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Individual Calculations February 2019 |
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| Miles, Barry S Total change: 3.00 | |   |
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| CCF Winter Chess Club LP Matches Stage 6 | London | ENG | 2019-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1502 | 2.00 | 3 | -0.06 | 20 | -1.20 | |
|  Howes, David J | | | 1408 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Smyth, Sandy A | | | 1427 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Adamson, Ed | | | 1228 | ENG | 1.00 | 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) | | | | CCF Daytime Chess Club 2018-19 Stage 7 | London | ENG | 2019-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1502 | 2.00 | 3 | 0.21 | 20 | 4.20 | |
| | Vaughan, John | | | 1532 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Selby, Keith | | | 1337 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Khan, A Qaiyum | | | 1420 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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