|
Individual Calculations January 2022 |
|
|
|
| Sperber, Ronald David Total change: -30.80 | |   |
|
| 52nd Annual National Chess Congress - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1622 | 0.00 | 2 | -0.38 | 40 | -15.20 | |
|  Nolan, Gregory Matthew | | | 1998 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Chen, Danni | | | 1784 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | 7th Annual Empire State Open - Under 2000 | Albany, New York | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1624 | 0.50 | 1 | -0.39 | 40 | -15.60 | |
|  Zhu, Florina | | | 1276 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | |
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) | | |
|
