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Individual Calculations February 2023 |
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| Sammons, Matthew Willis Total change: 8.80 | |   |
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| 55th annual Liberty Bell Open - U2100 | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1504 | 1.00 | 4 | 0.22 | 40 | 8.80 | |
|  Parsons, Justin R | | | 1800 | BAR | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Wang, Kevin | | | 1631 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Tang, Vincent | | | 1799 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Qian, Bobby | | | 1800 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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