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Individual Calculations December 2023 |
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| Willy, Stephen Total change: 7.60 | |   |
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| 2023 Washington Challenger's Cup | Seattle, WA | USA | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2072 | 3.00 | 4 | 0.62 | 40 | 24.80 | |
|  Kuipers, Miles | | | 1672 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Jammalamadaka, Vihaan | | | 1830 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Porter, Ryan W | f | | 2184 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Sang, Tian | f | | 2210 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | * 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) | | | | Washington Class Championships - Master | Bellevue, WA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2072 | 3.50 | 6 | -0.43 | 40 | -17.20 | |
| | Wang, Ted | | | 1969 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Kona, Vidip | | | 1830 | USA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Sprumont, Oscar | | | 2012 | CAN | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Omori, Michael | | | 1998 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | He, Daniel | | | 2155 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Wan, Bertrand | | | 1672 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | |
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