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Individual Calculations September 2023 |
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| Hoffman, Luc Total change: 25.20 | |   |
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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 |
| 1751 | 1864 | 2.00 | 4 | -0.54 | 40 | -21.60 | |
|  Shangin, Lev | | | 1504 | USA | 0.50 | 1 | -0.40 | 40 | -16.00 | |  De Villa, Jose | | | 1672 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Herbst, Richard | | | 2134 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Hardin, John | | | 1694 | USA | 0.50 | 1 | -0.22 | 40 | -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) | | | | June-July 2023 Marshall Thursday Open | New York, NY | USA | 2023-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1893 | 1.00 | 1 | 0.24 | 40 | 9.60 | |
| | Brendel, John J | | | 1689 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | June 2023 Marshall Premier | New York, NY | USA | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1893 | 3.00 | 5 | 1.42 | 40 | 56.80 | |
| | Wong, Wyatt | | | 1537 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Espinosa, Pedro | c | | 2233 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Bortnyk, Mykola | m | | 2427 | UKR | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Moor, Nathaniel | | | 2180 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Rand, Steven | | | 1982 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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 2023 Marshall Premier | New York, NY | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1902 | 1.50 | 5 | -1.05 | 40 | -42.00 | |
| | Chen, Derek Li | | | 1848 | USA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Chin, Spencer | | | 1780 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Zhu, Linxi | | | 1876 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Marsh, James | | | 1942 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Johnston, Daniel F | | | 2036 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1902 | 2.00 | 2 | 0.56 | 40 | 22.40 | |
| | Patel, Maahir | | | 1608 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Beatty, Robert | | | 1837 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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) | | |
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