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Individual Calculations September 2023 |
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| Gavrysh, Leonid Total change: 21.80 | |   |
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| Washington Open - Open | Redmond, WA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1883 | 3.00 | 5 | 0.81 | 20 | 16.20 | |
|  Ramkumar, Nikhil | | | 1483 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sprumont, Oscar | | | 2046 | CAN | 1.00 | 1 | 0.72 | 20 | 14.40 | |  He, Daniel | | | 2134 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Sang, Tian | f | | 2206 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Thorwe, Pratik | | | 1756 | IND | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | | | 6th Annual Irwin National Tournament of Senior State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1883 | 3.00 | 6 | 0.28 | 20 | 5.60 | |
| | Torres, Javier Antonio | f | | 2149 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Porth, Adam | | | 1565 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gibbins, Wilson K | | | 1981 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Vanmeter, Lester L | f | | 1813 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Radermacher, Timothy | | | 1963 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Hulsey, Mark A | | | 2022 | 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) | | |
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