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Individual Calculations December 2023 |
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| Kozower, Ethan Total change: 99.90 | |   |
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| Marshall Monday FIDE 21 Round 4-6 | New York, NY | USA | 2023-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1943 | 2.00 | 3 | 0.22 | 30 | 6.60 | |
|  Wong, Wyatt | | | 1913 | USA | 0.00 | 1 | -0.54 | 30 | -16.20 | |  Hrop, Stephen | | | 1838 | USA | 1.00 | 1 | 0.36 | 30 | 10.80 | | | Blank, Moshe | | | 1872 | USA | 1.00 | 1 | 0.40 | 30 | 12.00 | |
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 Premier 26 | New York, NY | USA | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1857 | 3.50 | 5 | 1.56 | 30 | 46.80 | |
| | Harriott, Tyrell | | | 1806 | USA | 1.00 | 1 | 0.43 | 30 | 12.90 | | | Putnam, Liam | f | | 2332 | USA | 0.50 | 1 | 0.45 | 30 | 13.50 | | | Bonin, Jay | m | | 2203 | USA | 1.00 | 1 | 0.89 | 30 | 26.70 | | | Nicholson, Ian | | | 1591 | USA | 0.50 | 1 | -0.32 | 30 | -9.60 | | | Mottola, Max | | | 1934 | USA | 0.50 | 1 | 0.11 | 30 | 3.30 | |
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) | | | | 1000GM 2023 NY Qualifier D Fall Invitational 2023 | New York, NY | USA | 2023-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1857 | 3.50 | 7 | 0.63 | 30 | 18.90 | |
| | Gaw, Chloe | | wf | 1863 | USA | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Hebbar, Eshaan | c | | 1936 | USA | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Pagan, Jonathan | | | 2032 | USA | 1.00 | 1 | 0.73 | 30 | 21.90 | | | Umayan, Vincent Ladisla | | | 1988 | PHI | 0.50 | 1 | 0.18 | 30 | 5.40 | | | Stern, Kevin | | | 1770 | USA | 0.00 | 1 | -0.62 | 30 | -18.60 | | | Mansurov, Yusuf | | | 1866 | USA | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Johnston, Daniel Frank | | | 2018 | USA | 0.00 | 1 | -0.29 | 30 | -8.70 | |
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 Monday FIDE 22 Round 1-2 | New York, NY | USA | 2023-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1857 | 1.50 | 2 | 0.51 | 30 | 15.30 | |
| | Hrop, Stephen | | | 1830 | USA | 1.00 | 1 | 0.46 | 30 | 13.80 | | | Knowles, Chase | | | 1892 | USA | 0.50 | 1 | 0.05 | 30 | 1.50 | |
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) | | | | 54th annual National Chess Congress - Premier | Philadelphia, PA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1857 | 2.50 | 6 | 0.41 | 30 | 12.30 | |
| | Ahuja, Rohan | m | | 2355 | IND | 0.50 | 1 | 0.46 | 30 | 13.80 | | | Arnold, Justin N | | | 2006 | USA | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Opaska, Michael | | | 1830 | USA | 0.50 | 1 | -0.04 | 30 | -1.20 | | | Pakh, Alex | | | 1897 | USA | 0.50 | 1 | 0.06 | 30 | 1.80 | | | Kurup, Siddharth Ajay | | | 1902 | USA | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Martin, Sam B | | | 1983 | USA | 0.00 | 1 | -0.33 | 30 | -9.90 | |
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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