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Individual Calculations September 2019 |
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| Fathallah, Joe Total change: -37.00 | |   |
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| 106th British Championships Major Open | Torquay | ENG | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1952 | 4.00 | 9 | -2.11 | 20 | -42.20 | |
|  Sheikh, Anum | | wc | 1693 | ENG | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Gogia, Armaan | | | 1754 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Eames, Robert S | f | | 2136 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Liu, Jack | | | 1552 * | CHN | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Howell, Oliver W | | | 1797 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Rathbone-Jones, Ifan | | | 1855 | WLS | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Wilson, Matthew R | | | 1817 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Morgan, Jamie | | | 1894 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Gray, Edward | | | 1757 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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) | | | | 106th British Championships AM Open | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1952 | 3.00 | 5 | 0.59 | 20 | 11.80 | |
| | Clarke, Brandon Gi | m | | 2352 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Howells, Stephen W | | | 1686 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Burke, Mitchell R | | | 2013 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Chapman, Matt | | | 1957 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Woolacott, Samuel J | | | 1876 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | * 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) | | | | 55th Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1952 | 1.50 | 5 | -0.33 | 20 | -6.60 | |
| | Hackett, Dave G | | | 2063 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Wager, John D | | | 2014 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Peters, Stephen G | | | 2027 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Price, Gwilym T | | | 2134 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Chakanyuka, Charles | | | 2019 | ZIM | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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