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Individual Calculations February 2023 |
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| Atako, Chino C Total change: -5.00 | |   |
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| Coulsdon Chess Dicky White - December | London | ENG | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 2038 | 1.50 | 4 | -1.13 | 20 | -22.60 | |
|  Calvert, D Ian | | | 1847 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Rizvi, Nasir | | | 1992 | WLS | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Odunaiya, Victor | | | 1719 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Snape, Ian L | | | 2072 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Hastings Christmas Morning | Hastings | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2032 | 2.50 | 5 | 0.36 | 20 | 7.20 | |
| | Heath, David R | | | 1661 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Oragwu, Chukwunonso | f | | 2233 | NGR | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Brustkern, Juergen | f | | 2182 | GER | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Jukes, Sam | | | 1928 | WLS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Clarke, Brandon G I | m | | 2484 | ENG | 0.00 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | 2022/23 4NCL Division 3 East Rounds 3-4 | Daventry | ENG | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2032 | 1.50 | 2 | 0.44 | 20 | 8.80 | |
| | Graham, William M | | | 1947 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Fraser-Mitchell, Jeremy N | | | 2074 | ENG | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | | | Coulsdon Chess Dicky White - January | London | ENG | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1632 | 2032 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Allan, Brian N | | | 1632 * | SCO | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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