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Individual Calculations January 2015 |
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| Gray, David Total change: 2.80 | |   |
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| CCF DAYTIME CHESS CLUB - AUTUMN 2014 (December) | COULSDON, LONDON | ENG | 2014-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1102 | 1.00 | 7 | -0.29 | 20 | -5.80 | |
|  Bibby, John | | | 1016 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Miles, Barry S | | | 1502 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gold, Harry | | | 1415 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Meaton, Arthur H | | | 1465 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Vernon, Colin G | | | 1380 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Fraser, Alan R | | | 1474 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Khan, A Qaiyum | | | 1502 * | ENG | 0.00 | 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) | | | | CCF CHESS CLUB DICKY WHITE CLUB TOURNAMENT 2014-15 DECEMBER | COULSDON | ENG | 2014-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1062 | 1114 | 1.00 | 1 | 0.43 | 20 | 8.60 | |
| | Bibby, John | | | 1062 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | |
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) | | |
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