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Individual Calculations February 2023 |
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| Manuchehri, Alireza Total change: -2.60 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1785 | 1.50 | 5 | -0.43 | 20 | -8.60 | |
|  Russell, Christopher | | | 2168 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Chakanyuka, Charles | | | 1948 | ZIM | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Berkley, Stephen W | | | 1612 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Sagyaman, Francis William | | | 2033 | PHI | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Pranava, Ravikumar | | | 1682 | IND | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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) | | | | Ealing FIDE Congress - January U1900 | London | ENG | 2023-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1785 | 3.50 | 5 | 0.30 | 20 | 6.00 | |
| | Slonczuk, Pawel | | | 1502 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Bryant, Harry | | | 1621 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Vyas, Alisha | | | 1634 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Obi, Okwose Marc | | | 1742 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Simon, Marek | | | 1871 | POL | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | |
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