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Individual Calculations September 2019 |
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| Price, Gwilym T Total change: -23.80 | |   |
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| 106th British Championships Major Open | Torquay | ENG | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2138 | 6.00 | 9 | -0.73 | 20 | -14.60 | |
|  Miller, George I | | | 1891 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | |  Camp, Imogen Al | | wc | 1850 | WLS | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Roy, Ali | | | 1871 | SCO | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Brown, Tom | | | 1953 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Barton, R Alan | | | 1941 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Ifalore, Michael | | | 1907 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Rushbrooke, Remy | | | 1963 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Rogacewicz, Mikolaj | | | 1925 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Ethelontis, Alexandros N | | | 2154 | ENG | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | | | 55th Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2134 | 3.00 | 5 | -0.46 | 20 | -9.20 | |
| | Akeya-Price, Robert A | | | 1988 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Hayward, Philip T | | | 1991 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Fathallah, Joe | | | 1952 | WLS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Wager, John D | | | 2014 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Royal, Shreyas | c | | 2010 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | |
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