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Individual Calculations June 2023 |
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| Gutnik, Aleksandr Total change: -0.20 | |   |
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| Marshall 2023 March-April Thursday Open Rounds 4-6 | New York, NY | USA | 2023-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1934 | 1.50 | 3 | -0.35 | 20 | -7.00 | |
|  Nkululeko, Nkosi | | | 1788 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Marsh, James | | | 1962 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Berg, George | | | 1796 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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 March-April 2023 Rounds 5-6 | New York, NY | USA | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1914 | 1.00 | 2 | 0.29 | 20 | 5.80 | |
| | Magallanes, Rj | | | 2051 | PHI | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Miller, Rachel | c | wm | 1991 | JAM | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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) | | | | Marshall Monday FIDE 21 Rounds 1-2 | New York, NY | USA | 2023-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1914 | 1.00 | 1 | 0.46 | 20 | 9.20 | |
| | Nkululeko, Nkosi | | | 1882 | USA | 1.00 | 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) | | | | Marshall Monday FIDE 21 Rounds 3-6 | New York, NY | USA | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1914 | 1.50 | 4 | -0.41 | 20 | -8.20 | |
| | Ehsani, Yassamin | | wf | 2037 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Dans, Dwight | | | 1997 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Estrada, Juan Luis Herrero | | | 1699 | PAR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Rabin, Evan Zachary | | | 1971 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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