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Individual Calculations December 2018 |
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| Jacobson, Brandon Total change: -20.30 | |   |
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| Marshall Premier November 2018 | New York, New York | USA | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 2414 | 2.00 | 4 | -1.45 | 10 | -14.50 | |
|  Huston, Gus | | | 2105 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | |  Forney, Robert | | | 2014 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Nakada, Akira | c | | 2178 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Zeltsan, Joseph | | | 2092 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Fall 2018 CCCSA GM Norm Invitational | Charlotte, North Carolina | USA | 2018-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2449 | 2414 | 3.50 | 9 | -0.58 | 10 | -5.80 | |
| | Banawa, Joel | m | | 2388 | USA | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Korley, Kassa | m | | 2453 | DEN | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Wang, Kevin | m | | 2442 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Checa, Nicolas | m | | 2495 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Berczes, David | g | | 2480 | HUN | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Arribas Lopez, Angel | g | | 2480 | ESP | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Wang, Tianqi | | | 2354 | USA | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Ringoir, Tanguy | g | | 2527 | BEL | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Katz, Alexander | m | | 2419 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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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