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Individual Calculations September 2023 |
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| Vogel, Jacob Total change: 11.80 | |   |
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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 |
| 1862 | 1921 | 2.50 | 6 | -0.96 | 20 | -19.20 | |
|  Nizhegorodtsev, Sergey | | | 1747 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Rosenberg, Evan S | | | 1956 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Herbst, Richard | | | 2134 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Mottola, Max | | | 1887 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | De Villa, Jose | | | 1672 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Berg, George | | | 1777 | 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) | | | | July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1923 | 1.50 | 2 | 0.10 | 20 | 2.00 | |
| | Chovanec, Alice | | | 1599 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sazci, Bilgen | | | 1905 | TUR | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 1923 | 2.50 | 3 | 1.45 | 20 | 29.00 | |
| | Rand, Steven | | | 1982 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Meduri, Aakaash | | | 2004 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Herbst, Richard | | | 2122 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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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