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Individual Calculations January 2020 |
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| Cheon, Sehyuk Total change: 148.00 | |   |
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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 |
| 1509 | 1576 | 3.00 | 3 | 1.35 | 40 | 54.00 | |
|  Oh, Julie | | | 1176 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Sloan, Cecil | | | 1661 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | O`shea, Colm | | | 1689 | ENG | 1.00 | 1 | 0.65 | 40 | 26.00 | | | * 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) | | | | 11th CSC London Chess Classic: Weekday Under 2050 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1622 | 3.50 | 5 | 2.27 | 40 | 90.80 | |
| | Stern, Robert C | | | 1864 | ENG | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Neatherway, A Philip | | | 1843 | ENG | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Kender, Robert J | | | 1755 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | De Jager, Leo | | | 1790 | NED | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Cooper, Malcolm H | | | 1857 | ENG | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | Twickenham U18 | London | ENG | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1622 | 0.50 | 1 | 0.08 | 40 | 3.20 | |
| | Hammond, Benjamin | | | 1676 | ENG | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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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