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Individual Calculations February 2023 |
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| Jiang, Mathew Total change: -8.80 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1540 | 2.50 | 6 | 0.35 | 40 | 14.00 | |
|  Ma, Matthew | | | 1140 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Moshkevich, Elizabeth | | | 1625 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Ackerman, Ryan | | | 1767 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | McQuillin, Danil Alsandair | | | 1799 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Andranigian, Armen | | | 1783 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Agam, Adriel | | | 1725 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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 Charlotte Open - Under 2100 | Charlotte, North Carolina | USA | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1576 | 0.50 | 3 | -0.57 | 40 | -22.80 | |
| | Natha, Nirav | | | 1531 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Chu, Alex | | | 1635 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Leaua, Cristinel-Costel | | | 1953 | ROU | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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