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Individual Calculations January 2023 |
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| Polyakin, Vladimir Total change: -8.20 | |   |
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| 53rd annual National Chess Congress - 1800-2199 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1765 | 3.00 | 5 | -0.41 | 20 | -8.20 | |
|  He, Daniel | | | 1767 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | |  Wang, Lilian | | | 1654 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sergeev, Aleksey Michael | | | 1611 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Ng, Timothy | | | 1673 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Yang, Lefan | | | 1373 | CAN | 0.50 | 1 | -0.42 | 20 | -8.40 | |
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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