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Individual Calculations December 2023 |
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| Martin, Zachary David Total change: 15.60 | |   |
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| 54th annual National Chess Congress - Premier | Philadelphia, PA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 1934 | 3.00 | 6 | 0.78 | 20 | 15.60 | |
|  Pakh, Alex | | | 1897 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | |  Kamesh, Vidyuth | | | 1774 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Sarkar, Justin Joseph | m | | 2289 | USA | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Arnold, Justin N | | | 2006 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Rychkov, Roman | | | 2006 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Bortnyk, Mykola | m | | 2414 | UKR | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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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