Individual Calculations June 2023 |
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Martin, Zachary David Total change: 9.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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68th Maryland Open - Championships | Rockville, MD | USA | 2023-04-28 |
Rc | Ro | w | n | change | K | K*chg | Game |
1961 | 1969 | 2.50 | 4 | 0.46 | 20 | 9.20 | |
| Samuelson, Andrew | f | | 2019 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | Mucerino, Joseph J, Jr | | | 1890 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | Clancy, Daniel | | | 1963 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | | Diao, Matthew Guo | | | 1973 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | 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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