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Individual Calculations May 2019 |
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| Miles, Barry S Total change: -8.20 | |   |
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| CCF Winter Chess Club LP Matches Stage 9 | London | ENG | 2019-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1485 | 0.00 | 1 | -0.38 | 20 | -7.60 | |
|  Pratley, Ian | | | 1571 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | CCF Daytime Chess Club 2018-19 Stage 10 | London | ENG | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1485 | 1.50 | 2 | -0.03 | 20 | -0.60 | |
| | Gold, Harry | | | 1258 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Charles, Gregory M | | | 1299 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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