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Individual Calculations June 2023 |
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| Wells, Peter K Total change: -19.90 | |   |
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| 2022/23 4NCL Division 1 Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2414 | 2355 | 1.00 | 3 | -0.26 | 10 | -2.60 | |
|  Bobras, Piotr | g | | 2473 | POL | 0.50 | 1 | 0.16 | 10 | 1.60 | |  Eggleston, David J | m | | 2360 | ENG | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Greet, Andrew N | m | | 2408 | SCO | 0.00 | 1 | -0.43 | 10 | -4.30 | |
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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2356 | 4.50 | 7 | -1.03 | 10 | -10.30 | |
| | Ireland, David J | | | 1911 | ENG | 0.50 | 1 | -0.44 | 10 | -4.40 | | | Gardiner, Eric D | | | 1956 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Josse, Mark | c | | 2160 | ENG | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Baer, Bruce L | | | 1950 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hebden, Mark L | g | | 2434 | ENG | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Bradbury, Neil H | m | | 2215 | ENG | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Alldritt, Nigel R E | | | 1954 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | English Championships 2023 | Kenilworth | ENG | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2356 | 4.50 | 7 | -0.70 | 10 | -7.00 | |
| | Bharat Kumar, Balahari | | | 1956 * | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Brown, Tom | | | 1959 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Boswell, Jacob Connor | | | 2119 | ENG | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Yoon, Jacob D | | | 2035 | ENG | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Bradbury, Neil H | m | | 2215 | ENG | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Haydon, David L | f | | 2253 | ENG | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Harvey, Marcus R | m | | 2462 | ENG | 0.00 | 1 | -0.36 | 10 | -3.60 | | | * 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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