|
Individual Calculations September 2023 |
|
|
|
| Powers, Christopher Total change: 20.60 | |   |
|
| WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 1-3 | San Francisco, CA | USA | 2023-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1648 | 2.50 | 3 | 0.54 | 20 | 10.80 | |
|  Arivoli, Sadhana | | | 1381 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Gray, William | | | 1865 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Ballantyne, Andrew | | | 1248 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 4-7 | San Francisco, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1648 | 3.00 | 4 | 0.49 | 20 | 9.80 | |
| | Clemens, Kristian | | | 1768 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Hack, Richard | | | 1425 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Yu, Prescott | | | 1415 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Dutter, Fredrick | | | 1574 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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) | | |
|
