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Individual Calculations January 2023 |
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| George, Berg, Total change: -12.80 | |   |
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| Marshall FIDE Monday October-December 2022 Rounds 1-4 | New York, NY | USA | 2022-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1826 | 1.00 | 3 | 0.02 | 20 | 0.40 | |
|  Rosenberg, Evan S | | | 1972 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Johnston, Daniel F | | | 2030 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | |  Olsen, Robert Donald | | | 1871 | USA | 0.00 | 1 | -0.44 | 20 | -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) | | | | Marshall FIDE Monday October-December 2022 Rounds 5-6 | New York, NY | USA | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1815 | 1.50 | 2 | -0.06 | 20 | -1.20 | |
| | De Villa, Jose | | | 1698 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Zhu, Linxi | | | 1457 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | Marshall Amateur Championship - Jerry Simon Memorial | New York, NY | USA | 2022-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1604 | 1794 | 2.00 | 4 | -0.74 | 20 | -14.80 | |
| | Fausto, Aliana | | | 1318 | USA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Pagan, Jonathan | | | 2046 | USA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Tse, Whitney | | | 1394 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Adelson, Serge | | | 1658 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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) | | | | Marshall FIDE Monday December 2022 - January 2023 Round 1-3 | New York, NY | USA | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1794 | 2.00 | 3 | 0.14 | 20 | 2.80 | |
| | Rosenberg, Evan S | | | 1938 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Wong, Wyatt | | | 1394 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Villa, Jose | | | 1698 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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) | | |
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