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Individual Calculations September 2023 |
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| Arkell, Keith C Total change: -20.90 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2392 | 6.00 | 7 | 0.28 | 10 | 2.80 | |
|  Smith, Andrew Philip | f | | 2038 | IRL | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Kett, Tim | f | | 2062 | WLS | 0.00 | 1 | -0.88 | 10 | -8.80 | | | Duncan, Patrick C M | | | 1996 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dargan, Paul A G | c | | 2091 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Lawton, Geoff W | m | | 2359 | ENG | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Graham, David B | | | 2151 | ENG | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Eames, Robert S | f | | 2124 | ENG | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | Psyon Chess IM Norm Tournament | London W6 | ENG | 2023-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2373 | 4.50 | 9 | -1.57 | 10 | -15.70 | |
| | Large, Peter G | m | | 2293 | ENG | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Stoica, Savas Marin | | | 2147 | ENG | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Bezuidenhout, Roland | f | | 2248 | RSA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Durak, Can | f | | 2343 | TUR | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Bremner, Adam | c | | 2176 | SCO | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Balaji, Aaravamudhan | c | | 2334 | ENG | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Pein, Jonathan | c | | 2275 | ENG | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Bansal, Saahil | | | 1973 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Madan, Augustin | m | | 2292 | ROU | 1.00 | 1 | 0.39 | 10 | 3.90 | | | * 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) | | | | Manchester Summer Chess Congress August 2023 | Bolton | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2373 | 4.50 | 5 | 0.15 | 10 | 1.50 | |
| | Gomez, Daniel | | | 1928 | ENG | 0.50 | 1 | -0.44 | 10 | -4.40 | | | Hutchinson, Joel | | | 1875 | ENG | 1.00 | 1 | 0.04 | 10 | 0.40 | | | Arora, Tashika | | | 1973 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gordon, Sean | | | 1894 | SCO | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Ashton, Adam G | f | | 2314 | ENG | 1.00 | 1 | 0.42 | 10 | 4.20 | | | * 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) | | | | Northumbria Masters Open | Newcastle upon Tyne | ENG | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2373 | 5.00 | 8 | -0.95 | 10 | -9.50 | |
| | Saunders, Aron | | | 2113 | ENG | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Hobson, Kenneth | c | | 2166 | ENG | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Modi, Shyam Jagdish | | | 2113 | ENG | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Sowray, Peter J | f | | 2151 | ENG | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Boswell, Jacob Connor | | | 2226 | ENG | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Yoon, Jacob D | | | 2050 | ENG | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Brewer, Callum D | | | 2144 | ENG | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Gormally, Daniel W | g | | 2447 | ENG | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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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