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Individual Calculations February 2019 |
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| Selby, Keith Total change: -9.40 | |   |
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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 |
| 1478 | 1337 | 1.00 | 3 | 0.06 | 20 | 1.20 | |
|  Boztas, Lana | | | 1439 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | |  O`neill, Tom C | | | 1446 | SCO | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Davis, Richard | | | 1550 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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 |
| 1517 | 1337 | 0.00 | 2 | -0.53 | 20 | -10.60 | |
| | Miles, Barry S | | | 1502 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Vaughan, John | | | 1532 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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