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Individual Calculations September 2023 |
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| Vanmeter, Lester L Total change: -5.60 | |   |
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| 2023 U.S. Senior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1813 | 1.00 | 3 | -0.11 | 20 | -2.20 | |
|  Abbott, James | | | 1797 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | |  Yermolinsky, Alex | g | | 2428 | USA | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Benedek, Roy | | | 1760 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | | | 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 |
| 1834 | 1813 | 2.00 | 4 | 0.11 | 20 | 2.20 | |
| | Fischer, Robert J | | | 1790 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Gavrysh, Leonid | | | 1883 | UKR | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Elkins, Steve E | | | 1664 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Lilly, Bryan | | | 1999 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 18th annual Indianapolis Open - Major | Indianapolis, IN | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1813 | 2.50 | 5 | -0.28 | 20 | -5.60 | |
| | Adhikari, Sunav | | | 1945 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Oberai, Vikram | | | 1845 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Carr, Jay A | | | 1696 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Pullabhotla, Abhinav | | | 1763 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Zheng, Lerui | | | 1603 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | |
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