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Individual Calculations January 2020 |
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| O`shea, Colm Total change: 39.00 | |   |
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| 11th CSC London Chess Classic: Weekend Under 1825 | London | ENG | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1689 | 2.00 | 4 | 0.09 | 40 | 3.60 | |
|  Kamath, Raghu | | | 1790 | ENG | 1.00 | 1 | 0.64 | 40 | 25.60 | |  Silva Pena, Angel David | | | 1757 | ESP | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Aleksiev, Georgi | | | 1696 | BUL | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Cheon, Sehyuk | c | | 1576 | KOR | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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) | | | NOTE: K factor changed | | 11th CSC London Chess Classic: Weekday Under 2050 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1667 | 2.50 | 4 | 1.77 | 20 | 35.40 | |
| | Rahman, K Azizur | | | 1905 | ENG | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Matei, Ciprian | | | 1917 | ROU | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Rogers, Tim L | | | 1969 | ENG | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Marin Aso, Jose Luis | | | 1917 | ESP | 0.50 | 1 | 0.31 | 20 | 6.20 | |
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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