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Individual Calculations September 2023 |
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| Shangin, Lev Total change: -11.60 | |   |
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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 |
| 1864 | 1504 | 0.50 | 1 | 0.40 | 40 | 16.00 | |
|  Hoffman, Luc | | | 1864 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 1756 | 1.00 | 2 | 0.50 | 40 | 20.00 | |
|  Mullodzhanov, Nathaniel | | | 2000 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Sazci, Bilgen | | | 1905 | TUR | 0.00 | 1 | -0.30 | 40 | -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) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1756 | 0.00 | 1 | -0.76 | 40 | -30.40 | |
| | Vikas, Hema | | | 1558 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 10 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1796 | 4.50 | 7 | -0.43 | 40 | -17.20 | |
| | Marquez Rosas, Vicente | | | 1396 * | CHI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chin, Zee | | | 1444 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Xu, Owen | | | 1623 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Yondon, Odbayar | | | 1653 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Jani, Aakash | | | 1452 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Wang, Ted | | | 1913 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Xia, Joshua | | | 1810 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | * 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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