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Rapid:
Individual Calculations September 2017 |
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| Brett, Alex I Total change: 4.60 | |   |
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| Golders Green FIDE Rapid Chess Amateur Aug 2017 | London | ENG | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1466 | 2.50 | 4 | 0.23 | 20 | 4.60 | |
|  Usharovsky, Tom | | | 1179 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Fleischer, Jeff H | | | 1549 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Astudillo Cuevas, Raziel | | | 1394 | MEX | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Dunne, David C | | | 1509 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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