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Individual Calculations May 2019 |
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| Katz, Alexander Total change: -14.80 | |   |
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| 28th Annual Eastern Class Championship | Sturbridge, Massachusetts | USA | 2019-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2444 | 4.00 | 5 | 0.05 | 10 | 0.50 | |
|  Prestia, Paris | | | 2044 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Shanmugasundaram, Rajesh | | | 2143 | IND | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kudrin, Sergey | g | | 2450 | USA | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Paciorkowski, Lev | | | 2210 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Treger, Yefim | | | 2074 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * 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) | | | | 13th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2019-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2444 | 3.00 | 6 | -1.53 | 10 | -15.30 | |
| | Castillo, Josue | | | 2129 | DOM | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Chasin, Nico | f | | 2208 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Vazquez, Guillermo | m | | 2489 | PAR | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Mishra, Abhimanyu | c | | 2246 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Jayaraman, Arvind | f | | 2211 | IND | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Tanenbaum, Zachary | | | 2102 | USA | 0.00 | 1 | -0.88 | 10 | -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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