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Individual Calculations December 2018 |
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| Boxer, Matthew Total change: -4.60 | |   |
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| 2018 Marshall Amateur Championship and Jerry Simon Memorial | New York, New York | USA | 2018-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1819 | 1.50 | 3 | -0.23 | 20 | -4.60 | |
|  Gaspard, Fritz | | | 1979 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Aregbeyen, Aigboje | | | 1690 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Roebuck, Derek | | | 1612 | AUS | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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