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Individual Calculations September 2023 |
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| Eckert, Doug D Total change: 25.00 | |   |
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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 |
| 2039 | 2090 | 4.00 | 5 | 1.18 | 20 | 23.60 | |
|  Brock, William H | | | 1811 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Sana, Mariano | | | 2039 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Ng, Matthew K | | | 1757 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Yermolinsky, Alex | g | | 2428 | USA | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Bereolos, Peter | f | | 2158 | 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) | | | | 10th Annual Washington International - Championship | Rockville, MD | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2090 | 1.00 | 4 | 0.07 | 20 | 1.40 | |
| | Song, Edward | m | | 2373 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Sriniaiyer, Sudarshan | f | | 2287 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Lee, Justin | c | | 2271 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Adewumi, Tanitoluwa | f | | 2277 | USA | 0.00 | 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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