepanyan, Ayk | | | 1240 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Kromka, Joanna | | | 1411 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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