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Individual Calculations September 2023 |
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| Su, Ethan Total change: 81.36 | |   |
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| 2023 Canadian Open Chess Championship - Open | Calgary, Alberta | CAN | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1954 | 5.50 | 10 | -0.17 | 36 | -6.12 | |
|  Giles, Patrick | | | 1563 | CAN | 1.00 | 1 | 0.09 | 36 | 3.24 | |  Piasetski, Leon | m | | 2230 | CAN | 0.50 | 1 | 0.33 | 36 | 11.88 | | | Kaufman, Raymond | m | | 2206 | CAN | 0.00 | 1 | -0.19 | 36 | -6.84 | | | Mok, Erwin Jun-Han | | | 1554 * | CAN | 0.50 | 1 | -0.42 | 36 | -15.12 | | | Pottinger, Carl | | | 1865 | CAN | 1.00 | 1 | 0.38 | 36 | 13.68 | | | Kostadinov, George | | | 2076 | CAN | 0.50 | 1 | 0.17 | 36 | 6.12 | | | Keleberda, Tymur | f | | 2302 | CAN | 0.00 | 1 | -0.11 | 36 | -3.96 | | | Ming, Jerry | | | 1669 | CAN | 0.00 | 1 | -0.84 | 36 | -30.24 | | | Usselman, Paul | | | 1732 | CAN | 1.00 | 1 | 0.22 | 36 | 7.92 | | | Yang, Henry | | | 1710 | CAN | 1.00 | 1 | 0.20 | 36 | 7.20 | | | * 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) | | | | SUMMER PRAGUE OPEN 2023 - A - IM open | Praha | CZE | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 1778 | 4.00 | 9 | 2.43 | 36 | 87.48 | |
| | Haase, Pavel | c | | 2124 | CZE | 0.50 | 1 | 0.39 | 36 | 14.04 | | | Jasso, Matej | | | 2143 | CZE | 0.50 | 1 | 0.40 | 36 | 14.40 | | | Pluvinage, Thomas | | | 1971 | FRA | 1.00 | 1 | 0.75 | 36 | 27.00 | | | Shamian, Artur | | | 2078 | UKR | 0.50 | 1 | 0.35 | 36 | 12.60 | | | Kovalskyi, Roman | | | 2064 | UKR | 0.00 | 1 | -0.16 | 36 | -5.76 | | | Koval, Michal | | | 1986 | CZE | 1.00 | 1 | 0.77 | 36 | 27.72 | | | Sadeghi, Hassan Roger | | | 2050 | SUI | 0.50 | 1 | 0.33 | 36 | 11.88 | | | Davidek, Zdenek | | | 2050 | CZE | 0.00 | 1 | -0.17 | 36 | -6.12 | | | Novotny, David | | | 1985 | CZE | 0.00 | 1 | -0.23 | 36 | -8.28 | |
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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