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Individual Calculations December 2018 |
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| Hellner, Wesley Total change: -9.20 | |   |
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| Marshall FIDE Mondays October - November 2018 | New York, New York | USA | 2018-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1673 | 1.00 | 4 | 0.33 | 20 | 6.60 | |
|  Olsen, Robert | | | 1962 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Sena, Juan | | | 2036 | DOM | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Kraft, Paul | | | 1922 | USA | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Izrayelit, Boris | | | 1895 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | 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 |
| 1745 | 1667 | 0.00 | 2 | -0.79 | 20 | -15.80 | |
| | Raparthi, Ankit | | | 1788 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Zlotchevsky, Nicole | | | 1701 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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