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Individual Calculations September 2023 |
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| Rand, Steven J Total change: -55.00 | |   |
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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 |
| 1742 | 1998 | 2.50 | 4 | -0.55 | 20 | -11.00 | |
|  Wong, Wyatt | | | 1523 | USA | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Berg, George | | | 1777 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Vikas, Hema | | | 1598 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Resika, Nathan A | f | | 2069 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | * 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) | | | | June 2023 Marshall Premier | New York, NY | USA | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 1982 | 1.50 | 4 | -0.12 | 20 | -2.40 | |
| | Johnston, Daniel F | | | 2036 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Samant, Neil | | | 1975 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Williams, Justus | m | | 2396 | USA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Hoffman, Luc | | | 1893 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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) | | | | July 2023 Marshall Premier | New York, NY | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1982 | 2.50 | 5 | -0.05 | 20 | -1.00 | |
| | Field, Rowan | | | 1858 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lenderman, Aleksandr | g | | 2547 | USA | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Hass, Kevin | | | 1934 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Modi, Ethan | | | 1869 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Zhu, Linxi | | | 1876 | USA | 0.50 | 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) | | | | July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1982 | 1.00 | 2 | -0.17 | 20 | -3.40 | |
| | De Villa, Jose | | | 1672 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Herbst, Richard | | | 2122 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1982 | 0.00 | 1 | -0.58 | 20 | -11.60 | |
| | Vogel, Jacob | | | 1923 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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) | | | | August 2023 Marshall Premier | New York, NY | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1991 | 2.00 | 4 | 0.17 | 20 | 3.40 | |
| | Stancil, Kimani | | | 1874 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Liu, Leonardo | | | 1907 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Johnston, Daniel F | | | 2036 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Rohde, Michael | g | | 2340 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1991 | 1.50 | 4 | -1.45 | 20 | -29.00 | |
| | Chong, Hanford | | | 1619 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Baim, Elvin | | | 1638 | AZE | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Guha, Eshan | | | 2101 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Carrasco, Christian Nelio | | | 1741 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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