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Individual Calculations October 2021 |
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| Demetruk, David E Total change: 0.60 | |   |
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| 2021 Ohio Chess Congress | Akron, Ohio | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1868 | 2.00 | 5 | 0.03 | 20 | 0.60 | |
|  Wright, William B | | | 2037 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Ren, Jesse | | | 1711 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Friedman, David M | | | 1827 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Mucerino, Joseph J | | | 1991 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Zhao, Erick | c | | 2247 | USA | 0.00 | 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) | | |
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