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Individual Calculations September 2023 |
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| Rosenberg, Evan S Total change: -57.20 | |   |
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| May-July 2023 Marshall Monday | New York, NY | USA | 2023-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1956 | 1.00 | 3 | -0.81 | 20 | -16.20 | |
|  Vogel, Jacob | | | 1921 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | |  Dans, Dwight | | | 1997 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Hardin, John | | | 1694 | USA | 1.00 | 1 | 0.18 | 20 | 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) | | | | July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1973 | 0.50 | 1 | -0.34 | 20 | -6.80 | |
| | Frumkin, Edward | | | 1686 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1973 | 0.50 | 3 | -1.71 | 20 | -34.20 | |
| | Ghosh, Yohan | | | 1609 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Li, Robert | | | 1737 | CAN | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Solomon, Ciprian | | | 1966 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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