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Individual Calculations July 2023 |
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| Hoy, Andrew Total change: -70.60 | |   |
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| 91st Massachusetts Open | Westford, MA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1998 | 3.50 | 6 | -0.79 | 20 | -15.80 | |
|  Jeselson, Andrew | | | 1685 | USA | 0.00 | 1 | -0.86 | 20 | -17.20 | |  Katsman, David | | | 1814 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Sriram, Pragyan | | | 1598 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Feng, Victor | | | 1851 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Kilari, Dattasai | | | 1754 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Barnakov, Yury A | | | 2172 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | * 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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1985 | 3.00 | 7 | -2.74 | 20 | -54.80 | |
| | Barnes, Maxwell H | | | 1681 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Wasserman, Eddie | | | 1749 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Talwalkar, Vedant | | | 1809 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | James, Matthew D | | | 1752 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Diamond, Colin | | | 1744 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Guo, Felix | | | 1654 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Jin, David | | | 1650 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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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