|
Individual Calculations September 2023 |
|
|
|
| Kosokin, Valeriy Total change: -43.40 | |   |
|
| 6th Annual Irwin National Tournament of Senior State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2186 | 2.00 | 5 | -1.59 | 20 | -31.80 | |
|  Sheaf, Michael A | | | 1786 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Lilly, Bryan | | | 1999 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Rhine, Frederick S | | | 1890 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Nichols, Anthony T | | | 1902 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Fedorowicz, John P | g | | 2388 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | | | 68th Iowa Open Championship | Des Moines, Iowa | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 2186 | 3.00 | 4 | -0.58 | 20 | -11.60 | |
| | Rana, Oliver | | | 1786 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Pregon, Joseph Jeffery | | | 1746 | USA | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Belanoff, Ted | | | 1949 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Baranovskyi, Volodymyr | | | 1779 | UKR | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | |
|
