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Rapid:
Individual Calculations December 2019 |
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| Kerr, Duncan Total change: 6.60 | |   |
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| 23rd Golders Green FIDE Rapid Chess Open | London | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1853 | 2.50 | 5 | 0.35 | 20 | 7.00 | |
|  Brass, Ezra | | | 1670 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Richardson, John R | f | | 2169 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Leslie, Alex | | | 1777 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Levy, David N L | m | | 2043 | SCO | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Bird, Joel | | | 1904 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | BBCA FIDE Rapidplay 2019 Open | London | ENG | 2019-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1853 | 2.00 | 6 | -0.52 | 20 | -10.40 | |
| | Lyell, Mark | f | | 2140 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Chin, F | | | 1939 | MAS | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Green, Michael | | | 1863 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Sheikh, Anum | | wc | 1688 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Eche, Sylvain | | | 2054 | FRA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Young, Daniel J | | | 1835 | ENG | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | Muswell Hill FIDE Rapid Open November 2019 | London | ENG | 2019-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1853 | 2.50 | 5 | 0.50 | 20 | 10.00 | |
| | Macdonald, Julian | | | 1753 | ENG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Stern, Robert | | | 1811 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Quilter, Thomas A | | | 2110 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Lalic, Bogdan | g | | 2253 * | CRO | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Prince, Alan R | | | 1827 | SCO | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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) | | |
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