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Individual Calculations January 2017 |
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| Aprea, Daniele Total change: -34.20 | |   |
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| 8th CSC London Chess Classic: Weekend Under 2050 | London | ENG | 2016-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 2039 | 3.00 | 5 | -0.57 | 20 | -11.40 | |
|  Watson, Jacob | | | 1841 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Marin Aso, Jose Luis | | | 1882 | ESP | 0.50 | 1 | -0.21 | 20 | -4.20 | | | McDonnell, James J | | | 1891 | IRL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Donati, Michele | | | 1895 | ITA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Aswin, Kumar B S | | | 1880 | IND | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 8th CSC London Chess Classic: Weekday Under 2050 | London | ENG | 2016-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 2039 | 2.00 | 4 | -1.14 | 20 | -22.80 | |
| | Rahman, K Azizur | | | 1846 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Allison, Paul A | | | 1639 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Miller, Dominic | | | 1954 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Grey, Nicholas D | | | 1743 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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) | | |
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