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Individual Calculations June 2023 |
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| Rand, Steven Total change: -15.80 | |   |
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| 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 |
| 1943 | 1998 | 1.00 | 2 | -0.15 | 20 | -3.00 | |
|  Nkululeko, Nkosi | | | 1882 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Mbonu, David | | | 2004 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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) | | | | 2023 April Marshall Premier | New York, NY | USA | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1998 | 1.50 | 4 | -0.26 | 20 | -5.20 | |
| | Brain, Logan | | | 2087 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kane, William | | | 2004 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Subervi, Jonathan | f | | 2070 | DOM | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Mbonu, David | | | 2004 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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 FIDE Monday April-May 2023 Rounds 1-2 | New York, NY | USA | 2023-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1998 | 0.00 | 1 | -0.56 | 20 | -11.20 | |
| | Rosenberg, Evan S | | | 1956 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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 FIDE Monday April-May 2023 Rounds 3-6 | New York, NY | USA | 2023-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1998 | 2.50 | 4 | 0.18 | 20 | 3.60 | |
| | Feld, Uri | | | 1710 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Miller, Rachel | c | wm | 1991 | JAM | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Brain, Logan J | | | 2087 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Klein, Ethan | | | 1932 | USA | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | |
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