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Individual Calculations January 2023 |
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| Rosenberg, Evan S Total change: -6.80 | |   |
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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 |
| 1893 | 1972 | 2.50 | 4 | 0.07 | 20 | 1.40 | |
|  George, Berg, | | | 1826 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | |  Rudowski, Szymon | | | 1823 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Eisen, Zane | | | 1923 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Mbonu, David | | | 2001 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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) | | | | 53rd annual National Chess Congress - Premier | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1964 | 4.00 | 6 | 0.40 | 20 | 8.00 | |
| | Pang, Brian | | | 1841 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Tang, Andrew | g | | 2539 | USA | 0.50 | 1 | 0.48 | 20 | 9.60 | | | Underwood, Toshinori | | | 1766 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Chen, Kevin | | | 1755 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Wang, Isaac | | | 1867 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Xie, Timothy | | | 1770 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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 FIDE Monday October-December 2022 Rounds 5-6 | New York, NY | USA | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1964 | 0.00 | 2 | -1.44 | 20 | -28.80 | |
| | Gutnik, Aleksandr | | | 1949 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Field, Rowan | | | 1564 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | 106th Edward Lasker Memorial - MCC Championship | New York, NY | USA | 2022-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1938 | 1.00 | 3 | -0.11 | 20 | -2.20 | |
| | Chachere, Theodore | | | 1619 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Jacobson, Aaron | f | | 2311 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Hughes, John Lodger | | | 2253 | IRL | 0.00 | 1 | -0.14 | 20 | -2.80 | |
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 December 2022 - January 2023 Round 1-3 | New York, NY | USA | 2022-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1938 | 2.50 | 3 | 0.74 | 20 | 14.80 | |
| | Berg, George | | | 1794 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Seck, Christopher | | | 1966 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Olsen, Robert | | | 1856 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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